Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC

ALICE Collaboration

doi:10.1140/epjc/s10052-017-5222-x

Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC

ALICE Collaboration

Sección de Física

Variable Energy Cyclotron Centre
Czech Academy of Sciences
University of Lund
Panjab University
CERN
Politecnico di Torino
Indian Institute of Technology Bombay
Department of Physics Aligarh Muslim University
Korea Institute of Science and Technology Information
Yale University
Alikhanov Institute for Theoretical and Experimental Physics
Universidade Estadual de Campinas
Russian Research Centre Kurchatov Institute
Sezione INFN
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
University of Bergen
Goethe University Frankfurt
St. Petersburg State University
Universidade de São Paulo
National Institute for Physics and Nuclear Engineering
University of Birmingham
GSI Helmholtzzentrum für Schwerionenforschung
Ruprecht-Karls-Universität Heidelberg
Creighton University
Ruder Boskovic Institute
University of Houston
Nantes Université
Technische Universität München
Technical University of Munich
University of Oslo
Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN
Inha University
Konkuk University
University of Jammu
CNRS-IN2P3
Rheinische Friedrich-Wilhelms-Universität Bonn
Institute of Physics Bhubaneswar
Hungarian Academy of Sciences
STFC Daresbury Laboratory
Université Clermont Auvergne
Central China Normal University
Wayne State University
University of Münster
Joint Institute for Nuclear Research
University of Copenhagen
Institute for Subatomic Physics of Utrecht University
Université de Strasbourg
Benemérita Universidad Autónoma de Puebla
Universidad Autonoma de Sinaloa
Moscow Engineering Physics Institute
Petersburg Nuclear Physics Institute (PNPI)
University of Tennessee
Gauhati University
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
INFN, Laboratori Nazionali Di Frascati
Faculty of Nuclear Sciences and Physical Engineering
Bose Institute
University of Texas at Austin
University of Pavia
Lawrence Berkeley National Laboratory
Pavol Jozef Šafárik University
Università di Brescia
Pusan National University
University of Liverpool
University of Helsinki
Russian Federal Nuclear Center (VNIIEF)
Austrian Academy of Sciences
University of Tsukuba
National Research Foundation
COMSATS University Islamabad
Ohio State University
Technical University of Košice
National Institute for Subatomic Physics
Pontifical Catholic Univ. of Peru
Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear
University of Jyväskylä
Saha Institute of Nuclear Physics
Universite Claude Bernard Lyon 1
University of Cape Town
Slovak Academy of Sciences
Université Grenoble Alpes
Oak Ridge National Laboratory
Università del Piemonte Orientale and Gruppo Collegato INFN
Universidade Federal do ABC
Institute of Space Science (ISS)
National Institute of Science Education and Research
Indian Institute of Technology Indore
Frankfurt Institute for Advanced Studies
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
Universidade Federal do Rio Grande do Sul
University of Split
Warsaw University of Technology
A. Alikhanian Yerevan Institute of Physics
Tokyo University
Nagasaki Institute of Applied Science
Western Norway University of Applied Sciences
Centro de Investigación y de Estudios AVanzados (CINVESTAV)
Eberhard Karls Universität Tübingen
Institute of Physics of the Czech Academy of Sciences
Sejong University
Yonsei University
KTO Karatay University
Fachhochschule Worms
Gangneung-Wonju National University
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
University of Rome La Sapienza
Comenius University
Hiroshima University
Budker Institute for Nuclear Physics
University of Rajasthan
Laboratori Nazionali di Legnaro
National Nuclear Research Center
Purdue University
Indonesian Institute of Sciences
Centre de calcul de l'IN2P3

