92Ru01

92Ra01 Pion Absorption in Heavy Nuclei
R. D. Ransome, C. L. Morris, V. R. Cupps, R. W. Fergerson, J. A. McGill, D. L. Watson, J. D. Zumbro, B. G. Ritchie, J. R.
Comfort, J. R. Tinsley, R. A. Loveman, S. Dawson, A. Green, P. C. Gugelot, C. F. Moore, Phys. Rev. C45, R509 (1992).
Nuclear Reactions: 6 Li, 12 C, 27 Al, 58 Ni, 118 Sn, 208 Pb, 238 U(π + ,xp), (π + , d), E=50-200 MeV; measured σ vs missing energy;
deduced pion absorption mechanism. Large solid angle bismuth germanate detector array.

92Ra02 Nuclear Structure and Medium Effects in p(pol) + 13 C(pol) Elastic Scattering
L. Ray, Phys. Rev. C45, 1394 (1992).
Nuclear Reactions: 13 C(polarized p,p), E=497.5 MeV; calculated polarization observables. Polarized target, shell model
configurations. Pauli blocking.

92Ra03 Proton-Induced Nucleon Knockout from Polarized 3 He at 290 MeV
A. Rahav, O. Hausser, C. A. Miller, P. P. J. Delheij, W. P. Alford, T. E. Chupp, K. Ferguson, R. S. Henderson, C. D. P. Levy,
K. P. Jackson, J. Mildenberger, B. Morrissette, M. C. Vetterli, R. M. Woloshyn, Phys. Lett. 275B, 259 (1992).
Nuclear Reactions: 3 He(polarized p,2p), (polarized p,np), E=290 MeV; measured spin correlation parameters, beam-, targetrelated
asymmetries; deduced role of proton spin momentum distribution in 3 He. Polarized target.

92Ra04 Analysis of 8 Li(α,n) 11 B Below the Coulomb Barrier in the Potential Model
T. Rauscher, K. Grun, H. Krauss, H. Oberhummer, E. Kwasniewicz, Phys. Rev. C45, 1996 (1992).
Nuclear Reactions: ICPND 8 Li(α,n), E(cm) ≤ 1 MeV; calculated astrophysical S-factor vs E, reaction rates. DWBA, folding
potentials.

92Ra05 Study of the f 7/2 Strength in 69 Ga from the 70 Ge(d(pol), 3 He) 69 Ga Reaction
G. Rau, P. Grabmayr, P. Woldt, V. Pugach, G. J. Wagner, J. Phys. (London) G18, 525 (1992).
Nuclear Reactions: 70 Ge(polarized d, 3 He), E=52 MeV; measured σ(θ), iT 11 (θ). 69 Ga deduced level energies, spectroscopic factors.

92Ra06 Hyperdeformed States in 36 Ar and 48 Cr in the Cranked Cluster Model
W. D. M. Rae, A. C. Merchant, Phys. Lett. 279B, 207 (1992).
Nuclear Structure: 36 Ar, 48 Cr; calculated hyperdeformed states α-particle constituents, single particle density contours; deduced
possible evidence from reaction data. Cranked cluster model.

92Ra07 Trial Comparison of the Measurement of the Activity of 75 Se
G. Ratel, Nucl. Instrum. Methods Phys. Res. A312, 201 (1992)
Radioactivity: 75 Se(EC); compiled activity data; deduced technique shortcomings.

92Ra08 Techniques for Evaluating Discrepant Data
M. U. Rajput, T. D. Mac Mahon, Nucl. Instrum. Methods Phys. Res. A312, 289 (1992)
Radioactivity: 90 Sr(β - ); 137 Cs(β - ); 154 Eu(β - ), (EC); 252 Cf(SF); compiled, evaluated T 1/2 data; deduced new three-step data evaluation
procedure.

92Ra09 Rotational-Mode Component of the Density of Levels of Nuclei with A ≤ 150
E. M. Rastopchin, M. I. Svirin, G. N. Smirenkin, Yad. Fiz. 55, 310 (1992); Sov. J. Nucl. Phys. 55, 169 (1992).
Nuclear Structure: A ≤ 150; analyzed data; deduced level density determination related problems. Generalized superfluid
model, rotational mode component.

92Ra10 Determination of Fission Fragment Angle by the Methods of Grid Pulse Height and the Time Difference between Grid and Collector
Pulses in a Back-to-Back Gridded Ionisation Chamber
M. N. Rao, S. R. S. Murthy, R. K. Choudhury, Nucl. Instrum. Methods Phys. Res. A313, 227 (1992)
Nuclear Reactions: 235 U(n,F), E=thermal; measured fission fragment σ(θ), mass, kinetic energy correlations. Back-to-back gridded
ionization chamber.

92Ra11 Pion Absorption in Light Nuclei
R. D. Ransome, C. L. Morris, M. K. Jones, B. G. Ritchie, D. L. Watson, J. A. McGill, K. Pujara, D. B. Clayton, I. Brown, P.
Campbell, C. F. Moore, Phys. Rev. C46, 273 (1992).
Nuclear Reactions: 6 , 7 Li, 9 Be, 10 , 11 B, 12 , 13 C(π + ,2p), (π + , 3p), E=50-180 MeV; measured missing mass spectra; deduced σ(E),
pion absorption mechanism.

92Ra12 In-Plane Particle-Residue Correlations in the 40 Ar(1100 MeV) + 24 Mg Reaction
B. Rastegar, P. Wagner, M. Bozin, J. P. Coffin, P. Fintz, G. Guillaume, F. Jundt, K. Krishan, F. Rami, A. Malki, M. Zahar,
Phys. Rev. C46, 366 (1992).
Nuclear Reactions: 24 Mg( 40 Ar,X), E=1100 MeV; measured (light particle)(residue) correlations, (complex particle)(residue) correlations;
deduced information on preequilibrium, evaporation emissions, complex particle emission role. Fermi jet, statistical binary
fission models.

92Ra13 Status of the Evaluated Excitation Function for the Neutron-Dosimetry Reaction 93 Nb(n,n’) 93m Nb
K. Randle, D. B. Gayther, M. F. Murphy, C. A. Uttley, Ann. Nucl. Energy 19, 477 (1992).
Nuclear Reactions: 93 Nb(n,n’) 93m Nb, E ≤ 6 MeV; compiled σ(E) evaluation; deduced status.

92Ra14 Low-Lying Bands as Alpha-Like Dipole Excitations of a Coherent Quadrupole Boson State
A. A. Raduta, I. I. Ursu, N. Lo Iudice, Nuovo Cim. 105A, 663 (1992).
Nuclear Structure: 224 , 226 Ra, 230 , 232 Th, 238 U, 238 Pu; calculated levels, B(λ) ratios. Interacting boson Hamiltonian, coherent
state model.

92Ra15 Nuclear Inelastic-Scattering Cross-Section for Transitions L = 2 and 3 in the Strong-Absorption Model
Md. A. Rahman, H. M. Sen Gupta, Nuovo Cim. 105A, 729 (1992).
Nuclear Reactions: 48 Ti(α,α’), E=28 MeV; analyzed σ(θ). Strong absorption model.

92Ra16 Asymmetries in the Weak Decay of Polarized Hypernuclei
A. Ramos, E. van Meijgaard, C. Bennhold, B. K. Jennings, Nucl. Phys. A544, 703 (1992).
Nuclear Structure: A=5, 11, 12; calculated hypernuclei decay rates, polarization observables. Relativistic model, nonmesonic
weak decay.

92Ra17 Multiple Band Structure and Band Termination in 157 Ho Towards Complete High-Spin Spectroscopy
D. C. Radford, H. R. Andrews, G. C. Ball, D. Horn, D. Ward, F. Banville, S. Flibotte, S. Monaro, S. Pilotte, P. Taras, J. K.
Johansson, D. Tucker, J. C. Waddington, M. A. Riley, G. B. Hagemann, I. Hamamoto, Nucl. Phys. A545, 665 (1992).
Nuclear Reactions: 124 Sn( 37 Cl,4n), E=155, 165 MeV; measured Eγ, γγ-coin, Iγ(θ,φ). 157 Ho deduced levels, Iγ, J,π, rotational
band characteristics, band-mixing interaction strengths.

