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Measurement of the Bc− meson production fraction and asymmetry in 7 and 13 TeV pp collisions

descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint , Journal 13 Dec 2019Embargo end date: 01 Jan 2019 Italy, United Kingdom, Switzerland, Germany, Russian Federation, Italy, Spain, Italy, Italy, Italy, Italy, Italy, Russian Federation, Netherlands, Netherlands, Italy, Italy, Italy, Italy, Italy, France, Italy, Italy, Italy Publisher:American Physical Society (APS)Journal:Physical Review D, volume 100 (issn: 2470-0010, eissn: 2470-0029,

Authors: Aaij, Roel; Abellán Beteta, Carlos; Ackernley, Thomas; Adeva, Bernardo; Adinolfi, Marco; Afsharnia, Hossein; Aidala, Christine Angela; +193 Authors

Aaij, Roel; Abellán Beteta, Carlos; Ackernley, Thomas; Adeva, Bernardo; Adinolfi, Marco; Afsharnia, Hossein; Aidala, Christine Angela; Aiola, Salvatore; Ajaltouni, Ziad; Akar, Simon; Albicocco, Pietro; Albrecht, Johannes; Alessio, Federico; Alexander, Michael; Alfonso Albero, Alejandro; Alkhazov, Georgy; Alvarez Cartelle, Paula; Alves, Antonio Augusto; Amato, Sandra; Amhis, Yasmine; An, Liupan; Anderlini, Lucio; Andreassi, Guido; Andreotti, Mirco; Archilli, Flavio; Arnau Romeu, Joan; Artamonov, Alexander; Artuso, Marina; Arzymatov, Kenenbek; Aslanides, Elie; Atzeni, Michele; Audurier, Benjamin; Bachmann, Sebastian; Back, John; Baker, Sophie; Balagura, Vladislav; Baldini, Wander; Baranov, Alexander; Barlow, Roger; Barsuk, Sergey; Barter, William; Bartolini, Matteo; Baryshnikov, Fedor; Bassi, Giovanni; Batozskaya, Varvara; Batsukh, Baasansuren; Battig, Alexander; Bay, Aurelio; Becker, Maik; Bedeschi, Franco; Bediaga, Ignacio; Beiter, Andrew; Bel, Lennaert; Belavin, Vladislav; Belin, Samuel; Beliy, Nikita; Bellee, Violaine; Belous, Konstantin; Belyaev, Ivan; Bencivenni, Giovanni; Ben-Haim, Eli; Benson, Sean; Beranek, Sarah; Berezhnoy, Alexander; Bernet, Roland; Berninghoff, Daniel; Bernstein, Harris Conan; Bertholet, Emilie; Bertolin, Alessandro; Betancourt, Christopher; Betti, Federico; Bettler, Marc-Olivier; Bezshyiko, Iaroslava; Bhasin, Srishti; Bhom, Jihyun; Bieker, Martin Stefan; Bifani, Simone; Billoir, Pierre; Bizzeti, Andrea; Bjørn, Mikkel; Blago, Michele Piero; Blake, Thomas; Blanc, Frederic; Blusk, Steven; Bobulska, Dana; Bocci, Valerio; Boente Garcia, Oscar; Boettcher, Thomas; Boldyrev, Alexey; Bondar, Alexander; Bondar, Nikolay; Borghi, Silvia; Borisyak, Maxim; Borsato, Martino; Borsuk, Jozef Tomasz; Bowcock, Themistocles; Bozzi, Concezio; Bradley, Matthew John; Braun, Svende; Brea Rodriguez, Alexandre; Brodski, Michael; Brodzicka, Jolanta; Brossa Gonzalo, Arnau; Brundu, Davide; Buchanan, Emma; Buonaura, Annarita; Burr, Christopher; Bursche, Albert; Butter, Jordy Sebastiaan; Buytaert, Jan; Byczynski, Wiktor; Cadeddu, Sandro; Cai, Hao; Calabrese, Roberto; Calero Diaz, Liliet; Cali, Stefano; Calladine, Ryan; Calvi, Marta; Calvo Gomez, Miriam; Camboni, Alessandro; Campana, Pierluigi; Campora Perez, Daniel Hugo; Capriotti, Lorenzo; Carbone, Angelo; Carboni, Giovanni; Cardinale, Roberta; Cardini, Alessandro; Carniti, Paolo; Carvalho Akiba, Kazuyoshi; Casais Vidal, Adrian; Casse, Gianluigi; Cattaneo, Marco; Cavallero, Giovanni; Cenci, Riccardo; Cerasoli, Jacopo; Chapman, Matthew George; Charles, Matthew; Charpentier, Philippe; Chatzikonstantinidis, Georgios; Chefdeville, Maximilien; Chekalina, Viktoriia; Chen, Chen; Chen, Shanzhen; Chernov, Aleksei; Chitic, Stefan-Gabriel; Chobanova, Veronika; Chrzaszcz, Marcin; Chubykin, Alexsei; Ciambrone, Paolo; Cicala, Maria Flavia; Cid Vidal, Xabier; Ciezarek, Gregory; Cindolo, Federico; Clarke, Peter; Clemencic, Marco; Cliff, Harry; Closier, Joel; Cobbledick, John Leslie; Coco, Victor; Coelho, Joao a B; Cogan, Julien; Cogneras, Eric; Cojocariu, Lucian; Collins, Paula; Colombo, Tommaso; Comerma-Montells, Albert; Contu, Andrea; Cooke, Naomi; Coombs, George; Coquereau, Samuel; Corti, Gloria; Costa Sobral, Cayo Mar; Couturier, Benjamin; Craik, Daniel Charles; Crkovska, Jana; Crocombe, Andrew; Cruz Torres, Melissa Maria; Currie, Robert; da Silva, Cesar Luiz; Dall'Occo, Elena; Dalseno, Jeremy; d'Ambrosio, Carmelo; Danilina, Anna; d'Argent, Philippe; Davis, Adam; de Aguiar Francisco, Oscar; de Bruyn, Kristof; de Capua, Stefano; de Cian, Michel; de Miranda, Jussara; de Paula, Leandro; de Serio, Marilisa; de Simone, Patrizia; de Vries, Jacco; Dean, Cameron Thomas; Dean, William; Decamp, Daniel; del Buono, Luigi; Delaney, Blaise; Dembinski, Hans Peter;

