Central exclusive production of J/ψ and (2S) mesons in pp collisions at p s=13 TeV

被引：0

作者：

Aaij, R. ^{[27
]}

Adeva, B. ^{[41
]}

Adinolfi, M. ^{[48
]}

Aidala, C. A. ^{[73
]}

Ajaltouni, Z. ^{[5
]}

Akar, S. ^{[59
]}

Albicocco, P. ^{[18
]}

Albrecht, J. ^{[10
]}

Alessio, F. ^{[42
]}

Alexander, M. ^{[53
]}

Alfonso Albero, A. ^{[40
]}

Ali, S. ^{[27
]}

Alkhazov, G. ^{[33
]}

Cartelle, P. Alvarez ^{[55
]}

Alves, A. A., Jr. ^{[59
]}

Amato, S. ^{[2
]}

Amerio, S. ^{[23
]}

Amhis, Y. ^{[7
]}

An, L. ^{[3
]}

Anderlini, L. ^{[17
]}

Andreassi, G. ^{[43
]}

Andreotti, M. ^{[16
,81
]}

Andrews, J. E. ^{[60
]}

Appleby, R. B. ^{[56
]}

Archilli, F. ^{[27
]}

d'Argent, P. ^{[12
]}

Romeu, J. Arnau ^{[6
]}

Artamonov, A. ^{[39
]}

Artuso, M. ^{[61
]}

Arzymatov, K. ^{[37
]}

Aslanides, E. ^{[6
]}

Atzeni, M. ^{[44
]}

Bachmann, S. ^{[12
]}

Back, J. J. ^{[50
]}

Baker, S. ^{[55
]}

Balagura, V. ^{[7
,76
]}

Baldini, W. ^{[16
]}

Baranov, A. ^{[37
]}

Barlow, R. J. ^{[56
]}

Barsuk, S. ^{[7
]}

Barter, W. ^{[56
]}

Baryshnikov, F. ^{[70
]}

Batozskaya, V. ^{[31
]}

Batsukh, B. ^{[61
]}

Battista, V. ^{[43
]}

Bay, A. ^{[43
]}

Beddow, J. ^{[53
]}

Bedeschi, F. ^{[24
]}

Bediaga, I. ^{[1
]}

Beiter, A. ^{[61
]}

机构：

[1] CBPF, Rio De Janeiro, Brazil

[2] Univ Fed Rio de Janeiro, Rio de Janeiro, Brazil

[3] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China

[4] Univ Savoie Mt Blanc, Univ Grenoble Alpes, CNRS, IN2P3,LAPP, Annecy, France

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

[6] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France

[7] Univ Paris Saclay, Univ Paris Sud, CNRS, LAL,IN2P3, Orsay, France

[8] Sorbonne Univ, Paris Diderot Sorbonne Paris Cite, CNRS, LPNHE,IN2P3, Paris, France

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

[10] Tech Univ Dortmund, Fak Phys, Dortmund, Germany

[11] MPIK, Heidelberg, Germany

[12] Heidelberg Univ, Phys Inst, Heidelberg, Germany

[13] Univ Coll Dublin, Sch Phys, Dublin, Ireland

[14] INFN, Sez Bari, Bari, Italy

[15] INFN, Sez Bologna, Bologna, Italy

[16] INFN, Sez Ferrara, Ferrara, Italy

[17] INFN, Sez Firenze, Florence, Italy

[18] INFN, Lab Nazl Frascati, Frascati, Italy

[19] INFN, Sez Genova, Genoa, Italy

[20] INFN, Sez Milano Bicocca, Milan, Italy

[21] INFN, Sez Milano, Milan, Italy

[22] INFN, Sez Cagliari, Monserrato, Italy

[23] INFN, Sez Padova, Padua, Italy

[24] INFN, Sez Pisa, Pisa, Italy

[25] INFN, Sez Roma Tor Vergata, Rome, Italy

[26] INFN, Sez Roma Sapienza, Rome, Italy

[27] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands

[28] Vrije Univ Amsterdam, Amsterdam, Netherlands

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

[30] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland

[31] Natl Ctr Nucl Res, NCBJ, Warsaw, Poland

[32] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[33] PNPI, Gatchina, Russia

[34] ITEP, Moscow, Russia

[35] MSU, Inst Nucl Phys, SINP, Moscow, Russia

[36] RAS, INR, Moscow, Russia

[37] Yandex Sch Data Anal, Moscow, Russia

[38] RAS, SB, Budker Inst Nucl Phys, Novosibirsk, Russia

[39] IHEP, Protvino, Russia

[40] Univ Barcelona, ICCUB, Barcelona, Spain

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

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

[43] Ecole Polytech Fed Lausanne, Inst Phys, Lausanne, Switzerland

[44] Univ Zurich, Phys Inst, Zurich, Switzerland

[45] NSC Kharkiv Inst Phys & Technol, NSC KIPT, Kharkov, Ukraine

[46] Natl Acad Sci, KINR, Inst Nucl Res, Kiev, Ukraine

[47] Univ Birmingham, Birmingham, W Midlands, England

[48] Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England

[49] Univ Cambridge, Cavendish Lab, Cambridge, England

[50] Univ Warwick, Dept Phys, Coventry, W Midlands, England

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 10期

关键词：

Charm physics; Forward physics; Hadron-Hadron scattering (experiments); Particle and resonance production; Quarkonium; PHOTOPRODUCTION;

D O I：

10.1007/JHEP10(2018)167

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：

Measurements are reported of the central exclusive production of J= and ( 2 S) mesons in pp collisions at a centre- of- mass energy of 13TeV. Backgrounds are signi fi cantly reduced compared to previous measurements made at lower energies through the use of new forward shower counters. The products of the cross- sections and the branching fractions for the decays to dimuons, where both muons are within the pseudorapidity range 2 : 0 < < 4 : 5, are measured to be The fi rst uncertainties are statistical, the second are systematic, and the third are due to the luminosity determination. The cross- sections are also measured di ff erentially for meson rapidities between 2.0 and 4.5. Good agreement is observed with theoretical predictions. Photoproduction cross- sections are derived and compared to previous experiments, and a deviation from a pure power- law extrapolation of lower energy data is observed.

引用

页数：27

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