Rapidity and transverse momentum dependence of inclusive J/ψ production in pp collisions at √s=7 TeV

被引：130

作者：

Aamodt, K. ^{[2
]}

Quintana, A. Abrahantes ^{[3
]}

Adamova, D. ^{[4
]}

Adare, A. M. ^{[5
]}

Aggarwal, M. M. ^{[6
]}

Rinella, G. Aglieri ^{[7
]}

Agocs, A. G. ^{[8
]}

Agostinelli, A. ^{[9
,10
]}

Aguilar Salazar, S. ^{[11
]}

Ahammed, Z. ^{[12
]}

Ahmad, N. ^{[13
]}

Masoodi, A. Ahmad ^{[13
]}

Ahn, S. U. ^{[14
,41
]}

Akindinov, A. ^{[15
]}

Aleksandrov, D. ^{[16
]}

Alessandro, B. ^{[1
]}

Alfaro Molina, R. ^{[11
]}

Alici, A. ^{[17
,134
]}

Alkin, A. ^{[18
]}

Almaraz Avina, E. ^{[11
]}

Alme, J. ^{[19
]}

Alt, T. ^{[20
]}

Altini, V. ^{[7
,21
,22
]}

Altsybeev, I. ^{[23
]}

Andrei, C. ^{[24
]}

Andronic, A. ^{[25
,26
]}

Anguelov, V. ^{[20
]}

Anson, C. ^{[27
]}

Anticic, T. ^{[28
]}

Antinori, F. ^{[29
]}

Antonioli, P. ^{[30
]}

Aphecetche, L. ^{[31
]}

Appelshaeuser, H. ^{[32
]}

Arbor, N. ^{[33
]}

Arcelli, S. ^{[9
,10
]}

Arend, A. ^{[32
]}

Armesto, N. ^{[34
,35
]}

Arnaldi, R. ^{[1
]}

Aronsson, T. ^{[5
]}

Arsene, I. C. ^{[25
,26
]}

Asryan, A. ^{[23
]}

Augustinus, A. ^{[7
]}

Averbeck, R. ^{[25
,26
]}

Awes, T. C. ^{[36
]}

Aysto, J. ^{[37
,38
]}

Azmi, M. D. ^{[13
]}

Bach, M. ^{[20
]}

Badala, A. ^{[39
]}

Baek, Y. W. ^{[14
,41
]}

Bailhache, R. ^{[32
]}

机构：

[1] Sezione Ist Nazl Fis Nucl, Turin, Italy

[2] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[3] Ctr Aplicac Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba

[4] Acad Sci Czech Republ, Inst Nucl Phys, Prague, Czech Republic

[5] Yale Univ, New Haven, CT USA

[6] Panjab Univ, Dept Phys, Chandigarh 160014, India

[7] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[8] Hungarian Acad Sci, KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

[9] Univ Bologna, Dipartimento Fis, Bologna, Italy

[10] Sezione Ist Nazl Fis Nucl, Bologna, Italy

[11] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico

[12] Ctr Variable Energy Cyclotron, Kolkata, India

[13] Aligarh Muslim Univ, Dept Phys, Aligarh 202002, Uttar Pradesh, India

[14] Gangneung Wonju Natl Univ, Kangnung, South Korea

[15] Inst Theoret & Expt Phys, Moscow 117259, Russia

[16] Russian Res Ctr Kurchatov Inst, Moscow, Russia

[17] Ctr Fermi Ctr Studi & Ric, Rome, Italy

[18] Bogolyubov Inst Theoret Phys, Kiev, Ukraine

[19] Bergen Univ Coll, Fac Engn, Bergen, Norway

[20] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, Frankfurt, Germany

[21] Dipartimento Interateneo Fis M Merlin, Bari, Italy

[22] Sezione Ist Nazl Fis Nucl, Bari, Italy

[23] St Petersburg State Univ, V Fock Inst Phys, St Petersburg, Russia

[24] Natl Inst Phys & Nucl Engn, Bucharest, Romania

[25] GSI Helmholtzzentrum Schwerionenforsch, Div Res, Darmstadt, Germany

[26] GSI Helmholtzzentrum Schwerionenforsch, ExtreMe Matter Inst EMMI, Darmstadt, Germany

