Browsing by Author "Aaij, R."
Now showing items 21-40 of 278
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Differential branching fraction and angular analysis of the decay B 0 → K ∗0 μ + μ −
Aaij, R.; Abellan Beteta, C.; Adeva, B.; Adinolfi, M.; Adrover, C.; e.a. (Springer-Verlag/SISSA, 2013-08)The angular distribution and differential branching fraction of the decay B[superscript O]→ K*[superscript O]μ⁺μ⁻ are studied using a data sample, collected by the LHCb experiment in pp collisions at s√=7 TeV, corresponding ... -
Differential branching fraction and angular analysis of the decay B[superscript 0][subscript s] → ϕμ[superscript +]μ[superscript −]
Aaij, R.; Abellan Beteta, C.; Adeva, B.; Adinolfi, M.; Adrover, C.; e.a. (Springer Berlin Heidelberg, 2013-07)The determination of the differential branching fraction and the first angular analysis of the decay B[superscript 0][subscript 0] → ϕμ[superscript +]μ[subscript −] are presented using data, corresponding to an integrated ... -
Differential branching fraction and angular analysis of Λb0 → Λμ+μ− decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (Springer Berlin Heidelberg, 2015-06)Abstract The differential branching fraction of the rare decay Λ b 0 → Λμ+μ− is measured as a function of ... -
Evidence for an ηc(1s)π- resonance in B⁰→ηc(1S)K+π- decays
Aaij, R.; Beteta, C. A; Adeva, B.; Adinolfi, M.; Aidala, C. A; e.a. (Springer Berlin Heidelberg, 2018-12)A Dalitz plot analysis of B⁰ → η[subscript c](1S)K[superscript +]π[superscript −] decays is performed using data samples of pp collisions collected with the LHCb detector at centre-of-mass energies of √s = 7, 8 and 13 TeV, ... -
Evidence for Exotic Hadron Contributions toΛ[subscript b][superscript 0]→J/ψpπ−Decays
Aaij, R.; Abellán Beteta, C.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; e.a. (American Physical Society, 2016-08) -
Evidence for the decay B[subscript S][superscript 0]→[¯ over K][superscript ∗0]μ[superscript +]μ[superscript −]
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2018-07)A search for the decay B[superscript 0][subscript S]→[¯ over K][superscript ∗ 0]μ[superscript +] μ[superscript −] is presented using data sets corresponding to 1.0, 2.0 and 1.6 fb[superscript −1] of integrated luminosity ... -
Evidence for the decays B0 → 𝐷(*)0 ϕ and updated measurements of the branching fractions of the 𝐵0𝑠 → 𝐷(*)0 ϕ decays
Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinén, F.; Ackernley, T.; e.a. (Springer Berlin Heidelberg, 2023-10-20)Abstract Evidence for the decays B0 → D ¯ ... -
Evidence for the Rare Decay Σ⁺→pμ⁺μ⁻
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2018-05)A search for the rare decay Σ⁺→pμ⁺μ⁻ is performed using pp collision data recorded by the LHCb experiment at center-of-mass energies √s = 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb⁻¹. An excess of ... -
Evidence for the Strangeness-Changing Weak Decay Ξ [− over b] → Λ[0 over b]π[superscript −]
Aaij, R.; Abellán Beteta, C.; Adeva, B.; Adinolfi, M.; Affolder, A.; e.a. (American Physical Society, 2015-12)Using a pp collision data sample corresponding to an integrated luminosity of 3.0 fb[superscript -1], collected by the LHCb detector, we present the first search for the strangeness-changing weak decay Ξ[- over b] → Λ[0 ... -
First evidence for the annihilation decay mode B[superscript +] → D[superscript +][subscript s]φ
Aaij, R.; Beteta, C. A; Adametz, A.; Adeva, B.; Adinolfi, M.; e.a. (Springer Berlin Heidelberg, 2013-02)Abstract: Evidence for the hadronic annihilation decay mode B[superscript +] → D[superscript +][subscript s] φ is found with greater than 3σ significance. The branching fraction and CP asymmetry are measured to be ... -