92Ra18 Unsuitability of 157 Tb for Light-Neutrino Rest-Mass Studies
S. Raman, J. L. Campbell, A. Prindle, R. Gunnink, J. C. Palathingal, Phys. Rev. C46, 2241 (1992).
Radioactivity: 157 Tb(EC); measured I(L X-ray), I(K X-ray); deduced Q(EC), subshell capture probability ratio, source light neutrino
rest mass studies nonsuitability.

92Ra19 Thermal-Neutron Capture by Silicon Isotopes
S. Raman, E. T. Jurney, J. W. Starner, J. E. Lynn, Phys. Rev. C46, 972 (1992).
Nuclear Reactions: 28 , 29 , 30 Si(n,γ), E=thermal; measured Eγ, Iγ following capture; deduced σ. 29 , 30 , 31 Si deduced neutron
separation energies, transition γ-multipolarity. Direct capture interpretation.

92Ra20 Comment on ’ Is the Weak Axial-Vector Current Renormalized in Nuclei ( Question ) ’
J. Rapaport, E. R. Sugarbaker, Phys. Rev. Lett. 69, 2444 (1992).
Nuclear Structure: 37 Ar, 37 K; caluclated Gamow-Teller transition strength; deduced support for (p,n) reaction, β + decay probes
specific proportionality.

92Ra21 Strong-Absorption Model Analysis of Alpha Scattering
Md. A. Rahman, S. C. Paul, H. M. Sen Gupta, M. Rahman, Nuovo Cim. 105A, 851 (1992).
Nuclear Reactions: 20Ne, 24Mg, 27Al, 28Si, 48Ti, 59Co, 60 , 58Ni, Ag, 113Cd, 119Sn(α,α), E=28 MeV; 46Ti, 58Fe, 58 , 62 , 64Ni, 64Zn, 40 58 Ca, Ni(α,α), E 21-85.6 MeV; analyzed σ(θ); deduced interaction radius, surface diffuseness parameters. Strong absorption
model.

92Ra22 ( 6 Li,d) Reaction on sd-, fp- and g-Shell Nuclei in ZR- and FR-DWBA Formalisms
Md. A. Rahman, M. Mecking, U. Strohbusch, Nuovo Cim. 105A, 859 (1992).
Nuclear Reactions: 16 O, 20 Ne, 28 Si, 40 , 42 , 44 , 48 Ca, 90 Zr( 6 Li,d), E=32 MeV; 36 Ar, 52 , 50 Cr, 54 Fe, 58 , 60 , 62 Ni( 6 Li,d), E=28 MeV;
analyzed σ(θ); deduced α-spectroscopic factors. Zero-, finite-range DWBA analysis.

92Ra23 Nucleon Knockout from Polarized 3 He by Polarized Protons at 290 MeV
A. Rahav, O. Hausser, R. M. Woloshyn, T. E. Chupp, P. P. J. Delheij, K. Ferguson, R. Henderson, K. P. Jackson, C. D. P.
Levy, J. Mildenberger, C. A. Miller, B. Morrissette, M. C. Vetterli, Phys. Rev. C46, 1167 (1992).
Nuclear Reactions: 3 He(polarized p,2p), (polarized p,np), E=290 MeV; measured spin observables, σ(θ 1 ,θ 2 ) vs energy transfer;
deduced knockout mechanism evidence. Polarized target. Plane wave impulse approximation.

92Ra24 Description of Collective Spin Excitations in Deformed Nuclei within a Projected Single-Particle Basis
A. A. Raduta, I. I. Ursu, N. Lo Iudice, Phys. Rev. C46, 1782 (1992).
Nuclear Structure: 154 Sm; calculated nucleon single particle energies vs deformation parameter, M1 transition strength distribution.
Schematic RPA, projected single particle basis.

92Ra25 The Shape Eigenstate: A new kind of resonance
W. D. M. Rae, A. C. Merchant, B. Buck, Phys. Rev. Lett. 69, 3709 (1992).
Nuclear Reactions: 12 C( 12 C, 12 C’), E(cm)=33, 35 MeV; analyzed σ(θ); deduced new type of resonance evidence. Coherence
between nearly degenerate resonances.

92Ra26 Activity Concentration of a Solution of 133 Ba: Results of an international comparison
G. Ratel, Nucl. Instrum. Methods Phys. Res. A316, 318 (1992)
Radioactivity: 133 Ba(EC); compiled activity concentration measurements.

92Ra27 Nuclear Magnetic Resonance of Tl in Superconducting TlBa(2-x)La(x)CuO(5-y)
A. K. Rajarajan, A. Sundaresan, R. Kumar, M. Sharon, L. C. Gupta, R. Vijayaraghavan, J. Phys. Condens. Matter 4, 6971
(1992).
Nuclear Moments: +203}, 205 Tl; measured NMR; deduced relaxation rate temperature dependence. Superconducting materials.

92Ra28 1 H NMR in K 2 HgCl 4 .H 2 O: Proton dynamics and evidence for dipole-pair interaction in ’ strong ’ and ’ weak ’ coupling limits
S. S. Ray, P. Raghunathan, Chem. Phys. Lett. 195, 303 (1992).
Nuclear Moments: +1}H; measured NMR; deduced dipole interaction in strong, weak coupling limits.

92Ra29 Alpha Particle Induced Reactions of 209 Bi at 55.7 and 58.6 MeV
S. S. Rattan, N. Chakravarty, A. Ramaswami, R. J. Singh, Radiochim. Acta 57, 7 (1992).
Nuclear Reactions: ICPND 209 Bi(α,n), (α,2n), (α,3n), (α, 4n), (α,5n), (α,6n), E=55.7, 58.6 MeV; measured residuals production
σ.

92Ra30 Integral Cross Section Measurement for Charge Particle Outcome Reactions on Nuclei with 53 ≤ A ≤ 70 at E(p) = 7.8 MeV
L. M. Rafu, E. A. Romanovsky, A. Belal, O. V. Bespalova, B. S. Galakhmatova, N. G. Goryaga, D. Lam, S. I. Fedoseev, Bull.
Rus. Acad. Sci. Phys. 56, 789 (1992).
Nuclear Reactions: ICPND 53 , 54 Cr, 59 Co, 63 , 65 Cu, 58 , 60 , 62 , 64 Ni(p, X), E=7.8 MeV; measured σ(θ); deduced σ, σ(E). Other
data input.

92Ra31 Deuteron-Nucleus Scattering at E(d) = 34 and 80 MeV
Md. A. Rahman, S. K. Sarker, H. M. Sen Gupta, Nuovo Cim. 105A, 1767 (1992).
Nuclear Reactions: ICPND 48 , 49 , 50 Ti, 63 , 65 Cu, 92 , 94 Zr(d,d), E=34 MeV; 120 Sn, 208 Pb(d,d), 68 Zn, 120 Sn(d,d’), E=80 MeV; 12 C,
58 Ni, 68 Zn, 120 Sn(d, d’), E=82 MeV; analyzed σ(θ); deduced model parameters, reaction σ. 12 C, 58 Ni, 68 Zn, 120 Sn level deduced
deformation parameter. Strong absorption model.

92Ra32 Proton Asymmetry in the Weak Decay of Polarized Hypernuclei
A. Ramos, C. Bennhold, E. van Meijgaard, B. K. Jennings, Nucl. Phys. A547, 103c (1992).
Nuclear Structure: A=12; calculated proton polarization following hypernuclear decay. Relativistic model.

92Ra33 57 Fe Mossbauer Isomer Shifts in Random Face-Centered Cubic Fe-Ni Alloys: Experiment versus electronic structure calculations
D. G. Rancourt, J. Y. Ping, M. -Z. Dang, Can. J. Phys. 70, 1241 (1992).
Nuclear Reactions: 57 Fe(γ,γ), E=14.4 keV; measured Mossbauer isomer shifts. Random face-centered cubic Fe-Ni alloys.

92RaZT On Some Regularities of Decay of Doorway States Formed by (γ,n) Reaction in 1f 7/2 Shell Nuclei
B. S. Ratner, Program and Thesis, Proc. 42nd Ann. Conf. Nucl. Spectrosc. Struct. At. Nuclei, Alma-Ata, p. 240 (1992).
Nuclear Reactions: 54 Fe(γ,n), E not given; analyzed resonances, transitions.

92RaZU Mesure des Sections Efficaces Totales et Differentielles et du Pouvoir d’Analyse Pour les Pions de la Reaction (p-bar)p →
ppπ 0
G. Rappenecker, IPNO-T. 92-05 (1992).
Nuclear Reactions: 1 H(polarized p,π 0 ), E ≤ 1 GeV; measured σ(θ), σ, analyzing power for pion production.