[27] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[28] Rudjer Boskovic Inst, Zagreb, Croatia

[29] Sezione Ist Nazl Fis Nucl, Padua, Italy

[30] Sezione Ist Nazl Fis Nucl, Bologna, Italy

[31] Univ Nantes, CNRS IN2P3, Ecole Mines Nantes, SUBATECH, Nantes, France

[32] Goethe Univ Frankfurt, Inst Kernphys, D-6000 Frankfurt, Germany

[33] Univ Grenoble 1, CNRS IN2P3, LPSC, Inst Polytech Grenoble, Grenoble, France

[34] Univ Santiago de Compostela, Dept Fis Particulas, Santiago De Compostela, Spain

[35] Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain

[36] Oak Ridge Natl Lab, Oak Ridge, TN USA

[37] Helsinki Inst Phys, Jyvaskyla, Finland

[38] Univ Jyvaskyla, Jyvaskyla, Finland

[39] Sezione Ist Nazl Fis Nucl, Catania, Italy

[40] IRFU, Commissariat Energie Atom, Saclay, France

[41] Univ Blaise Pascal, Clermont Univ, LPC, CNRS IN2P3, Clermont Ferrand, France

[42] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia

[43] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[44] Sezione Ist Nazl Fis Nucl, Catania, Italy

[45] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[46] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

[47] Univ Munster, Inst Kernphys, D-4400 Munster, Germany

[48] Joint Inst Nucl Res, Dubna, Russia

[49] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[50] Univ Strasbourg, IPHC, CNRS IN2P3, Strasbourg, France

来源：

PHYSICS LETTERS B | 2011年 / 704卷 / 05期

基金：

新加坡国家研究基金会; 巴西圣保罗研究基金会; 瑞典研究理事会; 美国国家科学基金会; 芬兰科学院; 英国科学技术设施理事会; 美国能源部; 欧洲研究理事会; 中国国家自然科学基金;

关键词：

PROTON-PROTON COLLISIONS; P(P)OVER-BAR COLLISIONS; ALICE; DETECTOR; PROMPT;

D O I：

10.1016/j.physletb.2011.09.054

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The ALICE experiment at the LHC has studied inclusive J/psi production at central and forward rapidities in pp collisions at root s = 7 TeV. In this Letter, we report on the first results obtained detecting the J/psi through the dilepton decay into e(+)e(-) and mu(+)mu(-) pairs in the rapidity ranges vertical bar y vertical bar < 0.9 and 2.5 < y < 4, respectively, and with acceptance down to zero PT. In the dielectron channel the analysis was carried Out on a data sample corresponding to an integrated luminosity L-int = 5.6 nb(-1) and the number of signal events is N-J/psi = 352 +/- 32 (stat.) +/- 28 (syst.): the corresponding figures in the dimuon channel are L-int = 15.6 nb(-1) and N-J/psi = 1924 +/- 77 (stat.) +/- 144 (syst.). The measured production cross sections are sigma(J/psi) (vertical bar y vertical bar < 0.9) = 10.7 +/- 1.0 (stat.) +/- 1.6 (syst.)(-2.3)(+1.6) (syst.pol.) mu b and sigma(J/psi) (2.5 < y < 4) = 6.31 +/- 0.25 (stat.) +/- 0.76 (syst.)(-1.96)(+0.95) (syst.pol.) mu b. The differential cross sections, in transverse momentum and rapidity, of the J/psi were also measured. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.

