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Proceedings 2019, 10(1), 3; https://doi.org/10.3390/proceedings2019010003

Multiplicity Dependence of the Jet Structures in pp Collisions at LHC Energies

1
Wigner Research Centre for Physics, P.O. Box 49, H-1525 Budapest, Hungary
2
Department of Theoretical Physics, Institute of Physics, Faculty of Science, Eötvös Loránd University,Pázmány Péter sétány 1/A, H-1117 Budapest, Hungary
*
Author to whom correspondence should be addressed.
Presented at Hot Quarks 2018—Workshop for Young Scientists on the Physics of Ultrarelativistic Nucleus-Nucleus Collisions, Texel, The Netherlands, 7–14 September 2018.
Published: 4 April 2019
PDF [279 KB, uploaded 4 April 2019]

Abstract

We study the charged event multiplicity dependence of the jet structure in pp collisions.
We present evidence for jet shape modification due to multi-parton interactions using PYTHIA
and HIJING++ Monte Carlo (MC) event generators as an input to our analysis. We introduce
a characteristic jet size measure which is independent of the choice of simulation parameters,
parton distribution functions, jet reconstruction algorithms and even of the presence or absence
of multi-parton interactions. We also investigate heavy-flavor jets and show the sensitivity of the
multiplicity-differential jet structure to flavor-dependent fragmentation.
Keywords: et physics; jet structure; multiple-parton interactions; color reconnection; high-energy collisions et physics; jet structure; multiple-parton interactions; color reconnection; high-energy collisions
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Varga, Z.; Vértesi, R.; Barnaföldi, G.G. Multiplicity Dependence of the Jet Structures in pp Collisions at LHC Energies. Proceedings 2019, 10, 3.

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