Title:
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Observation of B-s(0) -> (D)over-bar(0)K(S)(0) and evidence for B-s(0) -> (D)over-bar*K-0(S)0 decays
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Author:
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Garrido Beltrán, Lluís; Gascón Fora, David; Graciani Díaz, Ricardo; Graugés Pous, Eugeni; Marín Benito, Carla; Picatoste Olloqui, Eduardo; Rives Molina, Vicente José; Badalov, Alexey; LHCb Collaboration
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Other authors:
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Universitat de Barcelona |
Abstract:
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The first observation of the B0s→¯D0K0S decay mode and evidence for the B0s→¯D*0K0S decay mode are reported. The data sample corresponds to an integrated luminosity of 3.0 fb−1 collected in pp collisions by LHCb at center-of-mass energies of 7 and 8 TeV. The branching fractions are measured to be B(B0s→¯D0¯K0)=[4.3±0.5(stat)±0.3(syst)±0.3(frag)±0.6(norm)]×10−4,B(B0s→¯D*0¯K0)=[2.8±1.0(stat)±0.3(syst)±0.2(frag)±0.4(norm)]×10−4,where the uncertainties are due to contributions coming from statistical precision, systematic effects, and the precision of two external inputs, the ratio fs/fd and the branching fraction of B0→¯D0K0S, which is used as a calibration channel. |
Subject(s):
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-Violació CP (Física nuclear) -Simetria (Física) -Partícules (Física nuclear) -CP violation (Nuclear physics) -Symmetry (Physics) -Particles (Nuclear physics) |
Rights:
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(c) American Physical Society, 2016
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Document type:
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Article Article - Published version |
Published by:
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American Physical Society
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