Measurement of D±  s production asymmetry in pp collisions at $$ \sqrt{s}=7 $$ and 8 TeV

descriptionPublicationkeyboard_double_arrow_right Article , Research , Report , Preprint , Other literature type 01 Aug 2018Embargo end date: 01 Jan 2018 English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,018 (eissn: 1029-8479,

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Authors: Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; Albicocco, P.; Albrecht, J.; +193 Authors

Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; Albicocco, P.; Albrecht, J.; Alessio, F.; Alexander, M.; Alfonso Albero, A.; Ali, S.; Alkhazov, G.; Cartelle, P. Alvarez; Alves A. A.; Jr.; Amato, S.; Amerio, S.; Amhis, Y.; An, L.; Anderlini, L.; Andreassi, G.; Andreotti, M.; Andrews, J. E.; Appleby, R. B.; Archilli, F.; d'Argent, P.; Romeu, J. Arnau; Artamonov, A.; Artuso, M.; Aslanides, E.; Atzeni, M.; Auriemma, G.; Bachmann, S.; Back, J. J.; Baker, S.; Balagura, V; Baldini, W.; Baranov, A.; Barlow, R. J.; Barsuk, S.; Barter, W.; Baryshnikov, F.; Batozskaya, V; Battista, V; Bay, A.; Beddow, J.; Bedeschi, F.; Bediaga, I; Beiter, A.; Bel, L. J.; Beliy, N.; Bellee, V; Belloli, N.; Belous, K.; Belyaev, I; Ben-Haim, E.; Bencivenni, G.; Benson, S.; Beranek, S.; Berezhnoy, A.; Bernet, R.; Berninghoff, D.; Bertholet, E.; Bertolin, A.; Betancourt, C.; Betti, F.; Bettler, M. O.; van Beuzekom, M.; Bershyiko, Ia; Bifani, S.; Billoir, P.; Birnkraut, A.; Bizzeti, A.; Bjorn, M.; Blake, T.; Blanc, F.; Blusk, S.; Bocci, V; Boente Garcia, O.; Boettcher, T.; Bondar, A.; Bondar, N.; Borghi, S.; Borisyak, M.; Borsato, M.; Bossu, F.; Boubdir, M.; Bowcock T. J.; V; Bowen, E.; Bozzi, C.; Braun, S.; Brodski, M.; Brodzicka, J.; Brundu, D.; Buchanan, E.; Burr, C.; Bursche, A.; Buytaert, J.; Byczynski, W.; Cadeddu, S.; Cai, H.; Calabrese, R.; Calladine, R.; Calvi, M.; Calvo Gomez, M.; Camboni, A.; Campana, P.; Perez, D. H. Campora; Capriotti, L.; Carbone, A.; Carboni, G.; Cardinale, R.; Cardini, A.; Carniti, P.; Carson, L.; Carvalho Akiba, K.; Casse, G.; Cassina, L.; Cattaneo, M.; Cavallero, G.; Cenci, R.; Chamont, D.; Chapman, M. G.; Charles, M.; Charpentier, Ph; Chatzikonstantinidis, G.; Chefdeville, M.; Chen, S.; Chitic, S-G; Chobanova, V; Chrzaszcz, M.; Chubykin, A.; Ciambrone, P.; Cid Vidal, X.; Ciezarek, G.; Clarke, P. E. L.; Clemencic, M.; Cliff H.; V; Closier, J.; Coco, V; Cogan, J.; Cogneras, E.; Cogoni, V; Cojocariu, L.; Collins, P.; Colombo, T.; Comerma-Montells, A.; Contu, A.; Coombs, G.; Coquereau, S.; Corti, G.; Corvo, M.; Sobral, C. M. Costa; Couturier, B.; Cowan, G. A.; Craik, D. C.; Crocombe, A.; Cruz Torres, M.; Currie, R.; D'Ambrosio, C.; Da Cunha Marinho, F.; Da Silva, C. L.; Dall'Occo, E.; Dalseno, J.; Danilina, A.; Davis, A.; Francisco, O. De Aguiar; De Bruyn, K.; De Capua, S.; De Cian, M.; De Miranda, J. M.; De Paula, L.; De Serio, M.; De Simone, P.; Dean, C. T.; Decamp, D.; Del Buono, L.; Delaney, B.; Dembinski, H-P; Demmer, M.; Dendek, A.; Derkach, D.; Deschamps, O.; Dettori, F.; Dey, B.; Di Canto, A.; Di Nezza, P.; Didenko, S.; Dijkstra, H.; Dordei, F.; Dorigo, M.; Dosil Suarez, A.; Douglas, L.; Dovbnya, A.; Dreimanis, K.; Dufour, L.; Dujany, G.; Durante, P.;

doi: 10.1007/jhep08(2018)008 , 10.18154/rwth-2019-06035 , 10.18154/rwth-2019-06031 , 10.3204/pubdb-2019-00335 , 10.48550/arxiv.1805.09869

arXiv: 1805.09869

Measurement of D± s production asymmetry in pp collisions at $$ \sqrt{s}=7 $$ and 8 TeV

