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Search for direct CP violation in D-0 -> h(-)h(+) modes using semileptonic B decays
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Search for direct CP violation in D-0 -> h(-)h(+) modes using semileptonic B decays
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| dc.contributor.author | LHCb Collaboration | |
| dc.contributor.author | Oyanguren Campos, Arantza | |
| dc.contributor.author | Ruiz Valls, Pablo | |
| dc.date.accessioned | 2014-04-01T08:30:51Z | |
| dc.date.available | 2014-04-01T08:30:51Z | |
| dc.date.issued | 2013 | |
| dc.identifier.citation | LHCb Collaboration Oyanguren Campos, Arantza Ruiz Valls, Pablo 2013 Search for direct CP violation in D-0 -> h(-)h(+) modes using semileptonic B decays Physics Letters B 723 1-3 33 43 | |
| dc.identifier.uri | http://hdl.handle.net/10550/33910 | |
| dc.description.abstract | A search for direct CP violation in D-0 -> 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 D-0 mesons produced in inclusive semileptonic b-hadron decays to the D-0 μX final state, where the charge of the accompanying muon is used to tag the flavour of the D-0 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. | |
| dc.relation.ispartof | Physics Letters B, 2013, vol. 723, num. 1-3, p. 33-43 | |
| dc.subject | Física nuclear | |
| dc.subject | Violació CP (Física nuclear) | |
| dc.title | Search for direct CP violation in D-0 -> h(-)h(+) modes using semileptonic B decays | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-04-01T08:30:51Z | |
| dc.identifier.doi | 10.1016/j.physletb.2013.04.061 | |
| dc.identifier.idgrec | 094081 | |
| dc.rights.accessRights | open access | es_ES |
| dc.identifier.url | 10.1016/j.physletb.2013.04.061 |
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