Probing J/ψ, ηc and hc resonances in proton-lead collisions at the LHC

Biswal, Sudhansu S. and Mishra, Sushree S. and Mohanty, Monalisa and Sridhar, K. (2026) Probing J/ψ, ηc and hc resonances in proton-lead collisions at the LHC. Journal of Subatomic Particles and Cosmology, 5. p. 100292. ISSN 30504805

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Abstract

After achieving a successful description of charmonia production in pp collisions within Non-Relativistic Quantum Chromodynamics (NRQCD) and modified NRQCD (MNRQCD) frameworks, we now extend our study to pPb collisions at the Large Hadron Collider (LHC). In this context, theoretical predictions for the production cross-section, the nuclear modification factor RpPb and forward - to - backward production ratio RFB of J/ψ have been made as a function of transverse momentum and rapidity at the LHC. MNRQCD provides a reasonable agreement with the available LHC data for J/ψ production. Furthermore, using the heavy quark symmetry relation, we have estimated the production cross sections and expected number of events of ηc and hc production in both NRQCD and MNRQCD. Notably, the predictions exhibit substantial differences in the integrated cross-sections as well as in the pT distributions for these states at the LHC, highlighting the importance of further experimental and theoretical studies of these resonances to advance our understanding of quarkonium production.

Item Type:	Article
Authors:	Biswal, Sudhansu S. and Mishra, Sushree S. and Mohanty, Monalisa and Sridhar, K.
Document Language:	Language English
Uncontrolled Keywords:	Charmonia, NRQCD, Modified NRQCD, Heavy-ion collision
Subjects:	Social sciences > Economics > Economics of land & energy > Land, recreational and wilderness areas, energy Social sciences > Economics > Production > Economic policy, economic development, economic growth
Divisions:	Azim Premji University - Bengaluru > School of Arts and Sciences
Full Text Status:	Public
URI:	http://publications.azimpremjiuniversity.edu.in/id/eprint/7913
Publisher URL:	https://doi.org/10.1016/j.jspc.2026.100292

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