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

Referancias: 1 - A. van der Woude em "Nuclear Structure", ed. porK. Abrahams, K. Allaart, A. E. Dieperink, Plenum Press, 1980 2 - A. Bohr, B. Mottelson - Ann. Rev. Nucl. Sci, 23 (1973) 363 3 - P. Ring, , P. Schuck - "The Nuclear Many-Body Problem" - Springer Verlag,'11980 4 - J. Heisenberg - Adv. Nucl. Phys. 12 (1970), Plenum Press 5 - R. de Haro Jr., S. Krewald, J. Speth - Nucl. Phys., A388(1982) 265 6 - G. E. Brown, M. Bosterli - Phys. Rev. Lett: 3 (1959) 472 7 - A. Fetter, S. Walecka - "Quantum Theory of Many-Particle Systerrs" - McGraw-Hill, New York, 1971 8 - S. Krewald, J. Birkholz, A. Faessler, J. Speth - Phys. Rev. Lett. 33 (1974) 1385. 9 - J. Speth,A. Van der Woude - Reo. Progr. Phys. 44 (1981) 719 10 J. S. Dehesa - PhD Thesis - Univ. Bonn, 1977, nao oublicada 11 - J. Sawicki - Phys. Rev. 126 (1962) 2231 12 - J. Wambach, V. K. Mishra, Li Chu-Hsla - Nucl. Phys. A380 (1982) 285 13 - R. de Haro Jr. - KFA-Report,.Juel-1789 (1982) 14 - J. Wambach - Comunicacao privada 15 - J. Speth, E. Werner, W. Wild - Phys. Rep. 33C (1977) 127 106
NUCLEAR STRUCTURE EFFECTS IN HEAVY-ION ELASTIC SCATTERING t Mahir S. Hussein* Instituto de Fisica, Universidade de Sao Paulo C.P. 20.516, Sao Paulo, S.P., Brazil ABSTRACT Heavy-ion elastic scattering is discussed as containing two features; over all optical behavior characterized by several physical parameters such as the size of the system, the strength of the Coulomb interaction, etc., and deviations from this behaviour related directly to some aspects of the under- lying nuclear structure. Two examples of such deviations are discussed in detail. The first is the anomalous back-angle scattering of no-nuclei. The second example is connected with the effect of deformation. I. INTRODUCTION In discOssing heavy-ion elastic scattering one usually emphasizes at length the wave optical behaviour. Such behaviour comes about as a result of several gross properties of the system. Its relatively large size, the strong absorption present (diffraction), strong Coulomb repulsion and nuclear attraction (refraction, rainbow and glory) and a well-defined surface do region (determining the fall-off of an in the shadow region). These features, quite common in most heavy-ion system, constitute t Based on lectures delivered at the VI Reuniao de Trabalho sobre Fisica Nuclear no Brasil, Itatiaia, R.J., September 1983. * Supported in part by the CNPq. 107
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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 .
Page 57 and 58: sidade total de M1 observada para o
Page 59 and 60: da par espalhamento de eletrons em
Page 61 and 62: culada 6 maior. das (7) . A tabela
Page 63 and 64: Alem da intensidade de MI acima men
Page 65 and 66: %t Cu . 0 — X7:1■, r . M I 21 P
Page 67 and 68: TABELA III Intensidade de M1 previs
Page 69 and 70: operador responsivel pela transic5o
Page 71 and 72: S a 0 so 46 Ca p.p*) E. 160 McV 8 7
Page 73 and 74: UN I DA DES RELAT I VAS N z. 0.8 0.
Page 75 and 76: TABELA V Comparagio dos resultados
Page 77 and 78: 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
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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: RPA de 1p-lh, prevendo uma ressonan
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 and 130: AE with t 71F T n (see Refs. 13 and
Page 131 and 132: a 1,4 . 2 — 1 .0 0.9 0.6 0,4— I
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
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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
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tos ao longo da direc5o de incidinc
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Fig. 9 - A relacio R = y(C)/[y(C)+y
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importantes. A experiencia E, contu
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que,nesse caso, o eixo molecular de
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Fig. 12 Secio de choque de ioni/a0o
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Agradecimentos E um prazer agradece
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ACELERADORES DE ZONES PESADOS Mario
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En la parte inferior de is transpar
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III. Datoa histOricos 4 ' 5 (transp
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Rero Ft‘i A (comk.) ViCe? _ Eva&
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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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