92RaZV Assignment of Nilsson Orbitals at Superdeformation - Identical Bands
I. Ragnarsson, Proc. Int. Conf. Nuclear Structure at High Angular Momentum, Ottawa, p. 187 (1992); AECL-10613 (1992)
Nuclear Structure: 146 , 147 , 148 , 149 Gd; analyzed superdeformed bands data; deduced effective alignments direct imaging of Nilsson
orbitals, other features.

92RaZW Pre-Fission GDR Gamma Emission from Excited States of Element Z = 108
T. Ramsoy, J. J. Gaardhoje, G. Sletten, J. C. Bacelar, H. van der Ploeg, M. Pignanelli, A. Bracco, B. Herskind, W. Korten, W.
Krolas, A. Maj, A. Menthe, B. Million, H. Nifenecker, J. Pinston, F. Schussler, KVI 1991 Ann. Rept., p. 17 (1992).
Nuclear Reactions: 232 Th( 40 Ar,X), E=15 MeV/nucleon; measured Eγ, Iγ(θ). Pre-fission GDR γ-emission in 272 108.

92RaZX Pion-Nucleus Elastic Scattering at the Energies above the Δ(1232) Resonance
M. W. Rawool-Sullivan, J. A. Faucett, G. R. Burleson, K. W. Johnson, G. P. Kahrimanis, A. L. Williams, C. Whitley, C. F.
Moore, J. A. McGill, C. L. Morris, D. J. Ernst, K. S. Dhuga, E. Insko, J. M. O’Donnell, H. T. Fortune, Bull. Am. Phys. Soc. 37,
No. 2, 916, E7 9 (1992)
Nuclear Reactions: 208 Pb, 90 Zr, 40 Ca, 12 C(π, π), E=400, 500 MeV; measured σ(θ).

92RaZY Dipole Strength and Isospin Response of the 4 He Continuum Measured via 4 He(p,p’X) at T(p) = 100 MeV
B. A. Raue, L. C. Bland, K. Murphy, J. A. Templon, S. F. Pate, D. S. Carman, G. M. Huber, B. C. Markham, D. W. Miller, D.
Dehnhard, S. M. Sterbenz, B. Brinkmoller, Bull. Am. Phys. Soc. 37, No. 2, 887, B8 5 (1992)
Nuclear Reactions: 4 He(p,pt), E=100 MeV; measured pt(θ). 4 He deduced GDR isospin mixing.

92RaZZ Differences in Compound Nucleus Population of 150 Er and 160 Er
E. Ramakrishnan, M. Thoennessen, J. R. Beene, R. L. Auble, C. Baktash, F. E. Bertrand, M. L. Halbert, D. J. Horen, P. E.
Mueller, D. H. Olive, R. L. Varner, Bull. Am. Phys. Soc. 37, No. 2, 870, A8 2 (1992)
Nuclear Reactions: 96 Zr( 64 Ni,X), 92 Zr( 58 Ni,X), E not given; measured high energy γ-spectra. 150 , 160 Er deduced population differences.

92Re01 Impact Parameter Dependence of High Energy Gamma Ray Production in Heavy-Ion Collisions
T. Reposeur, J. Clayton, W. Benenson, M. Cronqvist, S. Hannuschke, S. Howden, J. Karn, D. Krofcheck, A. Nadasen, C.
Ogilvie, R. Pfaff, J. D. Stevenson, A. Vander Molen, G. D. Westfall, K. Wilson, J. S. Winfield, B. Young, M. F. Mohar, D. J.
Morrissey, Phys. Lett. 276B, 418 (1992).
Nuclear Reactions: 51 V( 40 Ar,X), E=65 MeV/nucleon; measured σ(fragment θ,Eγ), (fragment)γ-coin; deduced impact parameter
dependence. Multi-detector array.

92Re02 7 Li(p,α) 4 He, PIXE and RBS/Channeling Studies of the Lattice Site Location of Impurities in LiNbO 3 and LiNbO 3 Co-Doped with
Magnesium
L. Rebouta, M. F. da Silva, J. C. Soares, J. A. Sanz-Garcia, E. Dieguez, F. Agullo-Lopez, Nucl. Instrum. Methods Phys. Res.
B64, 189 (1992)
Nuclear Reactions: 7 Li(p,α), E not given; measured yield; deduced impurities lattice site location in LiNbO 3 , LiNbO 3 co-doped
with Mg. NRA, RBS techniques supplemented by PIXE results.

92Re03 Final Report on the Search for Neutrinoless Double-β Decay of 76 Ge from the Gotthard Underground Experiment
D. Reusser, M. Treichel, F. Boehm, P. Fisher, K. Gabathuler, H. E. Henrikson, V. Jorgens, L. W. Mitchell, C. Nussbaum, J. -L.
Vuilleumier, Phys. Rev. D45, 2548 (1992).
Radioactivity: 76 Ge(2β); measured T 1/2 lower limit; deduced neutrino Majorana mass upper limit. Gotthard underground laboratory,
high purity natual Ge crystal array.

92Re04 Standardization of 192 Ir
D. F. G. Reher, M. J. Woods, E. De Roost, G. Sibbens, B. Denecke, T. Altzitzoglou, C. Ballaux, E. Funck, Nucl. Instrum.
Methods Phys. Res. A312, 263 (1992)
Radioactivity: 192 Ir(β - )(EC); measured βγ-coin, γ-spectra, X-ray spectra; deduced source standardization, uncertainities. 4π βγcoincidence,
4π CsI(Tl) detector, 4π γ-integral counting.

92Re05 Measurement of the Intrinsic Quadrupole Moments in the νi 13/2 Bands of 135 , 137 Sm
P. H. Regan, R. Wadsworth, S. M. Mullins, J. Nyberg, A. Atac, S. A. Forbes, D. B. Fossan, Y. -J. He, J. R. Hughes, I. Jenkins,
R. Ma, M. S. Metcalfe, P. J. Nolan, E. S. Paul, R. J. Poynter, D. Santonicio, A. Virtanen, N. Xu, J. Phys. (London) G18, 847
(1992).
Nuclear Reactions: 92 Mo( 46 Ti,n2p), E=210 MeV; 104 Pd( 37 Cl, 3np), E=168 MeV; measured γγ-coin, DSA. 137 Sm deduced levels,
J, π, T 1/2 , deformation parameter β 2 , quadrupole moments, band structure. 135 Sm deduced levels, J, π, T 1/2 , deformation parameter
β 2 , quadrupole moments, band structure, superdeformation features.

92Re06 Competition between Binary Reactions and Fusion in Heavy-Ion Collisions at the Coulomb Barrier
W. Reisdorf, J. V. Kratz, R. Bellwied, W. Bruchle, H. Keller, K. Lutzenkirchen, M. Schadel, K. Summerer, G. Wirth, Z. Phys.
A342, 411 (1992).
Nuclear Reactions: 76 Ge( 86 Kr,X), E=3.22 MeV/nucleon; 104 Ru( 86 Kr, X), E=3.84, 3.64 MeV/nucleon; 130 Te( 84 Kr, X), E=3.96
MeV/nucleon; measured residual production σ for X=Zn to Ce isotopes, mass, charge distributions; deduced reseparation channels
main components.

92Re07 How Well Do We Understand the Synthesis of Heavy Elements by Heavy-Ion Induced Fusion ( Question )
W. Reisdorf, M. Schadel, Z. Phys. A343, 47 (1992).
Nuclear Reactions: 238 U( 12 C,xn), E ≥ threshold; calculated σ(E) for x=4, 5, 6, 7, 8; 248 Cm( 15 N, 4n), E 75-88 MeV; 249 Cf( 15 N,4n),
E 77-95 MeV; 249 Cf( 18 O,4n), E 88-100 MeV; 249 Bk( 15 N,4n), E 78-85 MeV; calculated σ(E). 208 Pb( 40 Ar,xn), ( 48 Ca,xn), E not
given; calculated σ(E) for x=1, 2, 4. 249 Cf( 18 O,xn), 208 Pb( 54 Cr, X), E not given; calculated evaporation residue σ vs excitation;
deduced heavy element synthesis features for heavy-ion reactions.

