期刊
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷 66, 期 10, 页码 -出版社
SCIENCE PRESS
DOI: 10.1007/s11433-023-2135-x
关键词
inclusive electron scattering; scaling analysis; nucleon momentum distribution; nucleon-nucleon correlation
In this study, the scaling analyses were applied to study the inclusive electron scattering and a modified scaling function was proposed to investigate the high-momentum part of the momentum distributions. The effects of nucleon-nucleon short-range correlation on the cross sections were systematically explored using the proposed scaling function and the strength of the correlation was extracted from experimental data. This research offers a new method to investigate nucleon momentum distributions and nucleon-nucleon short-range correlation effects in nuclei.
Scaling analyses have been successfully applied to study the inclusive electron scattering (e, e & PRIME;) over the past few decades. In this study, we utilize the & psi;& PRIME; scaling function in momentum space to analyze the (e, e & PRIME;) cross sections, where the nucleon momentum distributions are derived from self-consistent mean-field calculations. By further introducing the energy and momentum conservation in the scaling analysis, an improved & psi;& PRIME; scaling function is proposed to investigate the high-momentum part of the momentum distributions. Using the proposed scaling function, we systematically explore the effects of the nucleon-nucleon short-range correlation (NN-SRC) on the (e, e & PRIME;) cross sections. From the experimental (e, e & PRIME;) data, the NN-SRC strength is further extracted within the framework of the improved & psi;& PRIME; scaling function. The studies in this paper offer a new method to investigate the nucleon momentum distributions and the NN-SRC effects in nuclei.
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