期刊
PHYSICS LETTERS B
卷 785, 期 -, 页码 511-516出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2018.08.058
关键词
(p, 2p) and ( p, pn); Transfer to continuum; Quenching factors
资金
- Spanish Ministerio de Economia y Competitividad
- FEDER [FIS2014-53448-C2-1-P]
- European Union [654002]
- Spanish Ministerio de Educacion, Cultura y Deporte [FPU13/04109]
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.
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