92Re08 Shape-Driving Effects in 193 Tl from the Spectroscopy of Yrast and Near-Yrast States
W. Reviol, M. P. Carpenter, U. Garg, R. V. F. Janssens, I. Ahmad, I. G. Bearden, Ph. Benet, P. J. Daly, M. W. Drigert, P. B.
Fernandez, T. L. Khoo, E. F. Moore, S. Pilotte, D. Ye, Nucl. Phys. A548, 331 (1992).
Nuclear Reactions: 160 Gd( 37 Cl,4n), E=167 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 193 Tl deduced levels, J, π, band structures,
deformation. Enriched targets, Compton-suppressed Ge detectors, 4π BGO array. Total Routhian surface, cranked shell
model calculations.

92Re09 Critical Study of Source Size Extractions fromm p-p Correlations in 20 Ne Reactions at 30 MeV/Nucleon
D. Rebreyend, F. Merchez, B. Noren, E. Andersen, M. Cronqvist, J. C. Gondrand, H. A. Gustafsson, B. Jager, B. Jakobsson,
B. Khelfaoui, S. Kox, A. Kristiansson, G. Lovhoiden, S. Mattsson, J. Mistretta, A. Oskarsson, C. Perrin, M. Rydehell, O.
Skeppstedt, T. F. Thorsteinsen, M. Westenius, L. Westerberg, Phys. Rev. C46, 2387 (1992).
Nuclear Reactions: 12 C, 27 Al, 59 Co, 197 Au( 20 Ne, 2p), E=30 MeV/nucleon; measured two proton correlation function; deduced
emitting system apparent size. Koonin final state interaction model.

92Re10 Standardissimo Les Limitations Theoriques du Modele Standard Quelles Responses y Apporter ( Question )
F. M. Renard, Ann. Phys. (Paris) 17, 301 (1992).

92Re11 RPA in Wavefunction Representation
P. -G. Reinhard, Y. K. Gambhir, Ann. Phys. (Leipzig) 1, 598 (1992).

92Re12 From Sum Rules to RPA: 1. Nuclei
P. -G. Reinhard, Ann. Phys. (Leipzig) 1, 632 (1992).
Nuclear Structure: 40 Ca, 16 O; calculated B(λ). RPA, flexible formulation.

92ReZR High Spin Study and Lifetime Measurements of Neutron Rich Co Isotopes
P. H. Regan, J. W. Arrison, U. J. Huttmeier, D. P. Balamuth, Proc. Int. Conf. Nuclear Structure at High Angular Momentum,
Ottawa, p. 444 (1992); AECL-10613 (1992)
Nuclear Reactions: 18 , 16 O( 48 Ca,2np), E=110 MeV; measured Eγ, Iγ, γ(charged particle)-, γ(neutron)-coin, DSA. 61 , 63 Co
deduced levels, J, π, γ-branching, T 1/2 .

92ReZS Spectroscopy of 96 Ru and 98 Ru: Structures of varied character at N ≥ 52
W. Reviol, U. Garg, A. Aprahamian, B. F. Davis, M. C. Herr, S. Naguleswaran, J. C. Walpe, D. Ye, I. Ahmad, M. P. Carpenter,
R. V. F. Janssens, T. L. Khoo, T. Lauritsen, Y. Liang, Proc. Int. Conf. Nuclear Structure at High Angular Momentum, Ottawa, p.
240 (1992); AECL-10613 (1992)
Nuclear Reactions: 65 Cu( 36 S,xnp), E=135, 142 MeV; measured (particle)γ-coin. 96 , 98 Ru deduced levels, possible J, π, γmultipolarity,
band structure.

92ReZT Half-Lives and P(n) Values of Neutron-Rich Cl-Mn Nuclides
P. L. Reeder, H. S. Miley, W. K. Hensley, R. A. Warner, F. Schreiber, H. L. Seifert, D. J. Vieira, J. M. Wouters, Z. Y. Zhou,
Contrib. 6th Intern. Conf. on Nuclei Far from Stability + 9th Intern. Conf. on Atomic Masses and Fundamental Constants,
Bernkastel-Kues, Germany, PE7 (1992)
Nuclear Reactions: 232 Th(p,X), E=800 MeV; measured (fragment)n(t); deduced evidence for neutron rich mass 50-65 nuclei.

92ReZU Shape Driving Effects in 193 Tl from the Spectroscopy of Yrast and Near-Yrast States
W. Reviol, M. P. Carpenter, U. Garg, R. V. F. Janssens, I. Ahmad, I. G. Bearden, Ph. Benet, P. J. Daly, M. W. Drigert, P. B.
Fernandez, T. L. Khoo, E. F. Moore, S. Pilotte, D. Ye, Contrib. Int. Conf. Nuclear Structure at High Angular Momentum, Ottawa,
p. 24 (1992); AECL-10613 (1992)
Nuclear Reactions: 160 Gd( 37 Cl,4n), E=167 MeV; measured not given. 193 Tl deduced levels, J, π, shape features, band structure.

92ReZV High Spin Study of Neutron Rich Cobalt Isotopes
P. H. Regan, J. W. Arrison, U. Huttmeier, D. P. Balamuth, Contrib. Int. Conf. Nuclear Structure at High Angular Momentum,
Ottawa, p. 12 (1992); AECL-10613 (1992)
Nuclear Reactions: 16 , 18 O( 48 Ca,2np), E not given; measured γ(θ), pγγ-, pnγ-, pγ-coin, Doppler shifts. 61 , 63 Co deduced levels, J,
π, γ-multipolarity.

92ReZW Spectroscopy of 96 Ru and 98 Ru: Structures of varied character at N ≥ 52
W. Reviol, U. Garg, B. F. Davis, A. Aprahamian, S. Naguleswaran, J. C. Walpe, D. Ye, I. Ahmad, M. P. Carpenter, R. V. F.
Janssens, T. L. Khoo, T. Lauritsen, Y. Liang, Contrib. Int. Conf. Nuclear Structure at High Angular Momentum, Ottawa, p. 9
(1992); AECL-10613 (1992)
Nuclear Reactions: 65 Cu( 36 S,xnp), E=135, 142 MeV; measured γγ-coin. 96 , 98 Ru deduced levels, J, π, band structure.

92ReZX Analyzing Powers for Charge Exchange and Other 6 Li + 9 Be Reactions
E. L. Reber, K. W. Kemper, P. L. Kerr, A. J. Mendez, E. G. Myers, B. G. Schmidt, N. M. Clarke, V. Hnizdo, Bull. Am. Phys.
Soc. 37, No. 2, 963, I7 5 (1992)
Nuclear Reactions: 9 Be(polarized 6 Li, 7 Li), (polarized 6 Li, 6 Li), (polarized 6 Li, 6 Li’), (polarized 6 Li, 6 He), E=32 MeV; measured vector,
tensor analyzing power vs θ.

92ReZY In-Beam γ-Ray Spectroscopy of 61 , 63 Co
P. H. Regan, J. W. Arrison, U. J. Huttmeier, D. P. Balamuth, Bull. Am. Phys. Soc. 37, No. 2, 922, E10 10 (1992)
Nuclear Reactions: 16 , 18 O( 48 Ca,2np), E=170 MeV; measured (pnγ)-coin. 61 , 63 Co deduced levels, possible J, π.

92ReZZ Spectroscopy of 96 Ru and 98 Ru: Structures of varied character at N ≥ 52
W. Reviol, U. Garg, A. Aprahamian, B. F. Davis, M. C. Herr, S. Naguleswaran, J. C. Walpe, D. Ye, I. Ahmad, M. P. Carpenter,
R. V. F. Janssens, T. L. Khoo, T. Lauritsen, Y. Liang, Proc. Int. Conf. Nuclear Struct at High Angular Momentum, Ottawa, p. 240
(1992).
Nuclear Reactions: 65 Cu( 36 S,xnp), E=135, 142 MeV; measured γ-spectra, DSA. 96 , 98 Ru deduced levels, possible J, π, γmultipolarity.

92Ri01 Two-Neutron Removal Reactions for Very Neutron-Rich Nuclei
K. Riisager, R. Anne, S. E. Arnell, R. Bimbot, H. Emling, D. Guillemaud-Mueller, P. G. Hansen, L. Johannsen, B. Jonson, A.
Latimier, M. Lewitowicz, S. Mattsson, A. C. Mueller, R. Neugart, G. Nyman, F. Pougheon, A. Richard, A. Richter, M. G. Saint-
Laurent, G. Schrieder, O. Sorlin, K. Wilhelmsen, Nucl. Phys. A540, 365 (1992).
Nuclear Reactions: 9 Be, Ni, 197 Au( 11 Li, 9 Li), ( 14 Be, 12 Be), ( 8 He, 6 He), E=30 MeV/nucleon; measured σ(θ); deduced correlation with
two-neutron separation energies, nn-distribution.

