THE (HE-3,T(P)OVER-BAR) REACTION - A MEANS TO STUDY THE MICROSCOPIC STRUCTURE OF SPIN-ISOSPIN MODES

被引：0
|
作者：
HARAKEH, MN
AKIMUNE, H
DAITO, I
FUJITA, Y
FUJIWARA, M
GREENFIELD, MB
INOMATA, T
JANECKE, J
KATORI, K
NAKAYAMA, S
SAKAI, H
SAKEMI, Y
TANAKA, M
YOSOI, M
机构：
[1] KYOTO UNIV,DEPT PHYS,KYOTO 606,JAPAN
[2] OSAKA UNIV,NUCL PHYS RES CTR,SUITA 567,OSAKA,JAPAN
[3] OSAKA UNIV,COLL GEN EDUC,OSAKA 560,JAPAN
[4] ICU,DIV NAT SCI,MITAKA,TOKYO 181,JAPAN
[5] UNIV MICHIGAN,DEPT PHYS,ANN ARBOR,MI 48109
[6] OSAKA UNIV,DEPT PHYS,OSAKA 560,JAPAN
[7] UNIV TOKUSHIMA,DEPT PHYS,TOKUSHIMA 770,JAPAN
[8] UNIV TOKYO,DEPT PHYS,TOKYO 113,JAPAN
[9] KOBE TOKIWA JR COLL,NAGATA 653,JAPAN
来源：
NUCLEAR PHYSICS A | 1994年 / 577卷 / 1-2期
关键词：
D O I：
暂无
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：
The microscopic structure of both the Gamow-Teller resonance (GTR) at E(x) = 15.6 MeV and the spin-flip Delta L=1 resonances at higher excitation energies in Bi-208 has been investigated by observing their direct proton decay to the 3(p1/2,) 2f(5/2,) 3(p3/2,) 1i(13/2) and 2f(7/2) neutron-hole states in Pb-207, following their excitation via the (208)pb(He-3,t) reaction at E(3He) = 450 MeV. Decay protons were measured at backward angles in coincidence with tritons detected at very forward angles including theta = 0 degrees. The total widths of the resonances as well as total and partial proton escape widths were determined and compared to theoretical estimates for the GTR. Using the same experimental set-up and conditions proton decay of the spin-flip Delta L=1 resonances in C-12 was also measured.
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页码：C57 / C65
页数：9
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