Novel observation of isospin structure of short-range correlations in calcium isotopes

2020/04/30 by D. Nguyen, Z. Ye, P. Aguilera +124 · 1 citation
Physics and Astronomy · #Astronomical and nuclear sciences #Atomic and Molecular Physics #Atomic physics #Isospin #Isotope #Materials science #Momentum (technical analysis) #Nuclear physics #Nuclear physics research studies #Nucleon #Particle physics #Physics #Range (aeronautics) #nucl-ex

paper · pdf · doi:10.1103/physrevc.102.064004

published as Phys. Rev. C 102, 064004 (2020) · 7 pages, 3 figures

openalex publication_date 2020/12/14 · arxiv created 2020/12/17 · arxiv updated 2021/01/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Short-range correlations (SRCs) have been identified as being responsible for the high-momentum tail of the nucleon momentum distribution, n(k). Hard, short-range interactions of nucleon pairs generate the high-momentum tail and imprint a universal character on n(k) for all nuclei at large momentum. Triple coincidence experiments have shown a strong dominance of np pairs, but these measurements involve large final-state interactions. This paper presents the results from Jefferson Lab experiment E08014 which measured inclusive electron scattering cross section from Ca isotopes. By comparing the inclusive cross section from ⁴⁸Ca to ⁴⁰Ca in a kinematic region dominated by SRCs we provide a new way to study the isospin structure of SRCs.

Citations

• Quasi-elastic electron scattering off nuclei
• The shell model as a unified view of nuclear structure
• Probing the Repulsive Core of the Nucleon-Nucleon Interaction via theHe<mml:mprescripts/><mml:none/>4(e,e′pN)Triple-Coincidence Reaction

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