92Ri02 Elastic and Inelastic Scattering of 30 MeV α-Particles on Even Isotopes of Palladium
V. Riech, R. Scherwinski, G. Lindstrom, E. Fretwurst, K. Gridnev, P. P. Zarubin, R. Kolalis, Nucl. Phys. A542, 61 (1992).
Nuclear Reactions: 104 , 106 , 108 , 110Pd(α, α’), E=30.5 MeV; measured σ(θ); deduced optical-model parameters. 104 , 106 , 108 ,
110Pd deduced levels, deformation parameters, isoscalar transition rates. Enriched targets. Coupled-channels calculations, vibrational
model.

92Ri03 Transition Rates and Sequential Decay of Excited Nuclei
J. Richert, P. Wagner, Z. Phys. A341, 171 (1992).
Nuclear Structure: 197 Au; calculated decay rates for p+ 196 Pt to 99 Y+ 98 Ru systems. Two possible sequential decay mechanisms.

92Ri04 Optical Isotope Shift of 172 Hf(T 1/2 = 1.87 a)
J. Rink, B. Gorski, W. Kalber, G. Meisel, H. -J. Mielke, H. Rebel, M. Schubert, Z. Phys. A342, 487 (1992).
Nuclear Moments: +176}, 177 , 178 , 178m , 180 Hf; measured optical isotope shifts.
Radioactivity: 172 Hf(EC); measured optical isotope shifts. 172 , 178 Hf deduced rms charge radii.

92Ri05 Measurement of the Impact Parameter in Intermediate Energy Heavy Ion Collisions
S. Riess, G. Enders, A. Hofmann, W. Kuhn, V. Metag, R. Novotny, W. Mittig, Y. Schutz, A. C. C. Villari, H. Emling, H. Grein,
E. Grosse, W. Henning, R. Holzmann, R. Kulessa, T. Matulewicz, H. J. Wollersheim, Phys. Rev. Lett. 69, 1504 (1992).
Nuclear Reactions: 158 Gd( 40 Ar,X), E=44 MeV/nucleon; measured fragment charge distribution, γ(fragment)-coin, γ-multiplicity;
deduced hard photon multiplicity impact parameter dependence.

92Ri06 Statistical Multistep Direct Calculations for (p,p’) Continuum Spectra up to 200 MeV
W. A. Richter, A. A. Cowley, R. Lindsay, J. J. Lawrie, S. V. Fortsch, J. V. Pilcher, R. Bonetti, P. E. Hodgson, Phys. Rev. C46,
1030 (1992).
Nuclear Reactions: 100 Mo(p,p’), E=100-200 MeV; measured σ(θ, Ep’). 58 Ni, 197 Au(p,p’), E=100-200 MeV; analyzed σ(θ,Ep’).
Statistical multi-step direct theory.

92Ri07 Two-Body Halos
K. Riisager, A. S. Jensen, P. Moller, Nucl. Phys. A548, 393 (1992).
Nuclear Structure: 11 Be, 25 Ne, 17 F, 21 Na; calculated halo particle angular momentum, single particle excitation energies, separation
energies, core radius. Long range repulsive potential.

92Ri08 Hole Spectral Functions and Collective Excitations
G. A. Rijsdijk, K. Allaart, W. H. Dickhoff, Nucl. Phys. A550, 159 (1992).
Nuclear Structure: 48 Ca, 90 Zr; calculated spectral strength distributions, occupation probabilities. Large configuration space,
realistic G-matrix interaction.

92Ri09 Nuclear Structure in Odd-Odd Nucleus 138 Pr
M. A. Rizzutto, E. W. Cybulska, V. R. Vanin, J. R. B. Oliveira, L. G. R. Emediato, R. V. Ribas, W. A. Seale, M. N. Rao, N. H.
Medina, S. Botelho, J. C. Acquadro, C. L. Lima, Z. Phys. A344, 221 (1992).
Nuclear Reactions: 128 Te( 14 N,4nγ), E=55-63 MeV; measured γγ-coin. 138 Pr deduced levels, J, π, configuration, band structure.

92Ri10 Selected Topics in (p-bar) Interactions at Very Low Energy and at Rest
E. L. Rizzini, Yad. Fiz. 55, 3122 (1992); Sov. J. Nucl. Phys. 55, 1743 (1992).
Nuclear Reactions: 1 H(p-bar,p-bar), (p-bar,X), E at 0-200 MeV/c; compiled, reviewed total, annihilation, elastic scattering σ data,
analyses.

92Ri11 Electromagnetic Properties and Shapes of Ground States in Pt-Au-Hg Region
J. Rikovska, R. Wyss, P. B. Semmes, Hyperfine Interactions 75, 59 (1992).
Nuclear Structure: 193 , 191 , 189 , 187 , 183 Pt, 195 , 193 , 191 , 189 , 187 , 185 , 183 Au, 195 , 193 , 191 , 189 , 187 , 185 , 183 Hg; calculated μ, quadrupole
moments, deformation parameters vs mass. Particle-triaxial rotor model.

92Ri12 High Resolution Gamma Ray Spectroscopy with CdTe Detector Systems
M. Richter, P. Siffert, Nucl. Instrum. Methods Phys. Res. A322, 529 (1992)
Radioactivity: 137 Cs(β - ); 57 Co(EC); 60 Co(β - ); measured γ-spectra; deduced implications to CdTe detectors.

92RiZV Tracking Intruder States
L. L. Riedinger, W. F. Mueller, C. -H. Yu, Proc. Int. Conf. Nuclear Structure at High Angular Momentum, Ottawa, p. 339 (1992);
AECL-10613 (1992)
Nuclear Structure: 169 , 171 Yb, 171 , 173 Hf, 173 , 175 , 179 , 181 W, 175 , 177 , 181 , 183 Os, 185 , 181 , 183 , 179 Pt, 185 , 187 , 191 , 193 , 194 Hg, 191 , 193 ,
195 Tl, 178 , 180 , 182 , 184 Ir, 172 Ta, 180 Re; analyzed data; deduced important role of deformation changes.

92RiZW Pion-Proton Partial Total Cross Sections from 60 to 260 MeV
R. A. Ristinen, B. J. Kriss, S. Hoibraten, M. Holcomb, M. D. Kohler, J. J. Kraushaar, S. P. Parry, A. Saunders, W. R. Smythe,
C. L. Morris, R. M. Whitton, J. T. Brack, J. L. Langenbrunner, E. F. Gibson, Contrib. 13th Int. Conf. on Few-Body Problems in
Physics, Adelaide, Australia, January 5-11, 1992, I. R. Afnan, R. T. Cahill, Eds., p. 208 (1992)
Nuclear Reactions: 1 H(π + ,π + ), E=60-260 MeV; measured σ(E).

92RiZX Resonanz-Ionisations-Massenspektrometrie an Plutonium
J. Riegel, F. Albus, F. Ames, R. Deissenberger, G. Herrmann, H. -J. Kluge, S. Kohler, S. Krass, F. Scheerer, N. Trautmann,
F. -J. Urban, H. Wendeler, Univ. Mainz, 1991 Ann. Rept., p. 33 (1992).
Nuclear Moments: +240}, 242 , 244 Pu; measured isotope shifts. Resonance ionization mass spectrometry.

92RiZY Tracking the Effects of Intruder States in Nuclei
L. L. Riedinger, J. Avakian, H. Q. Jin, W. F. Mueller, C. -H. Yu, Contrib. Int. Conf. Nuclear Structure at High Angular Momentum,
Ottawa, p. 113 (1992); AECL-10613 (1992)
Nuclear Structure: N=99-107; analyzed energy splitting; deduced intruder state role.

92RiZZ Advanced methods of Absolute Neutron Flux Determination using Calorimetry
J. M. Richardson, W. M. Snow, G. L. Greene, T. E. Chupp, R. G. H. Robertson, J. F. Wilkerson, Bull. Am. Phys. Soc. 37, No.
2, 888, B8 10 (1992)
Nuclear Reactions: 6 Li(n,α), E not given; measured total energy released; deduced absolute neutron flux. Calorimetric technique.

