The effect of hidden-charm strange pentaquarks Pcs on the K− p → J/ψ Λ reaction

Authors

  • Samson Clymton Inha University
  • Hee-Jin Kim
  • Hyun-Chul Kim

DOI:

https://doi.org/10.31349/SuplRevMexFis.3.0308040

Keywords:

Pentaquarks, K−p reaction, Regge approach

Abstract

We present a recent investigation on the production of Pcs (4459) in the K pJ/ψΛ reaction, using both the effective Lagrangian and Regge approaches. We assume six different spin and parity assignments, i.e., 1/2± , 3/2± and 5/2± to the newly found Pcs. The total and differential cross sections for the K pJ/ψΛ reaction are calculated. We examine the dependence of the results on the different assignments of JP for Pcs.

References

R. Aaij et al. [LHCb], Observation of J/ψp Resonances Consistent with Pentaquark States in Λ0b → J/ψK−p Decays, Phys. Rev. Lett. 115 (2015) 072001.

R. Aaij et al. [LHCb], Observation of a narrow pentaquark state, Pc(4312)+, and of two-peak structure of the Pc(4450)+, Phys. Rev. Lett. 122 (2019) 222001.

R. Aaij et al. [LHCb], Evidence of a J/ψΛ structure and observation of excited Ξ − states in the Ξ − b → J/ψΛK− decay, Sci. Bull. 66 (2021) 1278-1287.

J. J. Wu, R. Molina, E. Oset and B. S. Zou, Prediction of narrow N ∗ and Λ ∗ resonances with hidden charm above 4 GeV, Phys. Rev. Lett. 105 (2010) 232001.

H. X. Chen, L. S. Geng, W. H. Liang, E. Oset, E. Wang and J. J. Xie, Looking for a hidden-charm pentaquark state with strangeness S=-1 from b − decay into J/ψK−Λ, Phys. Rev. C 93 (2016) 065203.

E. Santopinto and A. Giachino, Compact pentaquark structures, Phys. Rev. D 96 (2017) 014014.

R. Chen, J. He and X. Liu, Possible strange hidden-charm pentaquarks from Σ (∗) c D¯ ∗ s and Ξ ( 0 ,∗) c D¯ ∗ interactions, Chin. Phys. C 41 (2017) 103105.

C. W. Shen, J. J. Wu and B. S. Zou, Decay behaviors of possible Λcc¯ states in hadronic molecule pictures, Phys. Rev. D 100 (2019) 056006.

C. W. Xiao, J. Nieves and E. Oset, Prediction of hidden charm strange molecular baryon states with heavy quark spin symmetry, Phys. Lett. B 799 135051 (2019).

B. Wang, L. Meng and S. L. Zhu, Spectrum of the strange hidden charm molecular pentaquarks in chiral effective field theory, Phys. Rev. D 101 (2020) 034018.

N. Brambilla, S. Eidelman, C. Hanhart, A. Nefediev, C. P. Shen, C. E. Thomas, A. Vairo and C. Z. Yuan, The XY Z states: experimental and theoretical status and perspectives, Phys. Rept. 873 (2020) 1-154.

A. Ali et al. [GlueX], First Measurement of Near-Threshold J/ψ Exclusive Photoproduction off the Proton, Phys. Rev. Lett. 123 (2019) 072001.

Q. F. Lu, X. Y. Wang, J. J. Xie, X. R. Chen and ¨ Y. B. Dong, Neutral hidden charm pentaquark states P 0 c (4380) and P 0 c (4450) in π −p → J/ψn reaction, Phys. Rev. D 93 (2016) 034009.

S. H. Kim, H.-Ch. Kim and A. Hosaka, Heavy pentaquark states Pc(4380) and Pc(4450)in the J/ψ production induced by pion beams off the nucleon, Phys. Lett. B 763, (2016) 358-364.

M. Guidal, J. M. Laget and M. Vanderhaeghen, Pion and kaon photoproduction at high-energies: Forward and intermediate angles, Nucl. Phys. A 627, (1997) 645-678.

S. H. Kim, A. Hosaka, H.-Ch. Kim, H. Noumi and K. Shirotori, Pion induced Reactions for Charmed Baryons, PTEP 2014 (2014) 103D01.

S. H. Kim, A. Hosaka, H.-Ch. Kim and H. Noumi, Production of strange and charmed baryons in pion induced reactions, Phys. Rev. D 92 (2015) 094021.

S. Clymton, H. J. Kim and H.-Ch. Kim, Production of hiddencharm strange pentaquarks Pcs from the Phys. Rev. D 104 (2021) 014023.

R. Chen, Strong decays of the newly Pcs(4459) as a strange hidden-charm ΞcD¯ ∗ molecule, Eur. Phys. J. C 81 (2021) 122.

C. W. Xiao, J. J. Wu and B. S. Zou, Molecular nature of Pcs(4459) and its heavy quark spin partners, Phys. Rev. D 103 (2021) 054016.

P. A. Zyla et al. [Particle Data Group], Review of Particle Physics, PTEP 2020 (2020) 083C01.

T. A. Rijken, M. M. Nagels and Y. Yamamoto, Baryonbaryon interactions: Nijmegen extended-soft-core models, Prog. Theor. Phys. Suppl. 185, (2010) 14-71.

T. Barnes and X. Li, Associated Charmonium Production in Low Energy p anti-p Annihilation, Phys. Rev. D 75, (2007) 054018. 24. M. M. Brisudova, L. Burakovsky and J. T. Goldman, Effective functional form of Regge trajectories, Phys. Rev. D 61, (2000) 054013.

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Published

2022-04-30

How to Cite

1.
Clymton S, Kim H-J, Kim H-C. The effect of hidden-charm strange pentaquarks Pcs on the K− p → J/ψ Λ reaction. Supl. Rev. Mex. Fis. [Internet]. 2022 Apr. 30 [cited 2022 Dec. 9];3(3):0308040 1-5. Available from: https://rmf.smf.mx/ojs/index.php/rmf-s/article/view/6209