Published June 7, 2024 | Version v1
Journal article Open

Production of the ΞN dibaryon as a weakly bound system in pp collisions

  • 1. School of Physics, Beihang University, Beijing 102206, China
  • 2. Research Center for Nuclear Physics (RCNP), Ibaraki, Osaka 567-0047, Japan
  • 3. Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
  • 4. Peng Huanwu Collaborative Center for Research and Education, Beihang University, Beijing 100191, China
  • 5. Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing 102206, China
  • 6. Southern Center for Nuclear-Science Theory (SCNT), Institute of Modern Physics, Chinese Academy of Sciences, Huizhou 516000, China

Description

The ΞN interaction plays an important role in understanding the long-anticipated H dibaryon. Recent lattice QCD calculations verified the attractive nature of the ΞN interaction. On the other hand, whether it is strong enough to generate a bound state remains inconclusive. In this work, assuming it can generate a weakly bound state, we study the yields of the ΞN dibaryon for different binding energies in pp collisions at 7 TeV using the coalescence model and the transport model PACIAE. The yields are estimated first numerically and then analytically, adopting a Yukawa-type wave function. In particular, we find that in the weak binding limit, there exists a universal relation between the yield and the binding energy, valid for pp collisions.

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10.1103_PhysRevD.109.114009.pdf

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Additional details

Identifiers

DOI
10.1103/PhysRevD.109.114009;
arXiv
arXiv:2311.02022;
Crossref Funder ID
10.13039/501100001809; 10.13039/501100004543; 10.13039/501100001691;

Publishing Information

Journal Title
Physical Review D
Journal Volume
109
Journal Issue
11
Journal Page Range
8 pgs.
ISSN
1089-4918

Optional Information

Contract/Grant/Project number
11975041; 11961141004; 21H04478; 18H05407
Notes
Contact Email: hosaka@rcnp.osaka-u.ac.jp; Contact Email: lisheng.geng@buaa.edu.cn; Record automatically processed
Funding organization
National Natural Science Foundation of China; Chinese Scholarship Council; Japan Society for the Promotion of Science