92Ro01 Backward Angle n-p Differential Cross Section at 96 MeV
T. Ronnqvist, H. Conde, N. Olsson, R. Zorro, J. Blomgren, G. Tibell, O. Jonsson, L. Nilsson, P. -U. Renberg, S. Y. van der
Werf, Phys. Rev. C45, R496 (1992).
Nuclear Reactions: 1 H(n,p), E=96 MeV; measured σ(θ), θ=160 0 -180 0 ; deduced sensitivity to L≥3 phase shifts.

92Ro02 Prediction of First Level Isomeric Half-Lives of Some Even-Even Actinides
Y. Ronen, Phys. Rev. C45, R525 (1992).
Nuclear Structure: 224 Th, 240 U, 246 , 236 Pu, 252 , 242 Cm, 248 , 254 , 256 Cf, 220 Ra; calculated isomeric level T 1/2 .

92Ro03 Influence of Pre-Fission Particle Emission on Fragment Angular Distributions Studied for 208 Pb( 16 O, f)
H. Rossner, D. J. Hinde, J. R. Leigh, J. P. Lestone, J. O. Newton, J. X. Wei, S. Elfstrom, Phys. Rev. C45, 719 (1992).
Nuclear Reactions: 208 Pb( 16 O,F), E=80-130 MeV; measured σ(fragment θ,En); deduced pre-, post-scission multiplicities. 224 Th
deduced fission yield vs decay time, temperature.

92Ro04 Light Particle Emission Near 0 0 in the Reaction 20 Ne + 181 Ta at E/A = 85 MeV
D. A. Roberts, F. D. Becchetti, J. A. Brown, J. W. Janecke, D. Shen, Z. W. Yin, A. Nadasen, Phys. Rev. C45, 726 (1992).
Nuclear Reactions: 181 Ta( 20 Ne,X), E=85 MeV/nucleon; measured σ(fragment θ,E) for X=p, d, t, α and higher Z; deduced projectile
saturation effect, reaction mechanism.

92Ro05 Deformation and α-Decay Anisotropies
N. Rowley, G. D. Jones, M. W. Kermode, J. Phys. (London) G18, 165 (1992).
Radioactivity: 249 Cf, 243 , 241 Am, 231 Pa, 223 Ra(α); analyzed α-decay anisotropy data; deduced α-capture related sign dependence
on decay of deformed nucleus polarized in strong magnetic field.

92Ro06 Correlated Finite Temperature Mean Field Approximations
R. Rossignoli, R. M. Quick, H. G. Miller, Phys. Lett. 277B, 18 (1992).
Nuclear Structure: 20 Ne; calculated specific heat, deformation parameter, entropy vs temperature. Correlated finite temperature
mean field approximations.

92Ro07 LSC Standardization of 54 Mn in Inorganic and Organic Samples by the CIEMAT/NIST Efficiency Tracing Method
L. Rodriguez, J. M. Los Arcos, A. Grau, Nucl. Instrum. Methods Phys. Res. A312, 124 (1992)
Radioactivity: 54 Mn(EC); measured count rate, inorganic, organic samples; deduced source standarization. CIEMAT/NIST LSC
standardization method.

92Ro08 Electron Scattering Multipoles for Symplectic Shell Model Applications
P. Rochford, J. P. Draayer, Ann. Phys. (New York) 214, 341 (1992).
Nuclear Reactions: 20 , 22 Ne, 24 Mg(e,e), (e,e’), E not given; calculated longitudinal, transverse form factors. Charge, current density
multipoles, symplectic shell model.

92Ro09 A Role of the Hyperfine Interaction of the Negative Muon and an Electron Shell in Forming P-Odd Correlations in the Muonic
Ion μ 20 Ne
S. V. Romanov, D. P. Grechukhin, Z. Phys. D22, 667 (1992).
Atomic Physics: esic-Atoms 20 Ne; calculated P-odd correlations in radiative transitions, 2s → 1s decay rates; deduced hyperfine
interaction role.

92Ro10 Microscopic Analysis of Alpha Scattering from 28 Si at 40 and 45 MeV
S. Roy, T. Dey, A. Goswami, S. N. Chintalapudi, S. R. Banerjee, Phys. Rev. C45, 2904 (1992).
Nuclear Reactions: 28 Si(α,α), (α,α’), E=40, 45 MeV; analyzed σ(θ). 28 Si level deduced neutron, proton matrix element ratio.
Microscopic folding model, density dependent interaction.

92Ro11 Solid State Effects on Doppler Broadening of 238 U Resonances in UO 2
J. L. Rowlands, Ann. Nucl. Energy 19, 413 (1992).
Nuclear Structure: 238 U; analyzed resonance Doppler broadening calculation results, data discrepancy.

92Ro12 45 Sc(d,p) 46 Sc Reaction
J. N. Roy, A. R. Majumder, H. M. Sen Gupta, Phys. Rev. C46, 144 (1992).
Nuclear Reactions: 45 Sc(d,p), E=12 MeV; measured σ(θ). 46 Sc deduced levels, L, J, π, spectroscopic factors. Nonlocal finiterange
DWBA analysis.

92Ro13 Proton Scattering by the 24 Mg Nucleus at E(p) ≤ 50 MeV According to the Optical Model with Dispersion Relation
E. A. Romanovsky, T. I. Spasskaya, Bull. Rus. Acad. Sci. Phys. 56, 19 (1992).
Nuclear Reactions: 24 Mg(p,p), (p,p’), E=6-50 MeV; analyzed σ(θ); deduced total σ, model parameters. Optical model, dispersion
relations.

92Ro14 Verification of Model Conceptions of Electron Current Structure in ν(e)e(ν-bar(e)e)-Scattering Experiments: A study of possibility
Yu. I. Romanov, Bull. Rus. Acad. Sci. Phys. 56, 40 (1992).

92Ro15 Evidence for Abnormal M1 Transition in 187 Pt
B. Roussiere, P. Kilcher, F. Le Blanc, J. Oms, J. Sauvage, H. Dautet, and the ISOCELE Collaboration, Nucl. Phys. A548, 227
(1992).
Radioactivity: 187 Au(β + ), (EC) [from Pt(p,xn)Au, on-line mass separation]; measured γγ(θ). 187 Pt levels deduced J, δ(E2/M1),
highly converted transition M1 anomaly. Hyperpure Ge detector.

92Ro16 Self-Consistent Anisotropic Oscillator with Cranked Angular and Vortex Velocities
G. Rosensteel, Phys. Rev. C46, 1818 (1992).
Nuclear Structure: 20 Ne, 166 Er; calculated yrast model parameters for yrast rotational bands. Self-consistent anisotropic oscillator,
cranked angular, vortex velocities.

92Ro17 Comparison of Inclusive Inelastic Scattering of π + and π - from Nuclei at 100 MeV
D. P. Rosenzweig, J. F. Amann, R. L. Boudrie, K. G. R. Doss, D. M. Drake, I. Halpern, M. A. Khandaker, J. Nelson, D. W.
Storm, D. R. Tieger, S. A. Wood, Phys. Rev. C46, 1968 (1992).
Nuclear Reactions: 12 C, 40 Ca, Sn, Pb(π + ,π + ’X), (π - ,π - ’X), E=100 MeV; measured σ(E(π), θ); deduced σ(ratios), relations between
pion absorption and scattering. Semiclassical transport model.

92Ro18 Binary and Ternary Fission of Hot and Rotating Nuclei
G. Royer, J. Mignen, J. Phys. (London) G18, 1781 (1992).
Nuclear Structure: A < 250; 40 Ca, 109 Cd, 197 Au, 240 Pu; calculated barrier heights for binary, ternary symmetric, asymmetric
fission. Hot rotating nuclei, rotational liquid drop model.
Nuclear Reactions: 14 N( 14 N,X), 30 Si( 30 Si,X), 74 Ge( 74 Ge,X), 90 Zr( 90 Zr,X), E not given; calculated fusion fission barrier heights vs
separation distance, temerature. Hot rotating nuclei, rotational liquid drop model.

92Ro19 Fusion Barrier Lowering Induced by Nuclear Deformations
G. Royer, C. Piller, J. Phys. (London) G18, 1805 (1992).
Nuclear Reactions: ICPND 154 Sm( 16 O,X), E=60-110 MeV; calculated fusion σ(E). Two colliding, spherical, ellipsoidal systems.
Liquid drop model, nuclear proximity energy.