First Experimental Study of Photon Polarization in Radiative B[subscript s][superscript 0] Decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2017-01)The polarization of photons produced in radiative B[subscript s][superscript 0] decays is studied for the first time. The data are recorded by the LHCb experiment in pp collisions corresponding to an integrated luminosity ... -
First measurement of the CP-violating phase in B0s→J/ψ( → e+e−)ϕ decays
Aaij, R.; Abellán Beteta, C.; Ackernley, T.; Adeva, B.; Adinolfi, M.; e.a. (Springer Berlin Heidelberg, 2021-11-24)A flavour-tagged time-dependent angular analysis of B0s→J/ψϕ decays is presented where the J/ψ meson is reconstructed through its decay to an e+e− pair. The analysis uses a sample of pp collision data recorded with the ... -
First measurement of the CP-violating phase ϕ[superscript d[bar over d]][subscript ] in B[subscript s]superscript 0] → (K[superscript +]π[superscript −])(K[superscript −]π[superscript +]) decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2018-03)A flavour-tagged decay-time-dependent amplitude analysis of B[subscript s][superscript 0] → (K[superscript +]π[superscript −])(K[superscript −]π[superscript +]) decays is presented in the K[superscript ±]π[superscript ∓] ... -
First measurement of the differential branching fraction and CP asymmetry of the B[superscript ±] → π[superscript ± ]μ[superscript +]μ[superscript −] decay
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (Springer Berlin Heidelberg, 2015-10)The differential branching fraction with respect to the dimuon invariant mass squared, and the CP asymmetry of the B[superscript ±] → π[superscript ±]μ[superscript +]μ[superscript −] decay are measured for the first time. ... -
First observation and amplitude analysis of the B[superscript -] → D[superscript +]K[superscript -]π[superscript -] decay
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2015-05)The B[superscript -] → D[superscript +]K[superscript -]π[superscript -] decay is observed in a data sample corresponding to 3.0 fb^{-1} of pp collision data recorded by the LHCb experiment during 2011 and 2012. Its branching ... -
First observation and branching fraction measurement of the Λ b 0 → D s − p $$ {\Lambda}_b^0\to {D}_s^{-}p $$ decay
Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinén, F.; Ackernley, T.; e.a. (Springer Berlin Heidelberg, 2023-07-10)Abstract The first observation of the Λ b ... -
First Observation of a Baryonic B[superscript 0][subscript s] Decay
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2017-07)We report the first observation of a baryonic B[superscript 0][subscript s] decay, B[superscript 0][subscript s] →p[bar over Λ]K[superscript -], using proton-proton collision data recorded by the LHCb experiment at ... -
First observation of B[superscript +] → D[subscript s][superscript +]K[superscript +]K[superscript −] decays and a search for B[superscript +] → D[subscript s][superscript +]ϕ decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2018-01)A search for B[superscript +] → D[superscript +][subscript s] K[superscript +]K[superscript −] decays is performed using pp collision data corresponding to an integrated luminosity of 4.8 fb[superscript −1], collected at ... -
First observation of B⁺ → Ds⁺K⁺K⁻ decays and a search for B⁺ → Ds⁺ϕ decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2018-01)A search for B⁺ → D[subscript s]⁺K⁺K⁻ decays is performed using pp collision data corresponding to an integrated luminosity of 4.8 fb⁻1, collected at centre-of-mass energies of 7, 8 and 13 TeV with the LHCb experiment. A ... -
First Observation of D⁰−̅D⁰ Oscillations in D⁰→K⁺π⁻π⁺π⁻ Decays and Measurement of the Associated Coherence Parameters
Aaij, R.; Abellán Beteta, C.; Adeva, B.; Adinolfi, M.; Affolder, A.; e.a. (American Physical Society, 2016-06)