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$Electronic Structure of Substitutional 3D Impurities in $\gamma$

a due to the virtual GQR excitation together with other Ruth small effects, has been observed recently by Lynch et al. 16) . Although we have presented our expresJ a ion for .-- ° R Eq. (23), that correspond to the case of one real stationary phase point, adequate at sub-barrier energies, the generalization to above barrier energies is quite simple. This comes about as a result of the rather slow it-dependence of Vpol(r), which even in cases involving two stationary phase points, i.e. Coulomb rainbow scattering or Fresnel diffraction, can be factored out as a common factor to both contributions. This is particularly valid near the rainbow angle (or critical Fresnel angle). Therefore we may write in general ck-f tz (.12—(e))/ do- cf* f.da, where I corresponds to the average value of the two stationary phase angular momenta. To show the adequacy of the above description we show in figure (9) the calculation of 0 ° Ruth for 16 0+ 184 W at EL =90 MeV done both though optical model calculation that included V pol and the result obtained from Eq. (26) with 1 0 ) calculated with an optical potential Ruth o that does not contain V pol . The agreement is very, good. 128 (26)
a 1,4 . 2 — 1 .0 0.9 0.6 0,4— I M0.1.164w. 90MeV iN / \ / \ '4'4. . I 71'N!,14 1 14. t . \ .■: :}7 fl 1 \ \ ‘ 10 .20 30 40 50 60 70 6,, ldepl \ 4k \ 4 \ 60 90 100 110 Fig. 9 - Dashed curve is igL) (Eq. 26) obtained with. the R optical potential, V=40 MeV , W=9.06 MeV ., ro = 1.313 fm and a= 0.457 fm. Full curve is obtained when V pol is added to the potential above. (From W.Love et al., Phys. Rev. Lett. 39 (1977) 6. The dashed-dotted curve is the result Obtained fran Eq. , (26). REFERENCES 1) See, e.g., M.S. Hussein and K.W. McVpy, "Heavy Ion Optics in the Near/Far Representation", Progress in Particle and Nuclear Physics, in 'press. 2) P. Braun-Munzinger and J. Barrette, Phys. Rep. C87 (1982) 209. 3) D. Dehnhard et al., Phys. Rev. Lett. 40 (1978) 549; erratum, Phys. Rev, Lett. 42 (1979) 1574. 4) W.E. Frahn et al., Nucl. Phys. A369 (1981) 166. 5) W.E. Frahn and M.S. Hussein, Nucl. Phys. A346 (1980) 237. 6) L.F. Canto et al., Phys. Rev. Lett. 51 (1983) 95. 7) D.M. Brink, Phys. Lett. 40B (1972) 37. 8) R. Broglie and A. Winther, Phys. Rep. 4C (1972) 153. 129
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VI REUNIAO DE TRABALHO ITATIAIA - 1
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iNDICE Apresentagio Programa da Reu
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VI Reuniio de Trabalho sabre Fisica
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I - INTRODUCAO REACOES NUCLEARES RE
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-mico e quimico da materia. Estamos
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III - FISICA DA FAIXA DE ENERGIA 0.
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FIGURA I - Interacaes do nucleo 238
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C ÷ CP(Or n)+X A 1 GeV/nucleon I P
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1 1 P (AP A 2/3 + AT 2/3 /3 /3 2 )/
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U C 0 E C 5 10' 1 Na + IstaF 8c 9°
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300 - 200 100 — tve 0 300 — Mu
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3.3 - Aspectos Teoricos Nesta faixa
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HIDRODINAMICA '"A' 1 (Lido (Eq. de
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acima. 0 ponto a que, alem das ince
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de gluons (cf. nucleons no modelo d
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a cascata intranuclear. 0 mitodo de
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300 m 200 ai is E 100 sistema. 0 2
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1) Taxa de produc5o de leptons estr
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nucleons num nticleo nio s5o Iivres
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.36 32 * 28 24 20 Abeam 0 5 10 15 D
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a familia de chuveiros, cuja energi
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dosamente os fenOmenos de producio
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151 (1980). 9. A.B. Migdal, Rev. Mo
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informacees a respeito de mistura d
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simplesmente rearranjando os termos
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de camadas simples os iltimos 4 nuc
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Utilizando-se as eq. (13) a (10) po
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[ - ,ff I- 2- 4. Ir 3- - O. 2. O .
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sidade total de M1 observada para o
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da par espalhamento de eletrons em
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culada 6 maior. das (7) . A tabela
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Alem da intensidade de MI acima men
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%t Cu . 0 — X7:1■, r . M I 21 P
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TABELA III Intensidade de M1 previs
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operador responsivel pela transic5o
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S a 0 so 46 Ca p.p*) E. 160 McV 8 7
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UN I DA DES RELAT I VAS N z. 0.8 0.