92Ro20 On Nuclear Ternary Fission
G. Royer, F. Haddad, J. Mignen, J. Phys. (London) G18, 2015 (1992).
Nuclear Structure: 56 Fe, 149 Eu, 240 Pu; calculated deformation energy temperature dependence, symmetric, asymmetric prolate
ternary fission. Liquid drop model.

92Ro21 Time-Resolved and Time-Integral On-Line Nuclear Orientation Measurements of Neutron-Deficient Hg-Au-Pt-Ir Nuclei
I. Romanski, I. Berkes, D. E. Brown, M. De Jesus, R. Eder, I. S. Grant, E. Hagn, P. Harding, P. Herzog, B. Hinfurtner, B.
Kastelein, H. Postma, J. Prinz, P. Richards, K. Schlosser, N. J. Stone, L. Vanneste, E. Zech, and the NICOLE and ISOLDE
Collaborations, Hyperfine Interactions 75, 457 (1992).
Radioactivity: 182 , 183 , 184 , 186 Hg(β + ), (EC) [from Pb( 3 He,X), E=600, 910 MeV]; measured γ-anisotropy vs temperature. 183 Ir level
deduced μ for two possible J. 183 Pt deduced isomer μ. 184 Au levels deduced g-factors. Time resolved, time integral on-line
nuclear orientation techniques, Fe host.

92Ro22 Excited Level Lifetime Measurements Following Very Low Energy Nuclear Recoils
S. J. Robinson, J. Jolie, H. G. Borner, S. Ulbig, D. Janssen, Hyperfine Interactions 75, 533 (1992).
Compilation: 156 Gd, 36 Cl, 144 Nd, 24 Mg; compiled, reviewed Doppler broadening data.

92Ro23 Formation and Decay of the Triple Nuclear System in Deep Inelastic Heavy Ion Collisions
A. S. Roshchin, V. A. Rubchenya, S. G. Yavshits, Bull. Rus. Acad. Sci. Phys. 56, 775 (1992).
Nuclear Reactions: 133 Cs( 20 Ne,X), E=250 MeV; 109 Ag( 40 Ar, X), E=336 MeV; 63 Cu( 86 Kr,X), E=640 MeV; 232 Th( 13 C,X), E=160
MeV; 197 Au( 40 Ar, X), E=330 MeV; 181 Ta( 52 Cr,X), E=360 MeV; 109 Ag( 124 Sn,X), E=780 MeV; calculated double nuclear system T 1/2 ,
relative α-particle yield vs energy loss; deduced collective, single particle motion time scales role.

92Ro24 Nuclear Reactions Induced by Alpha Particles on Natural Ytterbium
A. S. M. A. Romo, A. A. Sonzogni, D. A. Rodriguez Sierra, S. J. Nassiff, Radiochim. Acta 57, 57 (1992).
Nuclear Reactions: ICPND Yb(α,xn) 175 Hf/ 172 Hf, Yb(α, xnp) 172m Lu/ 172 Lu/ 171m Lu/ 171 Lu, Yb(α,xn2p) 175 Yb/ 169m Yb/ 169 Yb,
E=threshold-84.32 MeV; measured residuals production cumulative σ(E). Stacked foil technique. Equilibrium, preequilibrium
models.

92RoZT
C. Rolfs, Priv. Comm. (1992).
Nuclear Reactions: 27 Al(p,γ), E=0.293 MeV; measured not given. 28 Si dededuced resonance, isospin related features.

92RoZU Transfer Results for Odd-Odd 196 Au and the Extended Supersymmetry
G. Rotbard, G. Berrier, M. Vergnes, S. Fortier, J. Kalifa, J. M. Maison, L. Rosier, J. Vernotte, P. Van Isacker, J. Jolie, IPNO-
DRE 92-31 (1992).
Nuclear Reactions: 197 Au(p,d), E=25 MeV; measured σ(θ). 196 Au deduced levels, L, possible J, π, spectroscopic factors.

92RoZV Alpha Decay
E. Roeckl, GSI-92-69 (1992).
Nuclear Structure: N=90-160; compiled, analyzed α-decay reduced widths, other data.

92RoZW Total Cross Section for pd → pdπ 0 Close to Threshold
H. Rohdjess, H. O. Meyer, P. V. Pancella, S. F. Pate, M. A. Pickar, R. E. Pollock, B. von Przewoski, T. Rinckel, W. Scobel, P.
P. Singh, F. Sperisen, L. Sprute, Contrib. 13th Int. Conf. on Few-Body Problems in Physics, Adelaide, Australia, January 5-11,
1992, I. R. Afnan, R. T. Cahill, Eds., p. 196 (1992)
Nuclear Reactions: 2 H(p,pπ 0 ), E 210 MeV; measured σ(E).

92RoZX Lifetime Measurements Near Band Termination in 50 Cr
J. L. Rodriguez, H. R. Andrews, G. C. Ball, J. A. Cameron, T. Drake, A. Galindo-Uribarri, V. P. Janzen, S. M. Mullins, A. Omar,
L. Persson, D. Prevost, D. C. Radford, B. Singh, J. C. Waddington, D. Ward, G. Zwartz, Contrib. Int. Conf. Nuclear Structure at
High Angular Momentum, Ottawa, p. 15 (1992); AECL-10613 (1992)
Nuclear Reactions: 40 Ca( 12 C,2p), E=40 MeV; measured DSA. 50 Cr levels deduced T 1/2 .

92RoZY Inclusive Photoproduction of π + on Nuclei at 215 MeV
D. P. Rosenzweig, M. Frodyma, I. Halpern, D. W. Storm, K. G. Fissum, J. C. Bergstrom, H. S. Caplan, M. Doss, K. Garrow, E.
L. Hallin, G. V. O’Rielly, D. M. Skopik, J. M. Vogt, Bull. Am. Phys. Soc. 37, No. 2, 915, E7 1 (1992)
Nuclear Reactions: H, C, Ca, Sn, Pb(γ,π + ), E=215 MeV; measured σ(θ(π),E(π)); deduced final state interactions role.

92RoZZ Level Structure in 19 Ne and Resonances in 18 F(p, α) 15 O and 18 F(p,γ) 19 Ne
J. G. Ross, C. P. Browne, J. Gorres, C. Iliadis, K. Scheller, M. Wiescher, Bull. Am. Phys. Soc. 37, No. 2, 869, A7 10 (1992)
Nuclear Reactions: 19 F( 3 He,t), 16 O( 6 Li,t), ( 6 Li, 3 He), E not given; measured not given. 19 Ne, 19 F deduced levels.

92Ru01 Octupole Instability and E1 Transitions in 222 Ra and in the Neighbouring Even Isotopes of Radium
E. Ruchowska, J. Zylicz, C. F. Liang, P. Paris, Ch. Briancon, J. Phys. (London) G18, 131 (1992).
Radioactivity: 220 , 222 Fr(β - ) [from Th( 3 He, X), E=280 MeV]; measured Eγ, Iγ, γγ-coin, β-gating. 220 , 222 Ra deduced levels, octupole
barrier heights, B(λ) branching ratios, electric dipole moments. Comparison with data on other isotopes.

92Ru02 Bethe-Salpeter Calculation of Three-Nucleon Observables with Multirank Separable Interactions
G. Rupp, J. A. Tjon, Phys. Rev. C45, 2133 (1992).
Nuclear Structure: 3 H; calculated binding energy, charge form factor. 3 He; calculated charge form factor. Multi-rank separable
interactions, Bethe-Salpeter equations.

92Ru03 Hard Photon Production in Heavy Ion Collisions
G. Russo, J. Phys. (London) G18, 943 (1992).
Nuclear Reactions: 27 Al( 36 Ar,X), E=85 MeV/nucleon; calculated inclustive σ(θγ,Eγ). Perturbative method, nucleon-nucleon contributions
incoherent superposition, Vlasov-Uehling-Uhlenbeck equation.

92Ru04 Identification of Near-Spherical Multiparticle-Hole States in 89 Tc
D. Rudolph, F. Cristancho, C. J. Gross, A. Jungclaus, K. P. Lieb, H. Grawe, J. Heese, K. -H. Maier, J. Eberth, S. Skoda, Z.
Phys. A342, 121 (1992).
Nuclear Reactions: 58 Ni( 36 Ar,pα), ( 36 Ar,2n3p), E=149 MeV; measured (particle)γγ-coin, DCO ratios. 89 Tc deduced levels, J, π,
configuration. Shell model.