引用

页码：442 / 455

页数：14

共 50 条

[1] Rapidity and transverse momentum dependence of inclusive J/ψ production in pp collisions at √s = 7 TeV (vol 704, pg 442, 2011)
Aamodt, K.
Quintana, A. Abrahantes
Adamova, D.
Adare, A. M.
Aggarwal, M. M.
Rinella, G. Aglieri
Agocs, A. G.
Agostinelli, A.
Salazar, S. Aguilar
Ahammed, Z.
Ahmad, N.
Masoodi, A. Ahmad
Ahn, S. U.
Akindinov, A.
Aleksandrov, D.
Alessandro, B.
Molina, R. Alfaro
Alici, A.
Alkin, A.
Avina, E. Almaraz
Alme, J.
Alt, T.
Altini, V.
Altsybeev, I.
Andrei, C.
Andronic, A.
Anguelov, V.
Anson, C.
Anticic, T.
Antinori, F.
Antonioli, P.
Aphecetche, L.
Appelshaeuser, H.
Arbor, N.
Arcelli, S.
Arend, A.
Armesto, N.
Arnaldi, R.
Aronsson, T.
Arsene, I. C.
Asryan, A.
Augustinus, A.
Averbeck, R.
Awes, T. C.
Aysto, J.
Azmi, M. D.
Bach, M.
Badala, A.
Baek, Y. W.
Bailhache, R.
PHYSICS LETTERS B, 2012, 718 (02) : 692 - 696
[2] Inclusive J/ψ production at mid-rapidity in pp collisions at √s=5.02 TeV
Acharya, S.
Adamova, D.
Adler, A.
Adolfsson, J.
Aggarwal, M. M.
Rinella, G. Aglieri
Agnello, M.
Agrawal, N.
Ahammed, Z.
Ahn, S. U.
Aiola, S.
Akindinov, A.
Al-Turany, M.
Alam, S. N.
Albuquerque, D. S. D.
Aleksandrov, D.
Alessandro, B.
Alfanda, H. M.
Alfaro Molina, R.
Ali, Y.
Alici, A.
Alkin, A.
Alme, J.
Alt, T.
Altenkamper, L.
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Anaam, M. N.
Andrei, C.
Andreou, D.
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Ahammed, Z.
Ahn, S. U.
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Akindinov, A.
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Aleksandrov, D.
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Alexandre, D.
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EUROPEAN PHYSICAL JOURNAL C, 2016, 76 (04):
[5] Multiplicity dependence of inclusive J/ψ production at midrapidity in pp collisions at √s=13 TeV
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Adamova, D.
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Rinella, G. Aglieri
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Agrawal, N.
Ahammed, Z.
Ahmad, S.
Ahn, S. U.
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Alam, S. N.
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Aleksandrov, D.
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PHYSICS LETTERS B, 2020, 810
[6] Inclusive J/ψ production in pp collisions at √s=2.76 TeV
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Altsybeev, I.
Andrei, C.
Andronic, A.
Anguelov, V.
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Anson, C.
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Antinori, F.
Antonioli, P.
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Armesto, N.
Arnaldi, R.
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Adolfsson, J.
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Agrawal, N.
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Akindinov, A.
Al-Turany, M.
Alam, S. N.
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Alessandro, B.
Molina, R. Alfaro
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Arnaldi, R.
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[9] Rapidity and transverse-momentum dependence of the inclusive J/ψ nuclear modification factor in p-Pb collisions at √sNN=5.02 TeV
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Anguelov, V.
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Appelshaeuser, H.
Arcelli, S.
Armesto, N.
Arnaldi, R.
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Averbeck, R.
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[10] Inclusive J/ψ production at midrapidity in pp collisions at √s=13 Tev
Acharya, S.
Adamova, D.
Adler, A.
Rinella, G. Aglieri
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Agrawal, N.
Ahammed, Z.
Ahmad, S.
Ahn, S. U.
Ahuja, I
Akbar, Z.
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Alam, S. N.
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Ali, B.
Ali, Y.
Alici, A.
Alizadehvandchali, N.
Alkin, A.
Alme, J.
Alt, T.
Altenkamper, L.
Altsybeev, I
Anaam, M. N.
Andrei, C.
Andreou, D.
Andronic, A.
Angeletti, M.
Anguelov, V
Antinori, F.
Antonioli, P.
Anuj, C.
Apadula, N.
Aphecetche, L.
Appelshauser, H.
Arcelli, S.
Arnaldi, R.
Arsene, I. C.
Arslandok, M.
Augustinus, A.
Averbeck, R.
Aziz, S.
Azmi, M. D.
Badala, A.
Baek, Y. W.
Bai, X.
EUROPEAN PHYSICAL JOURNAL C, 2021, 81 (12):

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