BibTex format
@article{Aaij:2025:10.21468/SciPostPhys.18.2.071,
author = {Aaij, R and Abdelmotteleb, ASW and Abellan, Beteta C and Abudinén, F and Ackernley, T and Adefisoye, AA and Adeva, B and Adinolfi, M and Adlarson, P and Agapopoulou, C and Aidala, CA and Ajaltouni, Z and Akar, S and Akiba, K and Albicocco, P and Albrecht, J and Alessio, F and Alexander, M and Aliouche, Z and Alvarez, Cartelle P and Amalric, R and Amato, S and Amey, JL and Amhis, Y and An, L and Anderlini, L and Andersson, M and Andreianov, A and Andreola, P and Andreotti, M and Andreou, D and Anelli, A and Ao, D and Archilli, F and Argenton, M and Arguedas, Cuendis S and Artamonov, A and Artuso, M and Aslanides, E and Ataíde, Da Silva R and Atzeni, M and Audurier, B and Bacher, D and Bachiller, Perea I and Bachmann, S and Bachmayer, M and Back, JJ and Baladron, Rodriguez P and Balagura, V and Baldini, W and Bao, H and Baptista, de Souza Leite J and Barbetti, M and Barbosa, IR and Barlow, RJ and Barnyakov, M and Barsuk, S and Barter, W and Bartolini, M and Bartz, J and Basels, JM and Ba},
doi = {10.21468/SciPostPhys.18.2.071},
journal = {SciPost Physics},
title = {Measurement of exclusive J/ψ and ψ(2S) production at <sup>p</sup>s = 13 TeV},
url = {http://dx.doi.org/10.21468/SciPostPhys.18.2.071},
volume = {18},
year = {2025}
}
RIS format (EndNote, RefMan)
TY - JOUR
AB - Measurements are presented of the cross-section for the central exclusive production of J/ψ → µ+µ− and ψ(2S) → µ+µ− processes in proton-proton collisions at ps = 13 TeV with 2016–2018 data. They are performed by requiring both muons to be in the LHCb acceptance (with pseudorapidity 2 < ηµ± < 4.5) and mesons in the rapidity range 2.0 < y < 4.5. The integrated cross-section results are σJ/ψ→µ+µ−(2.0 < yJ/ψ < 4.5, 2.0 < ηµ± < 4.5) = 400 ± 2 ± 5 ± 12 pb, σψ(2S)→µ+µ−(2.0 < yψ(2S) < 4.5, 2.0 < ηµ± < 4.5) = 9.40 ± 0.15 ± 0.13 ± 0.27 pb, where the uncertainties are statistical, systematic and due to the luminosity determination. In addition, a measurement of the ratio of ψ(2S) and J/ψ cross-sections, at an average photon-proton centre-of-mass energy of 1 TeV, is performed, giving σψ(2S) = 0.1763 ± 0.0029 ± 0.0008 ± 0.0039, σJ/ψ where the first uncertainty is statistical, the second systematic and the third due to the knowledge of the involved branching fractions. For the first time, the dependence of the J/ψ and ψ(2S) cross-sections on the total transverse momentum transfer is determined in pp collisions and is found consistent with the behaviour observed in electron-proton collisions.
AU - Aaij,R
AU - Abdelmotteleb,ASW
AU - Abellan,Beteta C
AU - Abudinén,F
AU - Ackernley,T
AU - Adefisoye,AA
AU - Adeva,B
AU - Adinolfi,M
AU - Adlarson,P
AU - Agapopoulou,C
AU - Aidala,CA
AU - Ajaltouni,Z
AU - Akar,S
AU - Akiba,K
AU - Albicocco,P
AU - Albrecht,J
AU - Alessio,F
AU - Alexander,M
AU - Aliouche,Z
AU - Alvarez,Cartelle P
AU - Amalric,R
AU - Amato,S
AU - Amey,JL
AU - Amhis,Y
AU - An,L
AU - Anderlini,L
AU - Andersson,M
AU - Andreianov,A
AU - Andreola,P
AU - Andreotti,M
AU - Andreou,D
AU - Anelli,A
AU - Ao,D
AU - Archilli,F
AU - Argenton,M
AU - Arguedas,Cuendis S
AU - Artamonov,A
AU - Artuso,M
AU - Aslanides,E
AU - Ataíde,Da Silva R
AU - Atzeni,M
AU - Audurier,B
AU - Bacher,D
AU - Bachiller,Perea I
AU - Bachmann,S
AU - Bachmayer,M
AU - Back,JJ
AU - Baladron,Rodriguez P
AU - Balagura,V
AU - Baldini,W
AU - Bao,H
AU - Baptista,de Souza Leite J
AU - Barbetti,M
AU - Barbosa,IR
AU - Barlow,RJ
AU - Barnyakov,M
AU - Barsuk,S
AU - Barter,W
AU - Bartolini,M
AU - Bartz,J
AU - Basels,JM
AU - Bassi,G
AU - Batsukh,B
AU - Bay,A
AU - Beck,A
AU - Becker,M
AU - Bedeschi,F
AU - Bediaga,IB
AU - Belin,S
AU - Bellee,V
AU - Belous,K
AU - Belov,I
AU - Belyaev,I
AU - Benane,G
AU - Bencivenni,G
AU - Ben-Haim,E
AU - Berezhnoy,A
AU - Bernet,R
AU - Bernet,Andres S
AU - Bertolin,A
AU - Betancourt,C
AU - Betti,F
AU - Bex,J
AU - Bezshyiko,I
AU - Bhom,J
AU - Bieker,MS
AU - Biesuz,NV
AU - Billoir,P
AU - Biolchini,A
AU - Birch,M
AU - Bishop,FCR
AU - Bitadze,A
AU - Bizzeti,A
AU - Blake,T
AU - Blanc,F
AU - Blank,JE
AU - Blusk,S
AU - Bocharnikov,V
AU - Boelhauve,JA
AU - Boente,Garcia O
DO - 10.21468/SciPostPhys.18.2.071
PY - 2025///
TI - Measurement of exclusive J/ψ and ψ(2S) production at <sup>p</sup>s = 13 TeV
T2 - SciPost Physics
UR - http://dx.doi.org/10.21468/SciPostPhys.18.2.071
VL - 18
ER -