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Study of multiplicity dependence in Charmed Hadrons production in pp collisions at LHC energies

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Abstract

We report the analysis by performing the fitting on the experimental \(p_T\) spectra of heavy flavour hadrons, including prompt \(D^0\), \(D_s^+\), and \(\Lambda _c^+\) hadrons, in proton-proton collisions at \(\sqrt{s}\) = 13 TeV at midrapidity (\(|y| < 0.5\)), using the thermodynamically consistent Tsallis distribution function. The data for the fitting is taken from the ALICE experiment at LHC. The quality of the Tsallis fits with fixed \(\mu\)=0 chemical potential has proved to be significantly better than those with fitted \(\mu\) value. The extracted nonextensivity parameter q values for \(D^0\) and \(D_s^+\) mesons proved to be compatible with those obtained earlier for the charged pions and kaons in high-energy proton-proton collisions. The extracted q values for \(\Lambda _c^+\) baryons are found to be compatible with those obtained earlier for the protons and antiprotons in high-energy proton-proton collisions. We have confirmed the relation \(q(mesons) > q(baryons)\) for heavy flavor hadrons, obtained for light hadrons in high-energy pp collisions. The effective Tsallis temperature for the heavy flavor hadrons increases with multiplicity in proton-proton collisions at \(\sqrt{s}\) = 13 TeV.

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Acknowledgements

I would like to forward my thanks to COMSATS university Islamabad Campus, Islamabad, Pakistan to provide us potential educational and research platform. Also, I would like to acknowledge our collaborator Khusniddin K. Olimov for his continuous support while finalizing and writing this article.

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Authors and Affiliations

  1. Department of Phyiscs, EHEP group, COMSATS University Islamabad Campus, Islamabad, 4000, Pakistan

    U. Tabassam & Y. Ali

  2. Physical-Technical Institute of Uzbekistan, Academy of Sciences, Tashkent, Uzbekistan

    Khusniddin K. Olimov

  3. National University of Science and Technology MISIS (NUST MISIS), Almalyk branch, Almalyk, Uzbekistan

    Khusniddin K. Olimov

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  1. U. Tabassam
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  2. Y. Ali
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Correspondence to U. Tabassam.

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Tabassam, U., Ali, Y. & Olimov, K.K. Study of multiplicity dependence in Charmed Hadrons production in pp collisions at LHC energies. Eur. Phys. J. Plus 138, 367 (2023). https://doi.org/10.1140/epjp/s13360-023-03976-5

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