Hard probes in isobar collisions as a probe of the neutron skin

2023/07/21 by Wilke van der Schee, Yen-Jie Lee, van der Schee, Wilke +5 · 1 citation
Engineering · Physics and Astronomy · #Atomic and Subatomic Physics Research #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Nuclear Experiment (nucl-ex) #Nuclear Physics and Applications #Nuclear Theory (nucl-th) #Nuclear reactor physics and engineering

paper · pdf · doi:10.48550/arxiv.2307.11836

openalex publication_date 2023/07/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

We present an estimate of the yield of hard probes expected for collisions of the isobars ⁹⁶₄₄Ru and ⁹⁶₄₀Zr at collision energies reachable at RHIC and the LHC\@. These yields are proportional to the number of binary nucleon-nucleon interactions, which is characteristically different due to the presence of the large neutron skin in ⁹⁶₄₀Zr. This provides an independent opportunity to measure the difference between the neutron skin of ⁹⁶₄₄Ru and ⁹⁶₄₀Zr, which can provide an important constraint on the Equation of State of cold neutron-rich matter.

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