92Ru05 Folding Model Analysis of 58 Ni + 64 Ni Elastic and Inelastic Scattering at E(lab) = 203.8 and 219.2 MeV
J. A. Ruiz, J. L. Ferrero, B. Bilwes, R. Bilwes, Nucl. Phys. A548, 510 (1992).
Nuclear Reactions: 64 Ni( 58 Ni, 58 Ni), ( 58 Ni, 58 Ni’), E=203.8, 219.2 MeV; measured elastic, inelastic σ(E, θ). Folding model,
coupled-channel analyses.

92Ru06 Coulomb Interaction in the Supermultiplet Basis
J. Ruza, T. Guseva, J. Tambergs, V. Vanagas, J. Phys. (London) G18, 1951 (1992).
Nuclear Structure: A=5-39; 171 Yb, 181 Hf, 175 , 177 , 183 , 185 W, 185 , 187 Os; calculated Coulomb energies. Supermultiplet basis.

92Ru07 Choice Problem for the 57 Fe Nucleus Quadrupole Moment Value in Mossbauer Spectroscopy
V. S. Rusakov, D. A. Khramov, Bull. Rus. Acad. Sci. Phys. 56, 1118 (1992).
Nuclear Reactions: 57 Fe(γ,γ), E=14.4 keV; analyzed Mossbauer spectra. 57 Fe deduced quadrupole moment.

92Ru08 Self-Consistent Approaches to the IAR Theory
O. A. Rumyantsev, M. G. Urin, Bull. Rus. Acad. Sci. Phys. 56, 1734 (1992).
Nuclear Structure: 49 Ca, 91 Zr, 139 Ba, 208 , 209 Pb; calculated IAR proton decay width Γp. Various self-consistent approaches.

92RuZX Vectorial Interaction in the Strictly Restricted Dynamics Model
J. Ruza, T. Guseva, J. Tambergs, J. A. Castilho Alcaras, O. Katkevicius, Program and Thesis, Proc. 42nd Ann. Conf. Nucl.
Spectrosc. Struct. At. Nuclei, Alma-Ata, p. 133 (1992).
Nuclear Structure: 29 Si, 29 , 31 P, 31 , 33 S, 33 , 35 Cl, 35 , 37 Ar, 37 , 39 K, 39 Ca; calculated levels. Strictly restricted dynamics model.

92RuZY Broken Reflection Symmetry and Iso-Spin Dependence of Enhanced E1 Decay in 114 Xe
S. L. Rugari, R. H. France III, Z. Zhao, M. Gai, Contrib. 6th Intern. Conf. on Nuclei Far from Stability + 9th Intern. Conf. on
Atomic Masses and Fundamental Constant, Bernkastel-Kues, Germany, PE26 (1992)
Nuclear Reactions: 60 Ni( 58 Ni,2n2p), E=243 MeV; measured γ-spectra, γ(θ). 114 Xe deduced levels, J, π, γ-multipolarity, B(λ)
ratios, E1 transition scaling features. Comparison with other nuclei.

92RuZZ Recoil Neutron Momentum Distributions from the d(e, e’n)p Reaction
P. M. Rutt, K. Beard, J. M. Finn, P. Markowitz, B. Flanders, J. Y. Mougey, P. E. Ulmer, R. Whitney, P. Pella, J. Cameron, B.
Ni, M. Spraker, B. D. Anderson, A. R. Baldwin, T. Eden, D. Keane, R. Madey, D. M. Manley, J. W. Watson, W. M. Zhang, W.
Bertozzi, G. Dodson, K. Dow, M. Farkhondeh, W. Korsch, S. Kowalski, D. Tieger, W. Turchinetz, L. Weinstein, T. Reichelt, C.
C. Chang, J. J. Kelly, T. Payerle, D. Barkhuff, R. Lourie, S. Van Verst, C. Hyde-Wright, W. D. Jiang, Bull. Am. Phys. Soc. 37,
No. 2, 884, B7 3 (1992)
Nuclear Reactions: 2 H(e,e’n), E=444 MeV; measured deuteron recoil momentum distribution; deduced preliminary recoil neutron
momentum distribution.

92Ry01 What Can We Learn from the Internal-Conversion Electron Spectra of Multiply Charged Krypton Ions ( Question )
M. Rysavy, O. Dragoun, Europhys. Lett. 17, 303 (1992).
Nuclear Structure: 83 Kr; calculated ICC for transition; deduced E2 admixture importance in evaluating I(ce).

92Ry02 Meson Exchange Currents and High-Resolution (γ, p) Reactions
J. Ryckebusch, K. Heyde, L. Machenil, D. Ryckbosch, M. Vanderhaeghen, M. Waroquier, Phys. Rev. C46, R829 (1992).
Nuclear Reactions: 12 C(γ,p), E=48-78 MeV; calculated σ(θ). Mean field approach, meson exchange currents.

92Ry03 Spectroscopic Factor of the 6 Li → t+ 3 He Channel in α-2N-Model with Antisymmetrization
G. G. Ryzhikh, Yu. M. Tchuvilsky, Bull. Rus. Acad. Sci. Phys. 56, 24 (1992).
Nuclear Structure: 6 Li; calculated t+ 3 He channel spectroscopic factor. Three-body α+2N model.

92Ry04 Do Proton-Neutron Pairs Behave Like Quasideuterons in the Photoaborption Process ( Question )
J. Ryckebusch, L. Machenil, M. Vanderhaeghen, M. Waroquier, Phys. Lett. 291B, 213 (1992).
Nuclear Reactions: 16 O(γ,np), E=50-300 MeV; calculated σ(E); deduced factorization limitation. Pion exchange, Δ included.

92RyZY Electromagnetic Properties of Six-Nucleon System in Multicluster Dynamic Model with Antisymmetrization
G. G. Ryzhikh, R. A. Eramzhyan, V. I. Kukulin, Yu. M. Tchuvilsky, Contrib. 13th Int. Conf. on Few-Body Problems in Physics,
Adelaide, Australia, January 5-11, 1992, I. R. Afnan, R. T. Cahill, Eds., p. 38 (1992).
Nuclear Structure: 4 He, 6 Li(e,e), E not given; calculated form factors. Multi-cluster dynamic model, antisymmetrization.

92RyZZ Gamow-Teller Beta Decay and the Structure of Nuclei Near the Double Shell-Closure 100 Sn
K. Rykaczewski, Contrib. 6th Intern. Conf. on Nuclei Far from Stability + 9th Intern. Conf. on Atomic Masses and Fundamental
Constant, Bernkastel-Kues, Germany, E5 (1992).
Nuclear Structure: A 100; compiled, reviewed β-decay results.

92RzZY Search for Superdeformation in 144 , 145 Gd
T. Rzaca-Urban, R. M. Lieder, K. Strahle, S. Utzelmann, W. Gast, A. Georgiev, D. Kutchin, G. Marti, H. Schnare, K. Spohr,
P. von Brentano, J. Eberth, M. Eschenauer, S. Freund, E. Ott, J. Theuerkauf, H. Wolters, K. O. Zell, K. H. Maier, H. Grawe,
C. Bach, J. Heese, H. Kluge, M. Schramm, R. Schubarth, Proc. Int. Conf. Nuclear Structure at High Angular Momentum,
Ottawa, p. 194 (1992); AECL-10613 (1992)
Nuclear Reactions: 108 Pd( 40 Ar,4n), E=182 MeV; 110 Pd( 40 Ar, 5n), E=189 MeV; measured γγ-coin, γ-multiplicity. 144 , 145 Gd
deduced superdeformed band features.

92RzZZ Excited Superdeformed Band in 146 Gd
T. Rzaca-Urban, K. Strahle, G. Hebbinghaus, D. Balabanski, W. Gast, R. M. Lieder, H. Schnare, W. Urban, P. von Brentano,
H. Wolters, K. O. Zell, D. Alber, K. H. Maier, E. M. Beck, H. Hubel, W. Schmitz, KFA-IKP Ann. Rept., 1991, p. 92 (1992).
Nuclear Reactions: 110 Pd( 40 Ar,4n), E=175 MeV; measured γγ-coin, sum spectra. 146 Gd deduced levels, J, π, excited superdeformed
band.