Near-threshold resonances in 11C and the 10B(p, α)7Be aneutronic reaction

被引：5
|
作者：
Okolowicz, J. [1 ]
Ploszajczak, M. [2 ]
Nazarewicz, W. [3 ,4 ]
机构：
[1] Polish Acad Sci, Inst Nucl Phys, Radzikowskiego 152, PL-31342 Krakow, Poland
[2] CEA DSM, CNRS IN2P3, Grand Accelerateur Natl Ions Lourds GANIL, BP 55027, F-14076 Caen, France
[3] Michigan State Univ, Facil Rare Isotope Beams, E Lansing, MI 48824 USA
[4] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
来源：
PHYSICAL REVIEW C | 2023年 / 107卷 / 02期
关键词：
ORIGIN; MODEL;
D O I：
10.1103/PhysRevC.107.L021305
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 nucleus 11C plays an important role in the boron-proton fusion reactor environment as a catalyzer of the 10B(p, alpha)7Be reaction which, by producing a long-lived isotope of 7Be, poisons the aneutronic fusion process 11B(p, 2 alpha)4He. The low-energy cross section of 10B(p, alpha)7Be depends on the near-threshold states 7/2+1 , 5/2+2 , 5/2+3 in 11C whose properties are primarily known from the indirect measurements. In this work, we present the theoretical analysis of these resonances and their collectivization via the coupling to the proton emission threshold. By using the shell model embedded in the continuum, we show that a significant collectivization takes place that enhances the spectroscopic factor of proton capture confirming the phenomenological value of Wiescher et al. [Phys. Rev. C 95, 044617 (2017)].
引用
收藏
页数：5
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