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dc.contributor.authorWilliams, Michael
dc.date.accessioned2022-05-10T15:14:47Z
dc.date.available2022-05-10T15:14:47Z
dc.date.issued2021
dc.identifier.urihttps://hdl.handle.net/1721.1/142448
dc.description.abstractThe production of χc1(3872) and ψ(2S) hadrons is studied as a function of charged particle multiplicity in pp collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 2 fb-1. For both states, the fraction that is produced promptly at the collision vertex is found to decrease as charged particle multiplicity increases. The ratio of χc1(3872) to ψ(2S) cross sections for promptly produced particles is also found to decrease with multiplicity, while no significant dependence on multiplicity is observed for the equivalent ratio of particles produced away from the collision vertex in b-hadron decays. This behavior is consistent with a calculation that models the χc1(3872) structure as a compact tetraquark. Comparisons with model calculations and implications for the binding energy of the χc1(3872) state are discussed.en_US
dc.language.isoen
dc.publisherAmerican Physical Society (APS)en_US
dc.relation.isversionof10.1103/PHYSREVLETT.126.092001en_US
dc.rightsCreative Commons Attribution 4.0 International Licenseen_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0en_US
dc.sourceAPSen_US
dc.titleObservation of Multiplicity Dependent Prompt χ c 1 ( 3872 ) and ψ ( 2 S ) Production in p p Collisionsen_US
dc.typeArticleen_US
dc.identifier.citationWilliams, Michael. 2021. "Observation of Multiplicity Dependent Prompt χ c 1 ( 3872 ) and ψ ( 2 S ) Production in p p Collisions." Physical Review Letters, 126 (9).
dc.contributor.departmentMassachusetts Institute of Technology. Department of Physics
dc.relation.journalPhysical Review Lettersen_US
dc.eprint.versionFinal published versionen_US
dc.type.urihttp://purl.org/eprint/type/JournalArticleen_US
eprint.statushttp://purl.org/eprint/status/PeerRevieweden_US
dc.date.updated2022-05-10T15:11:13Z
dspace.orderedauthorsAaij, R; Abellán Beteta, C; Ackernley, T; Adeva, B; Adinolfi, M; Afsharnia, H; Aidala, CA; Aiola, S; Ajaltouni, Z; Akar, S; Albrecht, J; Alessio, F; Alexander, M; Alfonso Albero, A; Aliouche, Z; Alkhazov, G; Alvarez Cartelle, P; Amato, S; Amhis, Y; An, L; Anderlini, L; Andreianov, A; Andreotti, M; Archilli, F; Artamonov, A; Artuso, M; Arzymatov, K; Aslanides, E; Atzeni, M; Audurier, B; Bachmann, S; Bachmayer, M; Back, JJ; Baker, S; Baladron Rodriguez, P; Balagura, V; Baldini, W; Baptista Leite, J; Barlow, RJ; Barsuk, S; Barter, W; Bartolini, M; Baryshnikov, F; Basels, JM; Bassi, G; Batsukh, B; Battig, A; Bay, A; Becker, M; Bedeschi, F; Bediaga, I; Beiter, A; Belavin, V; Belin, S; Bellee, V; Belous, K; Belov, I; Belyaev, I; Bencivenni, G; Ben-Haim, E; Berezhnoy, A; Bernet, R; Berninghoff, D; Bernstein, HC; Bertella, C; Bertholet, E; Bertolin, A; Betancourt, C; Betti, F; Bettler, MO; Bezshyiko, I; Bhasin, S; Bhom, J; Bian, L; Bieker, MS; Bifani, S; Billoir, P; Birch, M; 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dspace.date.submission2022-05-10T15:11:14Z
mit.journal.volume126en_US
mit.journal.issue9en_US
mit.licensePUBLISHER_CC
mit.metadata.statusAuthority Work and Publication Information Neededen_US


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