Search Results - "Tekampe, T."
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Measurement of the ratio of branching fractions B(B[over ¯]^{0}→D^{+}τ^{-}ν[over ¯]_{τ})/B(B[over ¯]^{0}→D^{+}μ^{-}ν[over ¯]_{μ})
Published in Physical review letters (11-09-2015)“…The branching fraction ratio R(D^{*})≡B(B[over ¯]^{0}→D^{*+}τ^{-}ν[over ¯]_{τ})/B(B[over ¯]^{0}→D^{*+}μ^{-}ν[over ¯]_{μ}) is measured using a sample of…”
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Search for Lepton-Universality Violation in B^{+}→K^{+}ℓ^{+}ℓ^{-} Decays
Published in Physical review letters (17-05-2019)“…A measurement of the ratio of branching fractions of the decays B^{+}→K^{+}μ^{+}μ^{-} and B^{+}→K^{+}e^{+}e^{-} is presented. The proton-proton collision data…”
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3
Observation of J/ψp Resonances Consistent with Pentaquark States in Λ_{b}^{0}→J/ψK^{-}p Decays
Published in Physical review letters (14-08-2015)“…Observations of exotic structures in the J/ψp channel, which we refer to as charmonium-pentaquark states, in Λ_{b}^{0}→J/ψK^{-}p decays are presented. The data…”
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Observation of J/ψϕ Structures Consistent with Exotic States from Amplitude Analysis of B^{+}→J/ψϕK^{+} Decays
Published in Physical review letters (11-01-2017)“…The first full amplitude analysis of B^{+}→J/ψϕK^{+} with J/ψ→μ^{+}μ^{-}, ϕ→K^{+}K^{-} decays is performed with a data sample of 3 fb^{-1} of pp collision…”
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Observation of Five New Narrow Ω_{c}^{0} States Decaying to Ξ_{c}^{+}K^{-}
Published in Physical review letters (05-05-2017)“…The Ξ_{c}^{+}K^{-} mass spectrum is studied with a sample of pp collision data corresponding to an integrated luminosity of 3.3 fb^{-1}, collected by the LHCb…”
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First Observation of the Doubly Charmed Baryon Decay Ξ_{cc}^{++}→Ξ_{c}^{+}π^{+}
Published in Physical review letters (19-10-2018)“…The doubly charmed baryon decay Ξ_{cc}^{++}→Ξ_{c}^{+}π^{+} is observed for the first time, with a statistical significance of 5.9σ, confirming a recent…”
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Measurement of the phase difference between short- and long-distance amplitudes in the [Formula: see text] decay
Published in The European physical journal. C, Particles and fields (16-03-2017)“…A measurement of the phase difference between the short- and long-distance contributions to the [Formula: see text] decay is performed by analysing the dimuon…”
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Model-Independent Evidence for J/ψp Contributions to Λ_{b}^{0}→J/ψpK^{-} Decays
Published in Physical review letters (19-08-2016)“…The data sample of Λ_{b}^{0}→J/ψpK^{-} decays acquired with the LHCb detector from 7 and 8 TeV pp collisions, corresponding to an integrated luminosity of 3 …”
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Observation of a New Ξ_{b}^{-} Resonance
Published in Physical review letters (17-08-2018)“…From samples of pp collision data collected by the LHCb experiment at sqrt[s]=7, 8 and 13 TeV, corresponding to integrated luminosities of 1.0, 2.0 and 1.5 …”
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Measurement of the Lifetime of the Doubly Charmed Baryon Ξ_{cc}^{++}
Published in Physical review letters (03-08-2018)“…The first measurement of the lifetime of the doubly charmed baryon Ξ_{cc}^{++} is presented, with the signal reconstructed in the final state…”
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11
Evidence for Exotic Hadron Contributions to Λ_{b}^{0}→J/ψpπ^{-} Decays
Published in Physical review letters (19-08-2016)“…A full amplitude analysis of Λ_{b}^{0}→J/ψpπ^{-} decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV pp collisions,…”
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Observation of New Ξ_{c}^{0} Baryons Decaying to Λ_{c}^{+}K^{-}
Published in Physical review letters (05-06-2020)Get full text
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13
First Observation of Excited Ω_{b}^{-} States
Published in Physical review letters (28-02-2020)“…We report four narrow peaks in the Ξ_{b}^{0}K^{-} mass spectrum obtained using pp collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a…”
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14
Observation of New Resonances in the Λ_{b}^{0}π^{+}π^{-} System
Published in Physical review letters (11-10-2019)Get full text
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15
Observation of Two Resonances in the Λ_{b}^{0}π^{±} Systems and Precise Measurement of Σ_{b}^{±} and Σ_{b}^{±} Properties
Published in Physical review letters (11-01-2019)“…The first observation of two structures consistent with resonances in the final states Λ_{b}^{0}π^{-} and Λ_{b}^{0}π^{+} is reported using samples of pp…”
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Search for the Rare Decays B_{s}^{0}→e^{+}e^{-} and B^{0}→e^{+}e^{-}
Published in Physical review letters (29-05-2020)Get full text
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Search for Violations of Lorentz Invariance and CPT Symmetry in B_{(s)}^{0} Mixing
Published in Physical review letters (17-06-2016)“…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…”
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Studies of the resonance structure in D 0 → K ∓ π ± π ± π ∓ decays
Published in The European physical journal. C, Particles and fields (2018)“…Amplitude models are constructed to describe the resonance structure of and decays using collision data collected at centre-of-mass energies of 7 and 8 TeV…”
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Study of b b ¯ correlations in high energy proton-proton collisions
Published in The journal of high energy physics (01-11-2017)“…Kinematic correlations for pairs of beauty hadrons, produced in high energy proton-proton collisions, are studied. The data sample used was collected with the…”
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Measurement of CP violation in B 0 → D ∓π± decays
Published in The journal of high energy physics (01-06-2018)“…A measurement of the CP asymmetries Sf and Sf¯ in B0 → D∓π± decays is reported. The decays are reconstructed in a dataset collected with the LHCb experiment in…”
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