doi: 10.1103/physrevd.100.112006 , 10.18154/rwth-2020-01902 , 10.48550/arxiv.1910.13404 , 10.18154/rwth-2020-01555

arXiv: http://arxiv.org/abs/1910.13404 , 1910.13404

handle: 11370/b8234a0c-7a31-4c58-9e56-0e1ea8ce59dd , 1871.1/99e0a20c-acdf-42f5-8bdf-3b094c08e9f5 , 10281/289397 , 11576/2674280 , 11577/3400677 , 2108/250492 , 11380/1210015 , 11584/302859 , 11392/2416739 , 11567/1157507 , 11568/1210496 , 11384/96084 , 11585/720609 , 11563/147167 , 11586/378834

Measurement of the Bc− meson production fraction and asymmetry in 7 and 13 TeV pp collisions

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Abstract

The production fraction of the $B_c^-$ meson with respect to the sum of $B^-$ and $\bar{B}^0$ mesons is measured in both 7 and 13 TeV center-of-mass energy $pp$ collisions produced by the Large Hadron Collider (LHC), using the LHCb detector. The rate, approximately 3.7 per mille, does not change with energy, but shows a transverse momentum dependence. The $B_c^- - B_c^+$ production asymmetry is also measured, and is consistent with zero within the determined statistical and systematic uncertainties of a few percent.

All figures and tables, along with machine-readable versions and any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2019-033.html (LHCb public pages). The paper contains 25 pages, 8 figures

Countries

Italy, United Kingdom, Switzerland, Germany, Russian Federation, Italy, Spain, Italy, Italy, Italy, Italy, Italy, Russian Federation, Netherlands, Netherlands, Italy, Italy, Italy, Italy, Italy, France, Italy, Italy, Italy

Related Organizations

University System of Ohio
United States
University of Cambridge
United Kingdom
National Laboratory of Frascati
Italy
Institut National de Physique Nucléaire et de Physique des Particules
France
University of Bergamo
Italy

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Keywords

Physics and Astronomy (miscellaneous), 13000 GeV-cms, Settore PHYS-01/A - Fisica sperimentale delle interazioni fondamentali e applicazioni, asymmetry: (B/c+ B/c-), transverse momentum dependence, High Energy Physics - Experiment, S051.2, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), B/c: hadroproduction, S051.1, 7000 GeV-cms13000 GeV-cms, scattering [p p], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics Experiments, hadroproduction [meson], LHCb - Abteilung Hinton, info:eu-repo/classification/ddc/530, production: asymmetry, S051.235, b-c meson, Particle physics, B-C meson, decays, Physics; HEP; LHC; LHCb; Particles and fields; Particle interactions; Particle production; Quantum chromodynamics; Strong interaction; Hadron colliders; Precision measurements;, B-C MESON, Settore FIS/01 - FISICA SPERIMENTALE, High Energy Physics - Phenomenology, CERN LHC Coll, To be checked by Faculty, 7000 GeV-cms, colliding beams [p p], p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], FOS: Physical sciences, S051:Desig=235, 530, DECAYS, energy dependence, (B/c+ B/c-) [asymmetry], Library approved, asymmetry [production], SDG 7 - Affordable and Clean Energy, Desig=1 [S051], Desig=2 [S051], B-C MESON; DECAYS, meson: hadroproduction, lhcb, Desig=235 [S051], S051:Desig=2, S051:Desig=1, LHC-B, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], Cromodinàmica quàntica, LHCb, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], hadroproduction [B/c], S091A00, decays, Física de partícules, p p: colliding beams, statistical, Quantum chromodynamics, experimental results

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