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http://hdl.handle.net/2445/114426
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DC Field | Value | Language |
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dc.contributor.author | Garrido Beltrán, Lluís | - |
dc.contributor.author | Graugés Pous, Eugeni | - |
dc.contributor.author | Rives Molina, Vicente José | - |
dc.contributor.author | Graciani Díaz, Ricardo | - |
dc.contributor.author | Picatoste Olloqui, Eduardo | - |
dc.contributor.author | Calvo Gómez, Míriam | - |
dc.contributor.author | Gascón Fora, David | - |
dc.contributor.author | Marin Benito, Carla | - |
dc.contributor.author | Vilasis-Cardona, Xavier | - |
dc.contributor.author | LHCb Collaboration | - |
dc.date.accessioned | 2017-07-27T10:02:09Z | - |
dc.date.available | 2017-07-27T10:02:09Z | - |
dc.date.issued | 2016-06-15 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/2445/114426 | - |
dc.description.abstract | Violations of CPT symmetry and Lorentz invariance are searched for by studying interference effects in B-0 mixing and in B-s(0) mixing. Samples of B-0 -> J/psi K-S(0) and B-0(s) -> J/psi K+K- decays are recorded by the LHCb detector in proton-proton collisions at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb(-1). No periodic variations of the particle-antiparticle mass differences are found, consistent with Lorentz invariance and CPT symmetry. Results are expressed in terms of the standard model extension parameter Delta a(mu) with precisions of O(10(-15)) and O(10(-14)) GeV for the B-0 and B-s(0) systems, respectively. With no assumption on Lorentz (non) invariance, the CPT-violating parameter z in the B-s(0) system is measured for the first time and found to be Re(z) = -0.022 +/- 0.033 +/- 0.005 and Im(z) = 0.004 +/- 0.011 +/- 0.002, where the first uncertainties are statistical and the second systematic. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | American Physical Society | - |
dc.relation.isformatof | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.116.241601 | - |
dc.relation.ispartof | Physical Review Letters, 2016, vol. 116, num. 24, p. 241601 | - |
dc.relation.uri | https://doi.org/10.1103/PhysRevLett.116.241601 | - |
dc.rights | cc-by (c) CERN, 2016 | - |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Espais de Lorentz | - |
dc.subject.classification | Violació CP (Física nuclear) | - |
dc.subject.classification | Gran Col·lisionador d'Hadrons | - |
dc.subject.other | Lorentz spaces | - |
dc.subject.other | CP violation (Nuclear physics) | - |
dc.subject.other | Large Hadron Collider (France and Switzerland) | - |
dc.title | Search for Violations of Lorentz Invariance and CPT Symmetry in B0(s) Mixing | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 669220 | - |
dc.date.updated | 2017-07-27T10:02:09Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
dc.identifier.pmid | 27367382 | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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