ORIGINAL RESEARCH article
Front. Phys.
Sec. High-Energy and Astroparticle Physics
Volume 13 - 2025 | doi: 10.3389/fphy.2025.1604033
Production of the X(3872) in Pb-Pb collisions at √ s N N = 5.02 TeV from PACIAE model
Provisionally accepted
- 1School of Physics and Mechanical Electrical & Engineering, Hubei University of Education, Wuhan, China
- 2Wuhan Textile University, Wuhan, Hubei Province, China
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We employed the dynamically constrained phase space coalescence model to study the X(3872), where the parton and hadron cascade model (PACIAE) was used to simulate Pb-Pb collisions at √ s N N = 5.02 TeV in centralities of 0-10% and 30-50%. In this work, we examined the correlation between the yield of the X(3872) and the parameters ∆m and R. Additionally, We predicted the yields of the X(3872) for its three plausible configurations, namely the hadronic molecular state, tetraquark state and nuclear-like state, in Pb-Pb collisions at √ s N N = 5.02 TeV. We also analyzed the transverse momenta for three different structures of the X(3872). Sizable differences were observed in the transverse momentum distributions among the three different X(3872) structures.
Keywords: Heavy ion collision, exotic hadron, Hadronic molecular state, tetraquark state, nuclear-like state
Received: 01 Apr 2025; Accepted: 20 Jun 2025.
Copyright: © 2025 Xu, She, Yu and Zhang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Ning Yu, School of Physics and Mechanical Electrical & Engineering, Hubei University of Education, Wuhan, China
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