Measurement of J/ψ production cross-sections in pp collisions at $$ \sqrt{s} $$ = 5 TeV

descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint 01 Nov 2021Embargo end date: 15 Dec 2021 Netherlands, Spain, Germany, France, United States, Netherlands, France, France, France, Italy, Netherlands, United States, Sweden, Germany, United Kingdom English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,021 (eissn: 1029-8479,

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Authors: Aaij, R.; Abdelmotteleb, A. S. W.; Ajaltouni, Z.; Borsuk, J. T.; Zhukov, V.; Zonneveld, J. B.; Zou, Q.; +193 Authors

Aaij, R.; Abdelmotteleb, A. S. W.; Ajaltouni, Z.; Borsuk, J. T.; Zhukov, V.; Zonneveld, J. B.; Zou, Q.; Zucchelli, S.; Zuliani, D.; Zunica, G.; LHCb Collaboration; Bouchiba, S. A.; Bowcock, T. J. V.; Boyer, A.; Bozzi, C.; Bradley, M. J.; Braun, S.; Rodriguez, A. Brea; Brodski, M.; Brodzicka, J.; Akar, S.; Gonzalo, A. Brossa; Brundu, D.; Buonaura, A.; Buonincontri, L.; Burke, A. T.; Burr, C.; Bursche, A.; Butkevich, A.; Butter, J. S.; Buytaert, J.; Albrecht, J.; Byczynski, W.; Cadeddu, S.; Cai, H.; Calabrese, R.; Calefice, L.; Diaz, L. Calero; Cali, S.; Calladine, R.; Calvi, M.; Gomez, M. Calvo; Alessio, F.; Magalhaes, P. Camargo; Campana, P.; Quezada, A. F. Campoverde; Capelli, S.; Capriotti, L.; Carbone, A.; Carboni, G.; Cardinale, R.; Cardini, A.; Carli, I.; Alexander, M.; Carniti, P.; Carus, L.; Akiba, K. Carvalho; Vidal, A. Casais; Casse, G.; Cattaneo, M.; Cavallero, G.; Celani, S.; Cerasoli, J.; Cervenkov, D.; Albero, A. Alfonso; Chadwick, A. J.; Chapman, M. G.; Charles, M.; Charpentier, Philippe; Charpentier, Ph.; Chatzikonstantinidis, G.; Barajas, C. A. Chavez; Chefdeville, M.; Chen, C.; Chen, S.; Aliouche, Z.; Chernov, A.; Chobanova, V.; Cholak, S.; Chrzaszcz, M.; Chubykin, A.; Chulikov, V.; Ciambrone, P.; Cicala, M. F.; Vidal, X. Cid; Ciezarek, G.; Alkhazov, G.; Clarke, P. E. L.; Clemencic, M.; Cliff, H. V.; Closier, J.; Cobbledick, J. L.; Coco, V.; Coelho, J. A. B.; Cogan, J.; Cogneras, E.; Cojocariu, L.; Cartelle, P. Alvarez; Collins, P.; Colombo, T.; Congedo, L.; Contu, A.; Cooke, N.; Coombs, G.; Corredoira, I.; Corti, G.; Sobral, C. M. Costa; Couturier, B.; Amato, S.; Craik, D. C.; Crkovská, J.; Torres, M. Cruz; Currie, R.; Da Silva, C. L.; Dadabaev, S.; Dai, L.; Dall'Occo, E.; Dalseno, J.; D'Ambrosio, C.; Beteta, C. Abellán; Amey, J. L.; Danilina, A.; d'Argent, P.; Davies, J. E.; Davis, A.; Francisco, O. De Aguiar; De Bruyn, K.; De Capua, S.; De Cian, M.; De Miranda, J. M.; De Paula, L.; Amhis, Y.; De Serio, M.; De Simone, D.; De Simone, P.; de Vries, J. A.; Dean, C. T.; Decamp, D.; Dedu, V.; Del Buono, L.; Delaney, B.; Dembinski, H.-P.; An, L.; Dendek, A.; Denysenko, V.; Derkach, D.; Deschamps, O.; Desse, F.; Dettori, F.; Dey, B.; Di Cicco, A.; Di Nezza, P.; Didenko, S.; Anderlini, L.; Maronas, L. Dieste; Dijkstra, H.; Dobishuk, V.; Dong, C.; Donohoe, A. M.; Dordei, F.; Reis, A. C. dos; Douglas, L.; Dovbnya, A.; Downes, A. G.; Andreianov, A.; Dudek, M. W.; Dufour, L.; Duk, V.; Durante, P.; Durham, J. M.; Dutta, D.; Dziurda, A.; Dzyuba, A.; Easo, S.; Egede, U.; Andreotti, M.; Egorychev, V.; Eidelman, S.; Eisenhardt, S.; Ek-In, S.; Eklund, L.; Ely, S.; Ene, A.; Epple, E.; Escher, S.; Eschle, J.; Archilli, F.; Esen, S.; Evans, T.; Falabella, A.; Fan, J.; Fan, Y.; Fang, B.; Farry, S.; Fazzini, D.; Féo, M.; Prieto, A. Fernandez; Artamonov, A.; Fernez, A. D.; Ferrari, F.;