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TABELA V Comparagio dos resultados
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do com o valor experimental. A Fig.
Page 79 and 80: se todos os efeitos nucleOnicos est
Page 81 and 82: goes A-buraco n5o consegue explicar
Page 83 and 84: 1 0. N 0.001 1. 0.1 O IU z 0.01 0.0
Page 85 and 86: RC zA .0 sEc Ao DE C HOQ UE Espattl
Page 87 and 88: VII - DECAIMENTO DAS RESSONANCIAS G
Page 89 and 90: observados a devido a reacoes diret
Page 91 and 92: 21. C.D. Goodmann, in High Energy P
Page 93 and 94: VIBRACOES NUCLEARES I. Introducao R
Page 95 and 96: interior nuclear. Na fig. 3 (4) tem
Page 97 and 98: Na fig. 6 mostramos a den sidade de
Page 99 and 100: que nenhum estado apresenta maior c
Page 101 and 102: e e h s5o as energias do estado de
Page 103 and 104: onde (13)Cps` e (14) Xi. QP 614 "Ro
Page 105 and 106: dor nuclear. Assim, a RPA, tal coma
Page 107 and 108: RPA de 1p-lh, prevendo uma ressonan
Page 109 and 110: NUCLEAR STRUCTURE EFFECTS IN HEAVY-
Page 111 and 112: Fig. 1: Cross-sections at 0 = 1800
Page 113 and 114: = .Tt—ro-- , permitting the ident
Page 115 and 116: and T' is given by -r v c."-)7-- (3
Page 117 and 118: C2) 6.14.1" iz where Al le 2 0, er
Page 119 and 120: the data points themselves show tha
Page 121 and 122: to the Bessel function J o (XE"). T
Page 123 and 124: c...... a 8 a 8 I . 1 ... 8 L 8? /
Page 125 and 126: A way of simplifying the analysis o
Page 127 and 128: and r t (t) . is the corresponding
Page 129: AE with t 71F T n (see Refs. 13 and
Page 133 and 134: FISICA "010 NUCLEAR" COM ACELERADOR
Page 135 and 136: cos nucleares que, durante os prime
Page 137 and 138: mento da fIsica moderna no inTcio d
Page 139 and 140: do tipo 2E1 devem variar com Z 6 e
Page 141 and 142: 0 segundo exemplo E o ji mentioned
Page 143 and 144: 5 acio de uma partTcula carregada r
Page 145 and 146: letronico) ou por choque itomo - at
Page 147 and 148: go do piano ou eixo considerado. As
Page 149 and 150: das diversas particulas tais como f
Page 151 and 152: III - Exemplos Neste capitulo apres
Page 153 and 154: massa'. No caso de 1-13 incidente,
Page 155 and 156: um el6tron (H ° , He + , H 4 ) ou
Page 157 and 158: Fig; 6 - Parte superior: Fragio neu
Page 159 and 160: tos ao longo da direc5o de incidinc
Page 161 and 162: Fig. 9 - A relacio R = y(C)/[y(C)+y
Page 163 and 164: importantes. A experiencia E, contu
Page 165 and 166: que,nesse caso, o eixo molecular de
Page 167 and 168: Fig. 12 Secio de choque de ioni/a0o
Page 169 and 170: Agradecimentos E um prazer agradece
Page 171 and 172: ACELERADORES DE ZONES PESADOS Mario
Page 173 and 174: En la parte inferior de is transpar
Page 175 and 176: III. Datoa histOricos 4 ' 5 (transp
Page 177 and 178: Rero Ft‘i A (comk.) ViCe? _ Eva&
Page 179 and 180: UMILA4C °RIC eoftPARACioN bE LOS b
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los voltajes alcanzados a . En este
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?Do 2 100 cr-Actita OtVit+4%) tosim
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BliVeatiti 'MrPAeCUOS sommewom... d
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AtELER4DoRES LIKIEPLES (2:010 per 4
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XII. Ciclotrones no acopiados a otr
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isibbIAS thadiefLerd*Its$ Ss 1110d1
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El auctro a.t evoil licc.6 6.19u 4q
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girt 64444 Se nbtettm; iarerikitura
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cante pars nosotros, ffsicos nuclea
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2. Comiss5o Especial de Instrumenta
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tros materlais de use nuclear (cats
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16. Jo5o Dias de T. Arruda-Neto 17.
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Universidade de Chile 1. .Francisco
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