PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Cosmic-Ray Physics (Indirect, CRI)
Muon Puzzle: Bridging the gap between cosmic ray and accelerator experiments
R. Scaria*, C.R. Singh, S. Deb and R. Sahoo
Full text: pdf
Pre-published on: August 17, 2023
Published on:
Multiple cosmic ray experiments have observed that the various high-energy physics models are
unable to explain the muon multiplicities at very high primary energies. The models consistently
predict lower numbers as compared to what is experimentally observed. This is termed as the
``\textit{muon puzzle}", as model tuning cannot resolve this issue. A possible solution proposed is the
formation of quark-gluon plasma which invariantly produce more strange particles that decays
into muons. We explore the electromagnetic to hadronic energy fraction in the final state
particles and compare it with the strangeness production over different systems and energies
used at the Large Hadron Collider using various models like EPOS LHC, SYBILL 2.3d, QGSJET
II-04 and PYTHIA. The results will be presented with an outlook in view of the recently proposed
OO and pO collisions at LHC.
DOI: https://doi.org/10.22323/1.444.0518
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