doi: 10.1007/jhep11(2021)181 , 10.18154/rwth-2022-00265 , 10.18154/rwth-2022-00447 , 10.17863/cam.78920 , 10.48550/arxiv.2109.00220 , 10.7302/5101 , 10.3204/pubdb-2022-00416

arXiv: 2109.00220

handle: 2445/185478 , 1871.1/eabae35a-766d-4cbc-bc4e-f864af6e0025 , 11370/fab57a8b-d3d7-47d6-a9a8-812c26b5895a , 2434/1024673 , 10281/340212 , 10446/275481 , 21.11116/0000-0009-DD98-3 , 11576/2695991 , 2108/302998 , 11380/1354179 , 11573/1673373 , 11584/334771 , 11392/2476494 , 11568/1210521 , 11384/113082 , 11585/849175 , 11586/379241 , 1721.1/138320 , 2027.42/173370

Measurement of J/ψ production cross-sections in pp collisions at $$ \sqrt{s} $$ = 5 TeV

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Abstract

Abstract The production cross-sections of J/ψ mesons in proton-proton collisions at a centre-of-mass energy of $$ \sqrt{s} $$ s = 5 TeV are measured using a data sample corresponding to an integrated luminosity of 9.13 ± 0.18 pb−1, collected by the LHCb experiment. The cross-sections are measured differentially as a function of transverse momentum, pT, and rapidity, y, and separately for J/ψ mesons produced promptly and from beauty hadron decays (nonprompt). With the assumption of unpolarised J/ψ mesons, the production cross-sections integrated over the kinematic range 0 < pT< 20 GeV/c and 2.0 < y < 4.5 are$$ {\displaystyle \begin{array}{c}{\sigma}_{\mathrm{prompt}}\ J/\psi =8.154\pm 0.010\pm 0.283\ \upmu \mathrm{b},\\ {}{\sigma}_{\mathrm{nonprompt}}\ J/\psi =0.820\pm 0.003\pm 0.034\ \upmu \mathrm{b},\end{array}} $$ σ prompt J / ψ = 8.154 ± 0.010 ± 0.283 μb , σ nonprompt J / ψ = 0.820 ± 0.003 ± 0.034 μb , where the first uncertainties are statistical and the second systematic. These cross-sections are compared with those at $$ \sqrt{s} $$ s = 8 TeV and 13 TeV, and are used to update the measurement of the nuclear modification factor in proton-lead collisions for J/ψ mesons at a centre-of-mass energy per nucleon pair of $$ \sqrt{s_{\mathrm{NN}}} $$ s NN = 5 TeV. The results are compared with theoretical predictions.

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Netherlands, Spain, Germany, France, United States, Netherlands, France, France, France, Italy, Netherlands, United States, Sweden, Germany, United Kingdom

Related Organizations

Massachusetts Institute of Technology
United States
University of Modena and Reggio Emilia
Italy
University of Pisa
Italy
Advanced Light Source
United States
Maastricht University
Netherlands

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Keywords

4902 Mathematical Physics, 13000 GeV-cms, p nucleus: interaction, Quarkonium, QC770-798, transverse momentum dependence, High Energy Physics - Experiment, rapidity dependence, Subatomär fysik, High Energy Physics - Experiment (hep-ex), Hadron-Hadron scattering (experiments), Subatomic Physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], LHCb - Abteilung Hinton, info:eu-repo/classification/ddc/530, QC, 8000 GeV-cms, Hadron-Hadron scattering (experiments), Heavy quark production, QCD, Quarkonium, Particle physics, higher-order: 1, perturbation theory: higher-order, J-PSI, muon: pair production, J/psi(3100): leptonic decay, error: statistical, kinematics, Hadron-Hadron scattering (experiments); Heavy quark production; QCD; Quarkonium, J/psi(3100): direct production, 51 Physical Sciences, channel cross section: measured, 5107 Particle and High Energy Physics, HADRONIC PRODUCTION, Settore FIS/04 - FISICA NUCLEARE E SUBNUCLEARE, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], 5000 GeV-cms/nucleon, FOS: Physical sciences, Hadrons, 530, J/psi(3100): hadroproduction, differential cross section: measured, Physics; HEP; LHC; LHCb; Particles and fields; Heavy quark production; QCD; Quarkonium; Hadron-Hadron scattering (experiments); Hadron colliders;, Nuclear and particle physics. Atomic energy. Radioactivity, Hadron-Hadron scattering (experiments); Heavy quark production; QCD; Quarkonium;, 5000 GeV-cms, SDG 7 - Affordable and Clean Energy, quantum chromodynamics: perturbation theory, Large Hadron Collider (France and Switzerland), lead, Gran Col·lisionador d'Hadrons, 500, nuclear matter: effect, QCD, LHC-B, LHCb, mass spectrum: (muon+ muon-), Heavy quark production, 49 Mathematical Sciences, 5106 Nuclear and Plasma Physics, Física de partícules, Experiments, experimental results

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