THE (HE-3,T) REACTION AT INTERMEDIATE ENERGIES - SPIN ISOSPIN MULTIPOLE TRANSITIONS

被引：31

作者：

BROCKSTEDT, A

BERGQUIST, I

CARLEN, L

EKSTROM, LP

JAKOBSSON, B

ELLEGAARD, C

GAARDE, C

LARSEN, JS

GOODMAN, C

BEDJIDIAN, M

CONTARDO, D

GROSSIORD, JY

GUICHARD, A

PIZZI, JR

BACHELIER, D

BOYARD, JL

HENNINO, T

JOURDAIN, JC

ROYSTEPHAN, M

BOIVIN, M

HASEGAWA, T

RADVANYI, P

机构：

[1] UNIV COPENHAGEN,NIELS BOHR INST,DK-2100 COPENHAGEN,DENMARK

[2] INDIANA UNIV,BLOOMINGTON,IN 47405

[3] UNIV LYON,INST PHYS NUCL,F-69622 VILLEURBANNE,FRANCE

[4] INST PHYS NUCL,F-91406 ORSAY,FRANCE

[5] LAB NATL SATURNE,F-91191 GIF SUR YVETTE,FRANCE

来源：

NUCLEAR PHYSICS A | 1991年 / 530卷 / 3-4期

关键词：

MG-26; CA-40; CA-48; FE-54; ZR-90; PB-208; (HE-3; T); E; 0.9-2; GEV; MEASURED SIGMA(THETA); THETA=0.25-DEGREES-4.25-DEGREES; AL-26; SC-40; SC48; CO-54; NB-90; BI-208 DEDUCED SPIN MULTIPOLE; GAMOW-TELLER T; DISTRIBUTIONS; DWIA CALCULATIONS; QUASI-ELASTIC PEAK; DISTORTION EFFECTS;

D O I：

10.1016/0375-9474(91)90770-7

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Data for the (He-3,t) reaction at 900 MeV and 2 GeV on the targets Mg-26, Ca-40, 48Ca, Fe-54, Zr-90 and Pb-208 are presented. A multipole decomposition for the data at 900 MeV has been made and the different distributions have been analysed. From the L = 0 cross section the Gamow-Teller strength distributions are extracted and compared with (p,n) data. The L = 1 and 2 distributions are analysed in a schematic model which describes the general systematics fairly well. The spectra at 2 GeV and THETA = 4-degrees show for all targets a well-developed quasi-elastic peak. The A-dependence of the cross section is analysed in a simple model.

引用

页码：571 / 604

页数：34

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