CROSS-SECTION FOR THE PRIMORDIAL REACTION LI-8(P,N)BE-8(G.S.) AT EC.M.=1.5-MEV

被引:6
作者
CAUSSYN, DD
FLETCHER, NR
KEMPER, KW
TOWERS, EE
KOLATA, JJ
LAMKIN, K
SMITH, RJ
BECCHETTI, FD
BROWN, JA
JANECKE, JW
ROBERTS, DA
GAY, DL
机构
[1] FLORIDA STATE UNIV, DEPT PHYS, TALLAHASSEE, FL 32306 USA
[2] UNIV NOTRE DAME, DEPT PHYS, NOTRE DAME, IN 46556 USA
[3] UNIV MICHIGAN, DEPT PHYS, ANN ARBOR, MI 48109 USA
[4] UNIV N FLORIDA, JACKSONVILLE, FL 32216 USA
来源
PHYSICAL REVIEW C | 1993年 / 47卷 / 01期
关键词
D O I
10.1103/PhysRevC.47.387
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 differential cross section for the primordial reaction Li-8(p, n)Be-8(g.s.) has been determined at E(c.m.) = 1.5 MeV in the c.m. angular range 38-degrees to 90-degrees by use of the radioactive nuclear beam facility at the University of Notre Dame which utilizes a superconducting solenoid lens system designed at the University of Michigan, and a Be-8 detection technique developed at the Florida State University. A Li-8 beam of approximately 10(7) pps is used to infer a total cross section of 21+/-2 mb, with a 20% absolute cross section uncertainty. This total cross section is a factor of two smaller than a conventional Hauser-Feshbach calculation and it is also much smaller than that of some other Li-8 burning reactions.
引用
收藏
页码:387 / 391
页数:5
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