Evidence for collectivity in pp collisions at the LHC

CMS Collaboration

doi:10.1016/j.physletb.2016.12.009

Evidence for collectivity in pp collisions at the LHC

CMS Collaboration

Fizik Mühendisliği Bölümü

A. Alikhanian Yerevan Institute of Physics
Austrian Academy of Sciences
TU Wien
Belarusian State University
University of Antwerp
Arab Academy for Science, Technology and Maritime Transport
Université libre de Bruxelles
Vrije Universiteit Brussel
Ghent University
Université Paris-Saclay
Université catholique de Louvain
Centro Brasileiro de Pesquisas Físicas
Universidade do Estado do Rio de Janeiro
Universidade Estadual de Campinas
Universidade Federal do Rio Grande do Sul
Universidade Federal de Mato Grosso do Sul
Universidade Federal de Pelotas
Universidade Estadual Paulista Júlio de Mesquita Filho
Universidade Federal do ABC
Bulgarian Academy of Sciences
Sofia University St. Kliment Ohridski
Beihang University
Tsinghua University
CAS - Institute of High Energy Physics
University of Chinese Academy of Sciences
Peking University
Sun Yat-Sen University
Fudan University
Zhejiang University
Universidad de los Andes Colombia
Universidad de Antioquia
University of Split
Ruder Boskovic Institute
Alikhanov Institute for Theoretical and Experimental Physics
University of Cyprus
Charles University
Joint Institute for Nuclear Research
Escuela Politécnica Nacional
Universidad San Francisco de Quito
Academy of Scientific Research and Technology
Ain Shams University
Zewail City of Science and Technology
The British University in Egypt
Al-Fayoum University
National Institute of Chemical Physics and Biophysics, Tallinn
University of Helsinki
Helsinki Institute of Physics
Lappeenranta-Lahti University of Technology
Purdue University
Laboratoire Leprince-Ringuet
Institut Pluridisciplinaire Hubert Curien
Université de Haute-Alsace
Universite Claude Bernard Lyon 1
Georgian Technical University
RWTH Aachen University
Erzincan University
German Electron Synchrotron
University of Hamburg
Isfahan University of Technology
Brandenburg University of Technology
Karlsruhe Institute of Technology
CERN
Lomonosov Moscow State University
Demokritos National Centre for Scientific Research
National and Kapodistrian University of Athens
National Technical University of Athens
University of Ioannina
Eotvos Lorand University
University of Debrecen
Assiut University
Wigner Research Centre for Physics
Institute for Nuclear Research
Eszterhazy Karoly University
Indian Institute of Science Bangalore
National Institute of Science Education and Research
Indian Institute of Technology Bhubaneswar
Institute of Physics Bhubaneswar
Panjab University
G.H.G. Khalsa College
University of Delhi
Saha Institute of Nuclear Physics
Shoolini University of Biotechnology and Management Sciences
University of Hyderabad
Visva-Bharati University
Indian Institute of Technology Madras
Homi Bhabha National Institute
Indian Institute of Technology Bombay
Tata Institute of Fundamental Research
Indian Institute of Science Education and Research Pune
Sharif University of Technology
Institute for Research for Fundamental Sciences
University of Science and Technology of Mazandaran
University College Dublin
National Institute for Nuclear Physics
University of Bari
Polytechnic University of Bari
University of Bologna
Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile
University of Catania
CSFNSM
University of Florence
University of Genoa
University of Milan - Bicocca
University of Basilicata
University of Naples Federico II
Università G. Marconi
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University of Pavia
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Consejo Nacional de Ciencia y Tecnologia Mexico
Universidad Iberoamericana (UIA)
Benemerita Universidad Autonoma de Puebla
Universidad Autonoma de San Luis Potosi
University of Montenegro
The University of Auckland
University of Canterbury
Quaid-I-Azam University
AGH University of Krakow
National Centre for Nuclear Research
Moscow Institute of Physics and Technology
Warsaw University of Technology
Laboratório de Instrumentação e Física Experimental de Partículas
RAS - Institute for Nuclear Research
Moscow Engineering Physics Institute
RAS - Saint Petersburg Nuclear Physics Institute
Peter the Great St. Petersburg Polytechnic University
University of Florida
Imperial College London
RAS - P.N. Lebedev Physics Institute
California Institute of Technology
Novosibirsk State University
RAS - Budker Institute of Nuclear Physics
Institute for High Energy Physics
Tomsk Polytechnic University
Tomsk State University
University of Belgrade
CIEMAT
Universidad Autónoma de Madrid
University of Oviedo
Universidad de Cantabria
University of Colombo
Eastern University, Sri Lanka
University of Ruhuna
Paul Scherrer Institute
University of Zurich
Swiss Federal Institute of Technology Zurich
National Central University
CNRS/IN2P3
National Taiwan University
Chulalongkorn University
Cukurova University
Sirnak University
Near East University
Beykent University
Istanbul Aydin University
Mersin University
Piri Reis University
Adiyaman University
Middle East Technical University
Ozyegin University
Izmir Institute of Technology
Necmettin Erbakan University
Bozok University
Bogazici University
Marmara University
Turkish National Defence University
Kafkas University
Istanbul Bilgi University
Istanbul Technical University
Hacettepe University
Istanbul University
NASU - Institute for Single Crystals
NASU - Kharkov Institute of Physics and Technology
University of Bristol
Rutherford Appleton Laboratory
University of Southampton
Durham University
Monash University
Brunel University London
Baylor University
Bethel University
Catholic University of America
University of Alabama
Boston University
Brown University
Karamanoglu Mehmetbey University
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University of California at Riverside
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Cornell University
Fermi National Accelerator Laboratory
Florida State University
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Nanjing Normal University
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Rutgers - The State University of New Jersey, New Brunswick
University of Tennessee, Knoxville
Texas A&M University
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Vanderbilt University
University of Virginia
Wayne State University
University of Wisconsin-Madison

