Charged-particle multiplicities in proton–proton collisions at √s=0.9 to 8 TeV

ALICE Collaboration

doi:10.1140/epjc/s10052-016-4571-1

Charged-particle multiplicities in proton–proton collisions at √s=0.9 to 8 TeV

ALICE Collaboration

Sección de Física

Czech Technical University in Prague
Czech Academy of Sciences
Panjab University
CERN
Sezione INFN
Indian Institute of Technology Bombay
Variable Energy Cyclotron Centre
COMSATS University Islamabad
Korea Institute of Science and Technology Information
Yale University
Alikhanov Institute for Theoretical and Experimental Physics
Russian Research Centre Kurchatov Institute
University of Birmingham
Universidad Nacional Autónoma de México
Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi
National Institute for Nuclear Physics
Bogolyubov Institute for Theoretical Physics Nasu
Universidad Autonoma de Sinaloa
Western Norway University of Applied Sciences
Frankfurt Institute for Advanced Studies
University of Bergen
St. Petersburg State University
Universidade de São Paulo
National Institute for Physics and Nuclear Engineering
GSI Helmholtzzentrum für Schwerionenforschung
Ruprecht-Karls-Universität Heidelberg
University of Münster
Ruder Boskovic Institute
Nantes Université
Goethe University Frankfurt
Technische Universität München
Technical University of Munich
University of Oslo
Aligarh Muslim University
Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN
Gangneung-Wonju National University
Konkuk University
University of Jammu
IRFU
Institute of Physics Bhubaneswar
Hungarian Academy of Sciences
Université Clermont Auvergne
Central China Normal University
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Joint Institute for Nuclear Research
University of Copenhagen
Inha University
Université de Strasbourg
Benemérita Universidad Autónoma de Puebla
University of Houston
Wayne State University
Moscow Engineering Physics Institute
Petersburg Nuclear Physics Institute (PNPI)
Institute for Subatomic Physics of Utrecht University
Gauhati University
University of Tsukuba
INFN, Laboratori Nazionali Di Frascati
Bose Institute
National Institute of Science Education and Research
University of Texas at Austin
Lawrence Berkeley National Laboratory
Pavol Jozef Šafárik University
Pusan National University
STFC Daresbury Laboratory
University of Liverpool
National Research Foundation
Purdue University
University of Helsinki
Russian Federal Nuclear Center (VNIIEF)
Ohio State University
Pontifical Catholic Univ. of Peru
University of Tennessee
Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear
Technical University of Košice
University of Jyväskylä
Saha Institute of Nuclear Physics
Creighton University
Universite Claude Bernard Lyon 1
Universidade Estadual de Campinas
National Institute for Subatomic Physics
University of Lund
University of Cape Town
Slovak Academy of Sciences
Université Grenoble Alpes
CNRS-IN2P3
Oak Ridge National Laboratory
Università del Piemonte Orientale and Gruppo Collegato INFN
Centro de Investigación y de Estudios AVanzados (CINVESTAV)
Institute of Space Science (ISS)
National Centre for Nuclear Studies
Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
University of Zagreb
Institute for High Energy Physics
Universidad de Santiago de Compostela
RAS - Institute for Nuclear Research
National and Kapodistrian University of Athens
Chicago State University
University of Split
Warsaw University of Technology
A. Alikhanian Yerevan Institute of Physics
Tokyo University
Eberhard Karls Universität Tübingen
Sejong University
Yonsei University
KTO Karatay University
Fachhochschule Worms
California Polytechnic State University, San Luis Obispo
Suranaree University of Technology
University of South-Eastern Norway
China Institute of Atomic Energy
University of the Witwatersrand
Institute of Physics of the Czech Academy of Sciences
University of Rome La Sapienza
Comenius University
Polytechnic University of Bari
Indian Institute of Technology Indore
Hiroshima University
Nagasaki Institute of Applied Science
Budker Institute for Nuclear Physics
University of Rajasthan
Laboratori Nazionali di Legnaro
Centre de calcul de l'IN2P3
Austrian Academy of Sciences

Research output: Contribution to journal › Article › peer-review

108 Scopus citations

Abstract

A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at s= 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range | η| < 2 , was carried out using the ALICE detector. Measurements were obtained for three event classes: inelastic, non-single diffractive and events with at least one charged particle in the pseudorapidity interval | η| < 1. The use of an improved track-counting algorithm combined with ALICE’s measurements of diffractive processes allows a higher precision compared to our previous publications. A KNO scaling study was performed in the pseudorapidity intervals | η| < 0.5, 1.0 and 1.5. The data are compared to other experimental results and to models as implemented in Monte Carlo event generators PHOJET and recent tunes of PYTHIA6, PYTHIA8 and EPOS.