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

61 Citas (Scopus)

Resumen

The transverse momentum (p_T) spectra and elliptic flow coefficient (v₂) of deuterons and anti-deuterons at mid-rapidity (| y| < 0.5) are measured with the ALICE detector at the LHC in Pb–Pb collisions at sNN = 2.76 TeV. The measurement of the p_Tspectra of (anti-)deuterons is done up to 8 GeV/ c in 0–10% centrality class and up to 6 GeV/ c in 10–20% and 20–40% centrality classes. The v₂is measured in the 0.8 < p_T<5 GeV/ c interval and in six different centrality intervals (0–5, 5–10, 10–20, 20–30, 30–40 and 40–50%) using the scalar product technique. Measured π^±, K^± and p+p ¯ transverse-momentum spectra and v₂are used to predict the deuteron p_Tspectra and v₂within the Blast-Wave model. The predictions are able to reproduce the v₂ coefficient in the measured p_Trange and the transverse-momentum spectra for p_T> 1.8 GeV/ c within the experimental uncertainties. The measurement of the coalescence parameter B₂is performed, showing a p_T dependence in contrast with the simplest coalescence model, which fails to reproduce also the measured v₂ coefficient. In addition, the coalescence parameter B₂ and the elliptic flow coefficient in the 20–40% centrality interval are compared with the AMPT model which is able, in its version without string melting, to reproduce the measured v₂(p_T) and the B₂(p_T) trend.

Idioma original	Inglés
Número de artículo	658
Publicación	European Physical Journal C
Volumen	77
N.º	10
DOI	https://doi.org/10.1140/epjc/s10052-017-5222-x
Estado	Publicada - 1 oct. 2017

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10.1140/epjc/s10052-017-5222-x

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@article{334fe48a78d0472d8c3e004eb4ee3fbe,

title = "Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC",

abstract = "The transverse momentum (pT) spectra and elliptic flow coefficient (v2) of deuterons and anti-deuterons at mid-rapidity (| y| < 0.5) are measured with the ALICE detector at the LHC in Pb–Pb collisions at sNN = 2.76 TeV. The measurement of the pTspectra of (anti-)deuterons is done up to 8 GeV/ c in 0–10\% centrality class and up to 6 GeV/ c in 10–20\% and 20–40\% centrality classes. The v2is measured in the 0.8 < pT<5 GeV/ c interval and in six different centrality intervals (0–5, 5–10, 10–20, 20–30, 30–40 and 40–50\%) using the scalar product technique. Measured π±, K± and p+p ¯ transverse-momentum spectra and v2are used to predict the deuteron pTspectra and v2within the Blast-Wave model. The predictions are able to reproduce the v2 coefficient in the measured pTrange and the transverse-momentum spectra for pT> 1.8 GeV/ c within the experimental uncertainties. The measurement of the coalescence parameter B2is performed, showing a pT dependence in contrast with the simplest coalescence model, which fails to reproduce also the measured v2 coefficient. In addition, the coalescence parameter B2 and the elliptic flow coefficient in the 20–40\% centrality interval are compared with the AMPT model which is able, in its version without string melting, to reproduce the measured v2(pT) and the B2(pT) trend.",

author = "\{ALICE Collaboration\} and S. Acharya and D. Adamov{\'a} and J. Adolfsson and Aggarwal, \{M. M.\} and \{Aglieri Rinella\}, G. and M. Agnello and N. Agrawal and Z. Ahammed and N. Ahmad and Ahn, \{S. U.\} and S. Aiola and A. Akindinov and Alam, \{S. N.\} and Alba, \{J. L.B.\} and Albuquerque, \{D. S.D.\} and D. Aleksandrov and B. Alessandro and \{Alfaro Molina\}, R. and A. Alici and A. Alkin and J. Alme and T. Alt and L. Altenkamper and I. Altsybeev and \{Alves Garcia Prado\}, C. and C. Andrei and D. Andreou and Andrews, \{H. A.\} and A. Andronic and V. Anguelov and C. Anson and T. Anti{\v c}i{\'c} and F. Antinori and P. Antonioli and R. Anwar 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 Gago, \{A. M.\}",

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

year = "2017",

month = oct,

day = "1",

doi = "10.1140/epjc/s10052-017-5222-x",

language = "English",

volume = "77",

journal = "European Physical Journal C",

issn = "1434-6044",

number = "10",

}

TY - JOUR

T1 - Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC

AU - ALICE Collaboration

AU - Acharya, S.

AU - Adamová, D.

AU - Adolfsson, J.

AU - Aggarwal, M. M.