Araştırma sonucu: Dergiye katkı › Makale › bilirkişi

306 Atıf (Scopus)

Özet

Measurements of two- and multi-particle angular correlations in pp collisions at s=5,7, and 13TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of 1.0pb⁻¹ (5 TeV), 6.2pb⁻¹ (7 TeV), and 0.7pb⁻¹ (13 TeV), were collected using the CMS detector at the LHC. The second-order (v₂) and third-order (v₃) azimuthal anisotropy harmonics of unidentified charged particles, as well as v₂ of K_S ⁰ and Λ/Λ‾ particles, are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For high-multiplicity pp events, a mass ordering is observed for the v₂ values of charged hadrons (mostly pions), K_S ⁰, and Λ/Λ‾, with lighter particle species exhibiting a stronger azimuthal anisotropy signal below p_T≈2GeV/c. For 13 TeV data, the v₂ signals are also extracted from four- and six-particle correlations for the first time in pp collisions, with comparable magnitude to those from two-particle correlations. These observations are similar to those seen in pPb and PbPb collisions, and support the interpretation of a collective origin for the observed long-range correlations in high-multiplicity pp collisions.

Orijinal dil	İngilizce
Sayfa (başlangıç-bitiş)	193-220
Sayfa sayısı	28
Dergi	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Hacim	765
DOI'lar	https://doi.org/10.1016/j.physletb.2016.12.009
Yayın durumu	Yayınlandı - 10 Şub 2017

Bibliyografik not

Publisher Copyright:
© 2016 The Author

Finansman

Individuals have received support from the Marie-Curie program and the European Research Council and EPLANET (European Union); the Leventis Foundation; the Alfred P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS program of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund, the Mobility Plus program of the Ministry of Science and Higher Education, the OPUS program contract 2014/13/B/ST2/02543 and contract Sonata-bis DEC-2012/07/E/ST2/01406 of the National Science Center (Poland); the Thalis and Aristeia programs cofinanced by EU-ESF and the Greek NSRF; the National Priorities Research Program by Qatar National Research Fund; the Programa Clarín-COFUND del Principado de Asturias; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University and the Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand); and the Welch Foundation, contract C-1845.

