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Search for direct CP violation in D0 → h−h+ modes using semileptonic B decays
dc.contributor | Universitat Ramon Llull. La Salle | |
dc.contributor | CERN | |
dc.contributor.author | Calvo Gómez, Míriam | |
dc.contributor.author | Camboni, Alessandro | |
dc.contributor.author | Vilasís Cardona, Xavier | |
dc.contributor.author | LHCb Collaboration - CERN | |
dc.date.accessioned | 2020-05-19T15:31:40Z | |
dc.date.accessioned | 2023-10-02T06:35:15Z | |
dc.date.available | 2020-05-19T15:31:40Z | |
dc.date.available | 2023-10-02T06:35:15Z | |
dc.date.created | 2013 | |
dc.date.issued | 2013-06-10 | |
dc.identifier.uri | http://hdl.handle.net/20.500.14342/3336 | |
dc.description.abstract | A search for direct CP violation in D0 -> h- h+ (where h=K or pi) is presented using data corresponding to an integrated luminosity of 1.0 fb^-1 collected in 2011 by LHCb in pp collisions at a centre-of-mass energy of 7 TeV. The analysis uses D0 mesons produced in inclusive semileptonic b-hadron decays to the D0 mu X final state, where the charge of the accompanying muon is used to tag the flavour of the D0 meson. The difference in the CP-violating asymmetries between the two decay channels is measured to be Delta A_CP = A_CP(K-K+) - A_CP(pi-pi+) = (0.49 +- 0.30 (stat) +- 0.14 (syst)) % . This result does not confirm the evidence for direct CP violation in the charm sector reported in other analyses. | eng |
dc.format.extent | 11 p. | cat |
dc.language.iso | eng | cat |
dc.publisher | Elsevier | cat |
dc.relation.ispartof | Physics Letters B, 2013, Vol. 723, No. 1-3 (Juny) | cat |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 International | |
dc.rights | © CERN | |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | RECERCAT (Dipòsit de la Recerca de Catalunya) | |
dc.subject.other | Gran col·lisionador d'hadrons (França i Suïssa) | cat |
dc.subject.other | Mesons | cat |
dc.subject.other | Hadrons | cat |
dc.subject.other | Col·lisions (Física nuclear) | cat |
dc.title | Search for direct CP violation in D0 → h−h+ modes using semileptonic B decays | cat |
dc.type | info:eu-repo/semantics/article | cat |
dc.type | info:eu-repo/semantics/publishedVersion | cat |
dc.rights.accessLevel | info:eu-repo/semantics/openAccess | |
dc.embargo.terms | cap | cat |
dc.subject.udc | 53 | |
dc.identifier.doi | http://dx.doi.org/0.1016/j.physletb.2013.04.061 | cat |