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Showing 1 to 6 of 6 for “"B decay"”.
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Simplified Template Cross Section measurements of associated V H production in the H → b¯b decay channel with √ s = 13 TeV proton-proton collisions at the ATLAS experiment
… with a W or Z boson, where the Higgs boson decays to b ¯b and the W/Z boson (V ) decays leptonically. The data used is the full Run-2 ATLAS dataset, corresponding to 140 fb−1 of integrated luminosity, which was collected in proton-proton collisions at a centre of mass energy of √ s = 13 TeV. …
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Observation of the Ξ_b^-→Λ_b^0 π^- decay and measurement of B(Ξ_b^-→Λ_b^0 π^-)
<p>We present the first observation of the weak decay Ξ−b → Λ0b π−, which is mediated by an s → u ̄ud transitionwithin the Ξ_b^- baryon. The analysis uses a pp collision data sample at a center-of-mass energy of 13 TeV corresponding to 5.5 fb^(−1) of integrated luminosity. The sample of Λb0 baryons …
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Measurement of CP asymmetry in [beta] --> [sigma] [gamma] decays using a sum of exclusive final states
… the CP asymmetry in [beta] --> [sigma] [gamma] decays. This CP asymmetry is expected to be less than 0.01 in the Standard Model, but could be enhanced up to the order of 0.10 by non-Standard Model contributions. We use a sample of 383 x 106 BB events collected by the BABAR detector at the PEP-II …
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Semi-Leptonic Decay Of Lambda-B In The Standard Model And With New Physics
Heavy quark decays provide a very advantageous investigation to test the Standard Model (SM). Recently, promising experiments with b quark, as well as the analysis of the huge data sets produced at the B factories, have led to an increasing study and sensitive measurements of relative b quark …
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Performance of hybrid photon detectors and studies of two-body hadronic B decays at LHCb
… describes studies relevant to measurements of B decays to hadronic final states at LHCb. The Ring Imaging Cherenkov (RICH) counters of LHCb are crucial to the performance of such measurements. They use arrays of Hybrid Photon Detectors (HPDs) as their photodetection system. Detailed results are …
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Measurement of the Branching Fraction and Search for Direct CP-Violation in the Radiative Decay B to K*Gamma with the BABAR Detector
Die hier vorgestellte Untersuchung des radiativen elektroschwachen "Pinguin"-Zerfalls B->K*(892)Gamma, der durch den "Schleifen"-Übergang b->sGamma stattfindet, stellt einen wichtigen Test des Standardmodells und einen Kandidaten für die Suche nach Neuer Physik dar. Der …