Finansörler	Finansör numarası
EU-ESF
National Science Foundation	1606321, 1151640, 1506168, 1506130, 1120138, 1211067, 1624356, 1508869
Alfred P. Sloan Foundation
Welch Foundation	C-1845
Alexander von Humboldt-Stiftung
Qatar National Research Fund
Ministry of Education and Science	2014/13/B/ST2/02543, DEC-2012/07/E/ST2/01406
Science and Technology Facilities Council	ST/N000250/1, ST/K001256/1, GRIDPP
European Commission
European Research Council
Council of Scientific and Industrial Research, India
Ministerstvo Školství, Mládeže a Tělovýchovy
Fundacja na rzecz Nauki Polskiej
Belgian Federal Science Policy Office
Chulalongkorn University
Agentschap voor Innovatie door Wetenschap en Technologie
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture
A.G. Leventis Foundation
Narodowe Centrum Nauki
European Regional Development Fund

Belgeye Erişim

10.1016/j.physletb.2016.12.009

Diğer Dosyalar ve Linkler

Link to publication in Scopus

Alıntı Yap

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title = "Evidence for collectivity in pp collisions at the LHC",

abstract = "Measurements of two- and multi-particle angular correlations in pp collisions at s=5,7, and 13TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of 1.0pb−1 (5 TeV), 6.2pb−1 (7 TeV), and 0.7pb−1 (13 TeV), were collected using the CMS detector at the LHC. The second-order (v2) and third-order (v3) azimuthal anisotropy harmonics of unidentified charged particles, as well as v2 of KS 0 and Λ/Λ‾ particles, are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For high-multiplicity pp events, a mass ordering is observed for the v2 values of charged hadrons (mostly pions), KS 0, and Λ/Λ‾, with lighter particle species exhibiting a stronger azimuthal anisotropy signal below pT≈2GeV/c. For 13 TeV data, the v2 signals are also extracted from four- and six-particle correlations for the first time in pp collisions, with comparable magnitude to those from two-particle correlations. These observations are similar to those seen in pPb and PbPb collisions, and support the interpretation of a collective origin for the observed long-range correlations in high-multiplicity pp collisions.",

keywords = "CMS, Correlation, Heavy ion, Physics, Ridge, pp",

author = "\{CMS Collaboration\} and Sirunyan, \{A. M.\} and A. Tumasyan and W. Adam and T. Bergauer and M. Dragicevic and J. Er{\"o} and \{Escalante Del Valle\}, A. and R. Fr{\"u}hwirth and M. Jeitler and N. Krammer and L. Lechner and D. Liko and T. Madlener and I. Mikulec and Pitters, \{F. M.\} and N. Rad and J. Schieck and R. Sch{\"o}fbeck and M. Spanring and S. Templ and W. Waltenberger and Wulz, \{C. E.\} and M. Zarucki and V. Chekhovsky and A. Litomin and V. Makarenko and \{Suarez Gonzalez\}, J. and Darwish, \{M. R.\} and \{de Wolf\}, \{E. A.\} and \{Di Croce\}, D. and X. Janssen and T. Kello and A. Lelek and M. Pieters and \{Rejeb Sfar\}, H. and \{van Haevermaet\}, H. and \{van Mechelen\}, P. and \{van Putte\}, S. and \{van Remortel\}, N. and F. Blekman and Bols, \{E. S.\} and Chhibra, \{S. S.\} and J. D{\textquoteright}Hondt and \{de Clercq\}, J. and D. Lontkovskyi and S. Lowette and I. Marchesini and S. Moortgat and A. Morton and A. Cakir",

note = "Publisher Copyright: {\textcopyright} 2016 The Author",

year = "2017",

month = feb,

day = "10",

doi = "10.1016/j.physletb.2016.12.009",

language = "English",

volume = "765",

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TY - JOUR

T1 - Evidence for collectivity in pp collisions at the LHC

AU - CMS Collaboration

AU - Sirunyan, A. M.

AU - Tumasyan, A.

AU - Adam, W.

AU - Bergauer, T.

AU - Dragicevic, M.

