Binding-energy independence of reduced spectroscopic strengths derived from (p, 2p) and (p, pn) reactions with nitrogen and oxygen isotopes

被引：43

作者：

Gomez-Ramos, M. ^{[1
]}

Moro, A. M. ^{[1
]}

机构：

[1] Univ Seville, Fac Fis, Dept Fis Atom Mol & Nucl, Apartado 1065, E-41080 Seville, Spain

来源：

PHYSICS LETTERS B | 2018年 / 785卷

关键词：

(p; 2p); and; p; pn); Transfer to continuum; Quenching" factors; PROTON-SCATTERING; CHANNELS CALCULATIONS;

D O I：

10.1016/j.physletb.2018.08.058

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A campaign of intermediate energy (300-450 MeV/u) proton-induced nucleon knockout measurements in inverse kinematics has been recently undertaken at the (RB)-B-3/LAND setup at GSI. We present a systematic theoretical analysis of these data with the aim of studying the quenching of the single-particle strengths and its binding-energy dependence. For that, the measured semi-inclusive (p, 2p) and (p, pn) cross sections are compared with theoretical predictions based on single-particle cross sections derived from a novel coupled-channels formalism and shell-model spectroscopic factors. A systematic reduction of about 20-30% is found, with a very limited dependence on proton-neutron asymmetry. (c) 2018 The Authors. Published by Elsevier B.V.

引用

页码：511 / 516

页数：6

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