AU - Aglieri Rinella, G.

AU - Agnello, M.

AU - Agrawal, N.

AU - Ahammed, Z.

AU - Ahmad, N.

AU - Ahn, S. U.

AU - Aiola, S.

AU - Akindinov, A.

AU - Alam, S. N.

AU - Alba, J. L.B.

AU - Albuquerque, D. S.D.

AU - Aleksandrov, D.

AU - Alessandro, B.

AU - Alfaro Molina, R.

AU - Alici, A.

AU - Alkin, A.

AU - Alme, J.

AU - Alt, T.

AU - Altenkamper, L.

AU - Altsybeev, I.

AU - Alves Garcia Prado, C.

AU - Andrei, C.

AU - Andreou, D.

AU - Andrews, H. A.

AU - Andronic, A.

AU - Anguelov, V.

AU - Anson, C.

AU - Antičić, T.

AU - Antinori, F.

AU - Antonioli, P.

AU - Anwar, R.

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 - Gago, A. M.

PY - 2017/10/1

Y1 - 2017/10/1

N2 - The transverse momentum (pT) spectra and elliptic flow coefficient (v2) of deuterons and anti-deuterons at mid-rapidity (| y| < 0.5) are measured with the ALICE detector at the LHC in Pb–Pb collisions at sNN = 2.76 TeV. The measurement of the pTspectra of (anti-)deuterons is done up to 8 GeV/ c in 0–10% centrality class and up to 6 GeV/ c in 10–20% and 20–40% centrality classes. The v2is measured in the 0.8 < pT<5 GeV/ c interval and in six different centrality intervals (0–5, 5–10, 10–20, 20–30, 30–40 and 40–50%) using the scalar product technique. Measured π±, K± and p+p ¯ transverse-momentum spectra and v2are used to predict the deuteron pTspectra and v2within the Blast-Wave model. The predictions are able to reproduce the v2 coefficient in the measured pTrange and the transverse-momentum spectra for pT> 1.8 GeV/ c within the experimental uncertainties. The measurement of the coalescence parameter B2is performed, showing a pT dependence in contrast with the simplest coalescence model, which fails to reproduce also the measured v2 coefficient. In addition, the coalescence parameter B2 and the elliptic flow coefficient in the 20–40% centrality interval are compared with the AMPT model which is able, in its version without string melting, to reproduce the measured v2(pT) and the B2(pT) trend.

AB - The transverse momentum (pT) spectra and elliptic flow coefficient (v2) of deuterons and anti-deuterons at mid-rapidity (| y| < 0.5) are measured with the ALICE detector at the LHC in Pb–Pb collisions at sNN = 2.76 TeV. The measurement of the pTspectra of (anti-)deuterons is done up to 8 GeV/ c in 0–10% centrality class and up to 6 GeV/ c in 10–20% and 20–40% centrality classes. The v2is measured in the 0.8 < pT<5 GeV/ c interval and in six different centrality intervals (0–5, 5–10, 10–20, 20–30, 30–40 and 40–50%) using the scalar product technique. Measured π±, K± and p+p ¯ transverse-momentum spectra and v2are used to predict the deuteron pTspectra and v2within the Blast-Wave model. The predictions are able to reproduce the v2 coefficient in the measured pTrange and the transverse-momentum spectra for pT> 1.8 GeV/ c within the experimental uncertainties. The measurement of the coalescence parameter B2is performed, showing a pT dependence in contrast with the simplest coalescence model, which fails to reproduce also the measured v2 coefficient. In addition, the coalescence parameter B2 and the elliptic flow coefficient in the 20–40% centrality interval are compared with the AMPT model which is able, in its version without string melting, to reproduce the measured v2(pT) and the B2(pT) trend.

UR - https://www.scopus.com/pages/publications/85030866390

U2 - 10.1140/epjc/s10052-017-5222-x

DO - 10.1140/epjc/s10052-017-5222-x

M3 - Article

AN - SCOPUS:85030866390

SN - 1434-6044

VL - 77

JO - European Physical Journal C

JF - European Physical Journal C

IS - 10

M1 - 658

ER -

Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC

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