AU - Erö, J.

AU - Escalante Del Valle, A.

AU - Frühwirth, R.

AU - Jeitler, M.

AU - Krammer, N.

AU - Lechner, L.

AU - Liko, D.

AU - Madlener, T.

AU - Mikulec, I.

AU - Pitters, F. M.

AU - Rad, N.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Spanring, M.

AU - Templ, S.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Zarucki, M.

AU - Chekhovsky, V.

AU - Litomin, A.

AU - Makarenko, V.

AU - Suarez Gonzalez, J.

AU - Darwish, M. R.

AU - de Wolf, E. A.

AU - Di Croce, D.

AU - Janssen, X.

AU - Kello, T.

AU - Lelek, A.

AU - Pieters, M.

AU - Rejeb Sfar, H.

AU - van Haevermaet, H.

AU - van Mechelen, P.

AU - van Putte, S.

AU - van Remortel, N.

AU - Blekman, F.

AU - Bols, E. S.

AU - Chhibra, S. S.

AU - D’Hondt, J.

AU - de Clercq, J.

AU - Lontkovskyi, D.

AU - Lowette, S.

AU - Marchesini, I.

AU - Moortgat, S.

AU - Morton, A.

AU - Cakir, A.

PY - 2017/2/10

Y1 - 2017/2/10

N2 - Measurements of two- and multi-particle angular correlations in pp collisions at s=5,7, and 13TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of 1.0pb−1 (5 TeV), 6.2pb−1 (7 TeV), and 0.7pb−1 (13 TeV), were collected using the CMS detector at the LHC. The second-order (v2) and third-order (v3) azimuthal anisotropy harmonics of unidentified charged particles, as well as v2 of KS 0 and Λ/Λ‾ particles, are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For high-multiplicity pp events, a mass ordering is observed for the v2 values of charged hadrons (mostly pions), KS 0, and Λ/Λ‾, with lighter particle species exhibiting a stronger azimuthal anisotropy signal below pT≈2GeV/c. For 13 TeV data, the v2 signals are also extracted from four- and six-particle correlations for the first time in pp collisions, with comparable magnitude to those from two-particle correlations. These observations are similar to those seen in pPb and PbPb collisions, and support the interpretation of a collective origin for the observed long-range correlations in high-multiplicity pp collisions.

AB - Measurements of two- and multi-particle angular correlations in pp collisions at s=5,7, and 13TeV are presented as a function of charged-particle multiplicity. The data, corresponding to integrated luminosities of 1.0pb−1 (5 TeV), 6.2pb−1 (7 TeV), and 0.7pb−1 (13 TeV), were collected using the CMS detector at the LHC. The second-order (v2) and third-order (v3) azimuthal anisotropy harmonics of unidentified charged particles, as well as v2 of KS 0 and Λ/Λ‾ particles, are extracted from long-range two-particle correlations as functions of particle multiplicity and transverse momentum. For high-multiplicity pp events, a mass ordering is observed for the v2 values of charged hadrons (mostly pions), KS 0, and Λ/Λ‾, with lighter particle species exhibiting a stronger azimuthal anisotropy signal below pT≈2GeV/c. For 13 TeV data, the v2 signals are also extracted from four- and six-particle correlations for the first time in pp collisions, with comparable magnitude to those from two-particle correlations. These observations are similar to those seen in pPb and PbPb collisions, and support the interpretation of a collective origin for the observed long-range correlations in high-multiplicity pp collisions.

KW - CMS

KW - Correlation

KW - Heavy ion

KW - Physics

KW - Ridge

KW - pp

UR - https://www.scopus.com/pages/publications/85007251845

U2 - 10.1016/j.physletb.2016.12.009

DO - 10.1016/j.physletb.2016.12.009

M3 - Article

AN - SCOPUS:85007251845

SN - 0370-2693

VL - 765

SP - 193

EP - 220

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

ER -

Evidence for collectivity in pp collisions at the LHC

Özet

Bibliyografik not

Finansman

Belgeye Erişim

Diğer Dosyalar ve Linkler

Parmak izi

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