Original language	English
Article number	33
Journal	European Physical Journal C
Volume	77
Issue number	1
DOIs	https://doi.org/10.1140/epjc/s10052-016-4571-1
State	Published - 1 Jan 2017

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10.1140/epjc/s10052-016-4571-1

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@article{51c5debe1ee24bb681b632ba9638fb29,

title = "Charged-particle multiplicities in proton–proton collisions at √s=0.9 to 8 TeV",

abstract = "A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at s= 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range | η| < 2 , was carried out using the ALICE detector. Measurements were obtained for three event classes: inelastic, non-single diffractive and events with at least one charged particle in the pseudorapidity interval | η| < 1. The use of an improved track-counting algorithm combined with ALICE{\textquoteright}s measurements of diffractive processes allows a higher precision compared to our previous publications. A KNO scaling study was performed in the pseudorapidity intervals | η| < 0.5, 1.0 and 1.5. The data are compared to other experimental results and to models as implemented in Monte Carlo event generators PHOJET and recent tunes of PYTHIA6, PYTHIA8 and EPOS.",

author = "\{ALICE Collaboration\} and J. Adam and D. Adamov{\'a} and Aggarwal, \{M. M.\} and Rinella, \{G. Aglieri\} and M. Agnello and N. Agrawal and Z. Ahammed and I. Ahmed and Ahn, \{S. U.\} and S. Aiola and A. Akindinov and Alam, \{S. N.\} and D. Aleksandrov and B. Alessandro and D. Alexandre and Molina, \{R. Alfaro\} and A. Alici and A. Alkin and Almaraz, \{J. R.M.\} and J. Alme and T. Alt and S. Altinpinar and I. Altsybeev and Prado, \{C. Alves Garcia\} and C. Andrei and A. Andronic and V. Anguelov and J. Anielski and T. Anti{\v c}i{\'c} and F. Antinori and P. Antonioli and L. Aphecetche and H. Appelsh{\"a}user and S. Arcelli and R. Arnaldi and Arnold, \{O. W.\} and Arsene, \{I. C.\} and M. Arslandok and B. Audurier and A. Augustinus and R. Averbeck and Azmi, \{M. D.\} and A. Badal{\`a} and Baek, \{Y. W.\} and S. Bagnasco and R. Bailhache and R. Bala and A. Baldisseri and Baral, \{R. C.\} and Gago, \{A. M.\}",

note = "Publisher Copyright: {\textcopyright} 2017, CERN for the benefit of the ALICE collaboration.",

year = "2017",

month = jan,

day = "1",

doi = "10.1140/epjc/s10052-016-4571-1",

language = "English",

volume = "77",

journal = "European Physical Journal C",

issn = "1434-6044",

number = "1",

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TY - JOUR

T1 - Charged-particle multiplicities in proton–proton collisions at √s=0.9 to 8 TeV

AU - ALICE Collaboration

AU - Adam, J.

AU - Adamová, D.

AU - Aggarwal, M. M.

AU - Rinella, G. Aglieri

AU - Agnello, M.

AU - Agrawal, N.

AU - Ahammed, Z.

AU - Ahmed, I.

AU - Ahn, S. U.

AU - Aiola, S.

AU - Akindinov, A.

AU - Alam, S. N.

AU - Aleksandrov, D.

AU - Alessandro, B.

AU - Alexandre, D.

AU - Molina, R. Alfaro

AU - Alici, A.

AU - Alkin, A.

AU - Almaraz, J. R.M.

AU - Alme, J.

AU - Alt, T.

AU - Altinpinar, S.

AU - Altsybeev, I.

AU - Prado, C. Alves Garcia

AU - Andrei, C.

AU - Andronic, A.

AU - Anguelov, V.

AU - Anielski, J.

AU - Antičić, T.

AU - Antinori, F.

AU - Antonioli, P.

AU - Aphecetche, L.

AU - Appelshäuser, H.

AU - Arcelli, S.

AU - Arnaldi, R.

AU - Arnold, O. W.

AU - Arsene, I. C.

AU - Arslandok, M.

AU - Audurier, B.

AU - Augustinus, A.

AU - Averbeck, R.

AU - Azmi, M. D.

AU - Badalà, A.

AU - Baek, Y. W.

AU - Bagnasco, S.

AU - Bailhache, R.

AU - Bala, R.

AU - Baldisseri, A.

AU - Baral, R. C.

AU - Gago, A. M.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at s= 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range | η| < 2 , was carried out using the ALICE detector. Measurements were obtained for three event classes: inelastic, non-single diffractive and events with at least one charged particle in the pseudorapidity interval | η| < 1. The use of an improved track-counting algorithm combined with ALICE’s measurements of diffractive processes allows a higher precision compared to our previous publications. A KNO scaling study was performed in the pseudorapidity intervals | η| < 0.5, 1.0 and 1.5. The data are compared to other experimental results and to models as implemented in Monte Carlo event generators PHOJET and recent tunes of PYTHIA6, PYTHIA8 and EPOS.

AB - A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at s= 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range | η| < 2 , was carried out using the ALICE detector. Measurements were obtained for three event classes: inelastic, non-single diffractive and events with at least one charged particle in the pseudorapidity interval | η| < 1. The use of an improved track-counting algorithm combined with ALICE’s measurements of diffractive processes allows a higher precision compared to our previous publications. A KNO scaling study was performed in the pseudorapidity intervals | η| < 0.5, 1.0 and 1.5. The data are compared to other experimental results and to models as implemented in Monte Carlo event generators PHOJET and recent tunes of PYTHIA6, PYTHIA8 and EPOS.

UR - https://www.scopus.com/pages/publications/85010301106

U2 - 10.1140/epjc/s10052-016-4571-1

DO - 10.1140/epjc/s10052-016-4571-1

M3 - Article

AN - SCOPUS:85010301106

SN - 1434-6044

VL - 77

JO - European Physical Journal C

JF - European Physical Journal C

IS - 1

M1 - 33

ER -

Charged-particle multiplicities in proton–proton collisions at √s=0.9 to 8 TeV

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