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Abstract

Abstract The inclusive D s ± production asymmetry is measured in pp collisions collected by the LHCb experiment at centre-of-mass energies of $$ \sqrt{s}=7 $$ s = 7 and 8 TeV. Promptly produced D s ± mesons are used, which decay as D s ± → ϕπ±, with ϕ → K + K −. The measurement is performed in bins of transverse momentum, p T, and rapidity, y, covering the range 2.5 < p T < 25.0 GeV/c and 2.0 < y < 4.5. No kinematic dependence is observed. Evidence of nonzero D s ± production asymmetry is found with a significance of 3.3 standard deviations.

Related Organizations

National University of Colombia
Colombia
Alma Mater Studiorum University of Bologna
Italy
University of Warwick
United Kingdom
Massachusetts Institute of Technology
United States
École Polytechnique Fédérale de Lausanne EPFL
Switzerland

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Keywords

Charm physics; Forward physics; Hadron-Hadron scattering (experiments); Heavy quark production; QCD; Nuclear and high energy physics, Charm physics; Forward physics; Hadron-Hadron scattering (experiments);; Heavy quark production; QCD; DECAY, 7000 GeV-cms8000 GeV-cms, transverse momentum dependence, Physics, Particles & Fields, High Energy Physics - Experiment, rapidity dependence, Charm physics; Forward physics; Hadron-Hadron scattering (experiments); Heavy quark production; QCD;, High Energy Physics - Experiment (hep-ex), D/s+: hadroproduction, Hadron-Hadron scattering (experiments), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], LHCb - Abteilung Hinton, D/s- --> Phi(1020) pi-, info:eu-repo/classification/ddc/530, production: asymmetry, Charm physics, 8000 GeV-cms, 02 Physical Sciences, Physics, Particle physics, D/s- --> Phi(1020) pi-, Nuclear & Particles Physics, CERN LHC Coll, kinematics, 7000 GeV-cms, Physical Sciences, Charm physics; Forward physics; Hadron-Hadron scattering (experiments); Heavy quark production; QCD, Phi(1020) --> K+ K-, Settore FIS/04 - FISICA NUCLEARE E SUBNUCLEARE, Charm physic, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Physics; HEP; LHC; LHCb; Particles and fields; Charm physics; Forward physics; Hadron-Hadron scattering (experiments); QCD;, Particles & Fields, FOS: Physical sciences, Phi(1020) --> K+ K-, Hadrons, 530, D/s+ --> Phi(1020) pi+, K: pair production, SDG 7 - Affordable and Clean Energy, D/s+: hadronic decay, Forward physic, Large Hadron Collider (France and Switzerland), Charm physics; Forward physics; Hadron-Hadron scattering (experiments); Heavy quark production; QCD; Nuclear and High Energy Physics, 01 Mathematical Sciences, Science & Technology, Gran Col·lisionador d'Hadrons, 500, QCD, LHC-B, D/s+ --> Phi(1020) pi+, Heavy quark production, Forward physics, Física de partícules, Experiments, DECAY, p p: colliding beams, experimental results

9 Research products, page 1 of 1

"Table 5" of "Measurement of $D_s^{\pm}$ production asymmetry in $pp$ collisions at $\sqrt{s} =7$ and 8 TeV"
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Measurement of $D_s^{\pm}$ production asymmetry in $pp$ collisions at $\sqrt{s} =7$ and 8 TeV
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"Table 2" of "Measurement of $D_s^{\pm}$ production asymmetry in $pp$ collisions at $\sqrt{s} =7$ and 8 TeV"
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"Table 4" of "Measurement of $D_s^{\pm}$ production asymmetry in $pp$ collisions at $\sqrt{s} =7$ and 8 TeV"
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Measurement of Ds± production asymmetry in pp collisions at s = 7
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"Table 6" of "Measurement of $D_s^{\pm}$ production asymmetry in $pp$ collisions at $\sqrt{s} =7$ and 8 TeV"
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"Table 3" of "Measurement of $D_s^{\pm}$ production asymmetry in $pp$ collisions at $\sqrt{s} =7$ and 8 TeV"
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"Table 1" of "Measurement of $D_s^{\pm}$ production asymmetry in $pp$ collisions at $\sqrt{s} =7$ and 8 TeV"
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Measurement of branching fractions for D meson decaying into ϕ meson and a pseudoscalar meson
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