Multiplicity dependence of two-particle azimuthal correlations in pp collisions at the LHC

Johan Alme; Hege Austrheim Erdal; Håvard Helstrup; Kristin Fanebust Hetland; Bjarte Kileng; Sedat Altinpinar; Øystein Djuvsland; Dominik Fehlker; Øystein Senneset Haaland; Meidana Huang; Rune Langøy; Jørgen Lien; Per-Ivar Lønne; Joakim Nystrand; Attiq ur Rehman; Ketil Røed; Dieter Røhrich; Kyrre Skjerdal; Kjetil Ullaland; Boris Wagner; Shiming Yang; Paul Christoph Bätzing; Olja Dordic; Gyulnara Eyyubova; Henning Kværnø; Svein Lindal; Gunnar Løvhøiden; Jovan Milosevic; Mads Stormo Nilsson; Henrik Qvigstad; Matthias Richter; Toralf Bernhard Skaali; Trine Spedstad Tveter; Jon Christopher Wikne; Betty Abelev; Jaroslav Adam; Dagmar Adamová; Andrew Marshall Adare; Madan M. Aggarwal; Gianluca Aglieri Rinella; Andreas Gabor Agocs; Andrea Agostinelli; Zubayer Ahammed; Nazeer Ahmad; Sang Un Ahn; Alexander Akindinov; Dimitry Aleksandrov; Bruno Alessandro; Andrea Alici; Anton Alkin; A.K. Bhati

doi:10.1007/JHEP09(2013)049

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Multiplicity dependence of two-particle azimuthal correlations in pp collisions at the LHC

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Multiplicity dependence of two-particle azimuthal correlations in pp collisions at the LHC

Johan Alme, Hege Austrheim Erdal, Håvard Helstrup, Kristin Fanebust Hetland, Bjarte Kileng, Sedat Altinpinar, Øystein Djuvsland, Dominik Fehlker, Øystein Senneset Haaland, Meidana Huang, …

2013

DOI: https://doi.org/10.1007/JHEP09(2013)049

Abstract

Kjerne- og elementærpartikkelfysikk

Nuclear and elementary particle physics

We present the measurements of particle pair yields per trigger particle obtained from di-hadron azimuthal correlations in pp collisions at √s = 0.9, 2.76, and 7TeV recorded with the ALICE detector. The yields are studied as a function of the charged particle multiplicity. Taken together with the single particle yields the pair yields provide information about parton fragmentation at low transverse momenta, as well as on the contribution of multiple parton interactions to particle production. Data are compared to calculations using the PYTHIA6, PYTHIA8, and PHOJET event generators. publishedVersion

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Title: Multiplicity dependence of two-particle azimuthal correlations in pp collisions at the LHC
Creators - without role: Johan Alme - University of Bergen
Hege Austrheim Erdal
Håvard Helstrup
Kristin Fanebust Hetland
Bjarte Kileng
Sedat Altinpinar - University of Bergen
Øystein Djuvsland
Dominik Fehlker
Øystein Senneset Haaland
Meidana Huang
Rune Langøy
Jørgen Lien
Per-Ivar Lønne
Joakim Nystrand
Attiq ur Rehman
Ketil Røed
Dieter Røhrich
Kyrre Skjerdal
Kjetil Ullaland
Boris Wagner
Shiming Yang
Paul Christoph Bätzing - University of Oslo
Olja Dordic
Gyulnara Eyyubova
Henning Kværnø
Svein Lindal
Gunnar Løvhøiden
Jovan Milosevic
Mads Stormo Nilsson
Henrik Qvigstad
Matthias Richter
Toralf Bernhard Skaali
Trine Spedstad Tveter
Jon Christopher Wikne
Betty Abelev - Lawrence Livermore National Laboratory
Jaroslav Adam - Czech Technical University in Prague
Dagmar Adamová - Czech Academy of Sciences, Nuclear Physics Institute
Andrew Marshall Adare - Yale University
Madan M. Aggarwal - Panjab University
Gianluca Aglieri Rinella
Andreas Gabor Agocs - Wigner Research Centre for Physics
Andrea Agostinelli - INFN Sezione di Bologna
Zubayer Ahammed - Variable Energy Cyclotron Centre
Nazeer Ahmad - Aligarh Muslim University
Sang Un Ahn - Korea Institute of Science & Technology Information
Alexander Akindinov - Institute for Theoretical and Experimental Physics
Dimitry Aleksandrov - Kurchatov Institute
Bruno Alessandro - INFN Sezione di Torino
Andrea Alici - INFN Sezione di Bologna
Anton Alkin - Bogolyubov Institute for Theoretical Physics
A.K. Bhati - Jazan University
Identifiers: 9917903508331
Academic Unit: Jazan University
Language: English
Resource Type: Journal article