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Measurement of χc1(3872) production in proton-proton collisions at √s = 8 and 13 TeV

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LHCb collaboration (Including:

Abdelmotteleb, A. S. W., Abudinen Gallego, F. J., Back, J. J., Beck, A., Blake, T., Brossa Gonzalo, A., Cicala, M. F., Costa Sobral, C. M., Garcia Martin, L. M., Gershon, T. J. et al.
). (2022) Measurement of χc1(3872) production in proton-proton collisions at √s = 8 and 13 TeV. Journal of High Energy Physics, 2022 (1). 131. doi:10.1007/JHEP01(2022)131 ISSN 1029-8479.

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Official URL: https://doi.org/10.1007/JHEP01(2022)131

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Abstract

The production cross-section of the χc1(3872) state relative to the ψ(2S) meson is measured using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of s√s = 8 and 13 TeV, corresponding to integrated luminosities of 2.0 and 5.4 fb−1, respectively. The two mesons are reconstructed in the J/ψπ+π− final state. The ratios of the prompt and nonprompt χc1(3872) to ψ(2S) production cross-sections are measured as a function of transverse momentum, pT, and rapidity, y, of the χc1(3872) and ψ(2S) states, in the kinematic range 4 < pT < 20 GeV/c and 2.0 < y < 4.5. The prompt ratio is found to increase with pT, independently of y. For the prompt component, the double ratio of the χc1(3872) and ψ(2S) production cross-sections between 13 and 8 TeV is observed to be consistent with unity, independent of pT and centre-of-mass energy.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH): Proton-proton interactions, Large Hadron Collider (France and Switzerland), Mesons -- Scattering
Journal or Publication Title: Journal of High Energy Physics
Publisher: Springer
ISSN: 1029-8479
Official Date: 24 January 2022
Dates:
DateEvent
24 January 2022Published
7 January 2022Accepted
Volume: 2022
Number: 1
Article Number: 131
DOI: 10.1007/JHEP01(2022)131
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 11 March 2022
Date of first compliant Open Access: 11 March 2022
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDCERNhttp://dx.doi.org/10.13039/100012470
UNSPECIFIEDCoordenação de Aperfeiçoamento de Pessoal de Nível Superiorhttp://dx.doi.org/10.13039/501100002322
UNSPECIFIEDConselho Nacional de Desenvolvimento Científico e Tecnológicohttp://dx.doi.org/10.13039/501100003593
UNSPECIFIEDFundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeirohttp://dx.doi.org/10.13039/501100004586
UNSPECIFIEDFinanciadora de Estudos e Projetoshttp://dx.doi.org/10.13039/501100004809
UNSPECIFIEDMinistry of Science and Technology of the People's Republic of Chinahttp://dx.doi.org/10.13039/501100002855
UNSPECIFIED[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
UNSPECIFIED[CNRS] Centre National de la Recherche Scientifiquehttp://dx.doi.org/10.13039/501100004794
UNSPECIFIEDBundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
UNSPECIFIED[DFG] Deutsche Forschungsgemeinschafthttp://dx.doi.org/10.13039/501100001659
UNSPECIFIEDMax-Planck-Gesellschafthttp://dx.doi.org/10.13039/501100004189
UNSPECIFIEDIstituto Nazionale di Fisica Nuclearehttp://dx.doi.org/10.13039/501100013168
UNSPECIFIED[NWO] Nederlandse Organisatie voor Wetenschappelijk Onderzoekhttp://dx.doi.org/10.13039/501100003246
UNSPECIFIEDMinisterstwo Nauki i Szkolnictwa Wyższegohttp://dx.doi.org/10.13039/501100004569
UNSPECIFIEDNarodowe Centrum Naukihttp://dx.doi.org/10.13039/501100004281
UNSPECIFIEDInstitutul de Fizică Atomicăhttps://www.ifa-mg.ro/
UNSPECIFIED[MES] Ministry of Education and Science of the Russian Federationhttp://dx.doi.org/10.13039/501100003443
UNSPECIFIEDMinisterio de Ciencia e Innovaciónhttp://dx.doi.org/10.13039/501100004837
UNSPECIFIED[SNSF] Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschunghttp://dx.doi.org/10.13039/501100001711
UNSPECIFIED[SERI] Staatssekretariat für Bildung, Forschung und Innovationhttp://dx.doi.org/10.13039/501100007352
UNSPECIFIEDNational Academy of Sciences of Ukrainehttp://dx.doi.org/10.13039/501100004742
UNSPECIFIED[STFC] Science and Technology Facilities Councilhttp://dx.doi.org/10.13039/501100000271
UNSPECIFIEDU.S. Department of Energyhttp://dx.doi.org/10.13039/100000015
UNSPECIFIED[NSF] National Science Foundation (US)http://dx.doi.org/10.13039/100000001
UNSPECIFIEDAustralian Research Councilhttp://dx.doi.org/10.13039/501100000923
UNSPECIFIEDAustralian Research Data Commonshttps://ardc.edu.au/
UNSPECIFIEDAlexander von Humboldt-Stiftunghttp://dx.doi.org/10.13039/100005156
UNSPECIFIEDEuropean Particle Physics Latin American Networkhttps://www.roma1.infn.it/exp/eplanet/
UNSPECIFIEDH2020 Marie Skłodowska-Curie Actionshttp://dx.doi.org/10.13039/100010665
UNSPECIFIEDEuropean Research Councilhttp://dx.doi.org/10.13039/501100000781
UNSPECIFIEDAix-Marseille Universitéhttp://dx.doi.org/10.13039/100007586
UNSPECIFIED[ANR] Agence Nationale de la Recherchehttp://dx.doi.org/10.13039/501100001665
UNSPECIFIEDRégion Auvergne-Rhône-Alpeshttp://dx.doi.org/10.13039/501100010115
UNSPECIFIEDChinese Academy of Scienceshttps://www.cas.cn/
UNSPECIFIEDFundamental Research Funds for the Central Universitieshttp://dx.doi.org/10.13039/501100012226
UNSPECIFIEDScience and Technology Program of GuangzhouUNSPECIFIED
UNSPECIFIED[RFBR]Russian Foundation for Basic Researchhttp://dx.doi.org/10.13039/501100002261
UNSPECIFIED[RSF] Russian Science Foundationhttp://dx.doi.org/10.13039/501100006769
UNSPECIFIEDYandexhttps://www.yandex.com/
UNSPECIFIEDGeneralitat Valencianahttp://dx.doi.org/10.13039/501100003359
UNSPECIFIEDXunta de Galiciahttp://dx.doi.org/10.13039/501100010801
UNSPECIFIEDGeneralitat de Catalunyahttp://dx.doi.org/10.13039/501100002809
UNSPECIFIEDLeverhulme Trusthttp://dx.doi.org/10.13039/501100000275
UNSPECIFIED[RS] Royal Societyhttp://dx.doi.org/10.13039/501100000288
UNSPECIFIEDUK Research and Innovationhttp://dx.doi.org/10.13039/100014013
Contributors:
ContributionNameContributor ID
Research GroupLHCb Collaboration, UNSPECIFIED

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