Measurement of exclusive Υ photoproduction from protons in pPb collisions at √sNN=5.02 Tev

被引：1

作者：

Sirunyan, A. M. ^{[2
]}

Tumasyan, A. ^{[2
]}

Adam, W. ^{[3
]}

Ambrogi, F. ^{[3
]}

Asilar, E. ^{[3
]}

Bergauer, T. ^{[3
]}

Brandstetter, J. ^{[3
]}

Brondolin, E. ^{[3
]}

Dragicevic, M. ^{[3
]}

Eroe, J. ^{[3
]}

Del Valle, A. Escalante ^{[3
]}

Flechl, M. ^{[3
]}

Friedl, M. ^{[3
]}

Fruehwirth, R. ^{[3
,202
]}

Ghete, V. M. ^{[3
]}

Grossmann, J. ^{[3
]}

Hrubec, J. ^{[3
]}

Jeitler, M. ^{[3
,202
]}

Koenig, A. ^{[3
]}

Krammer, N. ^{[3
]}

Kraetschmer, I ^{[3
]}

Liko, D. ^{[3
]}

Madlener, T. ^{[3
]}

Mikulec, I ^{[3
]}

Pree, E. ^{[3
]}

Rad, N. ^{[3
]}

Rohringer, H. ^{[3
]}

Schieck, J. ^{[3
,202
]}

Schoefbeck, R. ^{[3
]}

Spanring, M. ^{[3
]}

Spitzbart, D. ^{[3
]}

Taurok, A. ^{[3
]}

Waltenberger, W. ^{[3
]}

Wittmann, J. ^{[3
]}

Wulz, C-E ^{[3
,202
]}

Zarucki, M. ^{[3
]}

Chekhovsky, V ^{[4
]}

Mossolov, V ^{[4
]}

Gonzalez, J. Suarez ^{[4
]}

De Wolf, E. A. ^{[5
]}

Di Croce, D. ^{[5
]}

Janssen, X. ^{[5
]}

Lauwers, J. ^{[5
]}

Pieters, M. ^{[5
]}

Van De Klundert, M. ^{[5
]}

Van Haevermaet, H. ^{[5
]}

Van Mechelen, P. ^{[5
]}

Van Remortel, N. ^{[5
]}

Abu Zeid, S. ^{[6
]}

Blekman, F. ^{[6
]}

机构：

[1] CERN, CH-1211 Geneva 23, Switzerland

[2] Yerevan Phys Inst, Yerevan, Armenia

[3] Inst Hochenergiephys, Vienna, Austria

[4] Inst Nucl Problems, Minsk, BELARUS

[5] Univ Antwerp, Antwerp, Belgium

[6] Vrije Univ Brussel, Brussels, Belgium

[7] Univ Libre Bruxelles, Brussels, Belgium

[8] Univ Ghent, Ghent, Belgium

[9] Catholic Univ Louvain, Louvain La Neuve, Belgium

[10] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[11] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil

[12] Univ Estadual Paulista, Sao Paulo, Brazil

[13] Univ Fed ABC, Sao Paulo, Brazil

[14] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria

[15] Univ Sofia, Sofia, Bulgaria

[16] Beihang Univ, Beijing, Peoples R China

[17] Inst High Energy Phys, Beijing, Peoples R China

[18] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China

[19] Tsinghua Univ, Beijing, Peoples R China

[20] Univ Los Andes, Bogota, Colombia

[21] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia

[22] Univ Split, Fac Sci, Split, Croatia

[23] Inst Rudjer Boskovic, Zagreb, Croatia

[24] Univ Cyprus, Nicosia, Cyprus

[25] Charles Univ Prague, Prague, Czech Republic

[26] Univ San Francisco Quito, Quito, Ecuador

[27] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, Cairo, Egypt

[28] NICPB, Tallinn, Estonia

[29] Univ Helsinki, Dept Phys, Helsinki, Finland

[30] Helsinki Inst Phys, Helsinki, Finland

[31] Lappeenranta Univ Technol, Lappeenranta, Finland

[32] Univ Paris Saclay, IRFU, CEA, Gif Sur Yvette, France

[33] Univ Paris Saclay, Lab Leprince Ringuet, Ecole Polytech, CNRS IN2P3, Palaiseau, France

[34] Univ Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France

[35] CNRS, IN2P3, Ctr Calcul, Villeurbanne, France

[36] Univ Claude Bernard Lyon 1, Univ Lyon, CNRS IN2P3, Inst Phys Nucl Lyon, Villeurbanne, France

[37] Georgian Tech Univ, Tbilisi, Georgia

[38] Tbilisi State Univ, Tbilisi, Georgia

[39] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany

[40] Rhein Westfal TH Aachen, Phys Inst A3, Aachen, Germany

[41] Rhein Westfal TH Aachen, Phys Inst B3, Aachen, Germany

[42] Deutsch Elekt Synchrotron, Hamburg, Germany

[43] Univ Hamburg, Hamburg, Germany

[44] Karlsruher Inst Technol, Karlsruhe, Germany

[45] NCSR Demokritos, INPP, Aghia Paraskevi, Greece

[46] Natl & Kapodistrian Univ Athens, Athens, Greece

[47] Natl Tech Univ Athens, Athens, Greece

[48] Univ Ioannina, Ioannina, Greece

[49] Eotvos Lorgind Univ, MTA ELTE Lendulet CMS Particle & Nucl Phys Grp, Budapest, Hungary

[50] Wigner Res Ctr Phys, Budapest, Hungary

来源：

EUROPEAN PHYSICAL JOURNAL C | 2019年 / 79卷 / 03期

基金：

欧盟地平线“2020”; 巴西圣保罗研究基金会; 欧洲研究理事会; 芬兰科学院;

关键词：

CMS; UPC; photoproduction; Y; pPb; MESONS; GLUON; J/PSI; POMERON;

D O I：

10.1140/epjc/s10052-019-6774-8

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The exclusive photoproduction of (nS) meson states from protons, (nS) p (with n = 1, 2, 3), is studied in ultraperipheral pPb collisions at a centre-of-mass energy per nucleon pair of The measurement is performed using the decay mode, with data collected by the CMS experiment corresponding to an integrated luminosity of 32.6 nb(-1). Differential cross sections as functions of the nS) transverse momentum squared and rapidity y, are presented. The 1S) photoproduction cross section is extracted in the rapidity range < 2.2, which corresponds to photon-proton centre-of-mass energies in the range 91 W < 826 GeV. The data are compared to theoretical predictions based on perturbative quantum chromodynamics and to previous measurements.

引用

页数：26

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