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

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

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 me...

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Main Authors: Zoltán Varga, Róbert Vértesi, Gergely Gábor Barnaföldi
Format: Article
Language:English
Published: MDPI AG 2019-04-01
Series:Proceedings
Subjects:
et physics
jet structure
multiple-parton interactions
color reconnection
high-energy collisions
Online Access:https://www.mdpi.com/2504-3900/10/1/3
id doaj-6a0a27879e4a4c20a9681c93b95f648b
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spelling doaj-6a0a27879e4a4c20a9681c93b95f648b2020-11-24T22:10:57ZengMDPI AGProceedings2504-39002019-04-01101310.3390/proceedings2019010003proceedings2019010003Multiplicity Dependence of the Jet Structures in pp Collisions at LHC EnergiesZoltán Varga0Róbert Vértesi1Gergely Gábor Barnaföldi2Wigner Research Centre for Physics, P.O. Box 49, H-1525 Budapest, HungaryWigner Research Centre for Physics, P.O. Box 49, H-1525 Budapest, HungaryWigner Research Centre for Physics, P.O. Box 49, H-1525 Budapest, HungaryWe 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.https://www.mdpi.com/2504-3900/10/1/3et physicsjet structuremultiple-parton interactionscolor reconnectionhigh-energy collisions
collection DOAJ
language English
format Article
sources DOAJ
author Zoltán Varga
Róbert Vértesi
Gergely Gábor Barnaföldi
spellingShingle Zoltán Varga
Róbert Vértesi
Gergely Gábor Barnaföldi
Multiplicity Dependence of the Jet Structures in pp Collisions at LHC Energies
Proceedings
et physics
jet structure
multiple-parton interactions
color reconnection
high-energy collisions
author_facet Zoltán Varga
Róbert Vértesi
Gergely Gábor Barnaföldi
author_sort Zoltán Varga
title Multiplicity Dependence of the Jet Structures in pp Collisions at LHC Energies
title_short Multiplicity Dependence of the Jet Structures in pp Collisions at LHC Energies
title_full Multiplicity Dependence of the Jet Structures in pp Collisions at LHC Energies
title_fullStr Multiplicity Dependence of the Jet Structures in pp Collisions at LHC Energies
title_full_unstemmed Multiplicity Dependence of the Jet Structures in pp Collisions at LHC Energies
title_sort multiplicity dependence of the jet structures in pp collisions at lhc energies
publisher MDPI AG
series Proceedings
issn 2504-3900
publishDate 2019-04-01
description 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.
topic et physics
jet structure
multiple-parton interactions
color reconnection
high-energy collisions
url https://www.mdpi.com/2504-3900/10/1/3
work_keys_str_mv AT zoltanvarga multiplicitydependenceofthejetstructuresinppcollisionsatlhcenergies
AT robertvertesi multiplicitydependenceofthejetstructuresinppcollisionsatlhcenergies
AT gergelygaborbarnafoldi multiplicitydependenceofthejetstructuresinppcollisionsatlhcenergies
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