Inclusive J/ψ production at midrapidity in pp collisions at √s=13 Tev

被引：0

作者：

Acharya, S. ^{[156
]}

Adamova, D. ^{[110
]}

Adler, A. ^{[88
]}

Rinella, G. Aglieri ^{[47
]}

Agnello, M. ^{[31
,41
]}

Agrawal, N. ^{[67
]}

Ahammed, Z. ^{[156
]}

Ahmad, S. ^{[18
]}

Ahn, S. U. ^{[90
]}

Ahuja, I ^{[51
]}

Akbar, Z. ^{[64
]}

Akindinov, A. ^{[107
]}

Al-Turany, M. ^{[122
,123
]}

Alam, S. N. ^{[18
,53
]}

Aleksandrov, D. ^{[103
]}

Alessandro, B. ^{[73
]}

Alfanda, H. M. ^{[8
]}

Alfaro Molina, R. ^{[85
]}

Ali, B. ^{[18
]}

Ali, Y. ^{[16
]}

Alici, A. ^{[32
,33
]}

Alizadehvandchali, N. ^{[140
]}

Alkin, A. ^{[47
]}

Alme, J. ^{[23
]}

Alt, T. ^{[82
]}

Altenkamper, L. ^{[23
]}

Altsybeev, I ^{[128
]}

Anaam, M. N. ^{[8
]}

Andrei, C. ^{[61
]}

Andreou, D. ^{[105
]}

Andronic, A. ^{[159
]}

Angeletti, M. ^{[47
]}

Anguelov, V ^{[119
]}

Antinori, F. ^{[70
]}

Antonioli, P. ^{[67
]}

Anuj, C. ^{[18
]}

Apadula, N. ^{[94
]}

Aphecetche, L. ^{[130
]}

Appelshauser, H. ^{[82
]}

Arcelli, S. ^{[32
,33
]}

Arnaldi, R. ^{[73
]}

Arsene, I. C. ^{[22
]}

Arslandok, M. ^{[119
,161
]}

Augustinus, A. ^{[47
]}

Averbeck, R. ^{[122
,123
]}

Aziz, S. ^{[92
]}

Azmi, M. D. ^{[18
]}

Badala, A. ^{[69
]}

Baek, Y. W. ^{[54
]}

Bai, X. ^{[122
,123
,144
]}

机构：

[1] Yerevan Phys Inst Fdn, AI Alikhanyan Natl Sci Lab, Yerevan, Armenia

[2] AGH Univ Sci & Technol, Krakow, Poland

[3] Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, Kiev, Ukraine

[4] Bose Inst, Dept Phys, Kolkata, India

[5] Bose Inst, Ctr Astroparticle Phys & Space Sci CAPSS, Kolkata, India

[6] Budker Inst Nucl Phys, Novosibirsk, Russia

[7] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA

[8] Cent China Normal Univ, Wuhan, Peoples R China

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

[10] Ctr Invest & Estudios Avanzados CINVESTAV, Mexico City, DF, Mexico

[11] Ctr Invest & Estudios Avanzados CINVESTAV, Merida, Mexico

[12] Chicago State Univ, Chicago, IL USA

[13] China Inst Atom Energy, Beijing, Peoples R China

[14] Chungbuk Natl Univ, Cheongju, South Korea

[15] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia

[16] COMSATS Univ Islamabad, Islamabad, Pakistan

[17] Creighton Univ, Omaha, NE 68178 USA

[18] Aligarh Muslim Univ, Dept Phys, Aligarh, Uttar Pradesh, India

[19] Pusan Natl Univ, Dept Phys, Pusan, South Korea

[20] Sejong Univ, Dept Phys, Seoul, South Korea

[21] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[22] Univ Oslo, Dept Phys, Oslo, Norway

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

[24] Univ Roma La Sapienza, Dipartimento Fis, Rome, Italy

[25] Sezione Ist Nazl Fis Nucl, Rome, Italy

[26] Univ Cagliari, Dipartimento Fis, Cagliari, Italy

[27] Sezione Ist Nazl Fis Nucl, Cagliari, Italy

[28] Univ Trieste, Dipartimento Fis, Trieste, Italy

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

[30] Univ Turin, Dipartimento Fis, Turin, Italy

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

[32] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

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

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

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

[36] Univ Padua, Dipartimento Fis & Astron, Padua, Italy

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

[38] Univ Pavia, Dipartimento Fis & Nucl & Teor, Pavia, Italy

[39] Univ Salerno, Dipartimento Fis ER Caianiello, Salerno, Italy

[40] Grp Collegato INFN, Salerno, Italy

[41] Politecn Torino, Dipartimento DISAT, Turin, Italy

[42] Univ Piemonte Orientale, Dipartimento Sci & Innovaz Tecnol, Alessandria, Italy

[43] Ist Nazl Fis Nucl, Sez Torino, Alessandria, Italy

[44] Univ Messina, Dipartimento Sci MIFT, Messina, Italy

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

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

[47] European Org Nucl Res CERN, Geneva, Switzerland

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

[49] Western Norway Univ Appl Sci, Fac Engn & Sci, Bergen, Norway

[50] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague, Czech Republic

来源：

EUROPEAN PHYSICAL JOURNAL C | 2021年 / 81卷 / 12期

基金：

瑞典研究理事会; 新加坡国家研究基金会; 美国能源部; 奥地利科学基金会; 中国国家自然科学基金; 巴西圣保罗研究基金会; 欧盟地平线“2020”; 俄罗斯基础研究基金会; 美国国家科学基金会; 英国科学技术设施理事会; 俄罗斯科学基金会; 日本学术振兴会;

关键词：

PRODUCTION CROSS-SECTIONS; J-PSI; QUARKONIUM PRODUCTION; HADRONIC PRODUCTION; UPSILON; MULTIPLICITY; DEPENDENCE; RAPIDITY; MESON;

D O I：

10.1140/epjc/s10052-021-09873-4

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：

We report on the inclusive J/psi production cross section measured at the CERN Large Hadron Collider in proton-proton collisions at a center-of-mass energy root s = 13 TeV. The J/psi mesons are reconstructed in the e(+)e(-) decay channel and the measurements are performed at midrapidity (vertical bar y vertical bar < 0.9) in the transverse-momentum interval 0 < p(T) < 40 GeV/c, using a minimum-bias data sample corresponding to an integrated luminosity L-int = 32.2 nb(-1) and an Electromagnetic Calorimeter triggered data sample with L-int = 8.3 pb(-1). The p(T)-integrated J/psi production cross section at midrapidity, computed using the minimumbias data sample, is d sigma/dy vertical bar(y) =0 = 8.97 +/- 0.24 (stat) 0.48 (syst) +/- 0.15 (lumi) mu b. An approximate logarithmic dependence with the collision energy is suggested by these results and available world data, in agreement with model predictions. The integrated and p(T)-differential measurements are compared with measurements in pp collisions at lower energies and with several recent phenomenological calculations based on the non-relativistic QCD and Color Evaporation models.

引用

页数：18

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