Browsing MIT Open Access Articles by Author "Vacca, C."
Now showing items 1-20 of 123
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Amplitude analysis of B[superscript +] →J/ψϕK[superscript +] decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2017-01) -
Amplitude analysis of B[superscript 0] → [bar over D][superscript 0]K[superscript +]π[superscript -] decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2015-07)The Dalitz plot distribution of B[superscript 0] → [bar over D][superscript 0]K[superscript +]π[superscript -] decays is studied using a data sample corresponding to 3.0 fb[superscript -1] of pp collision data recorded ... -
Amplitude analysis of B[superscript −]→D[superscript +]π[superscript −]π[superscript −] decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2016-10)The Dalitz plot analysis technique is used to study the resonant substructures of B[superscript -]→D[superscript +]π[superscript -]π[superscript -] decays in a data sample corresponding to 3.0 fb[superscript -1] of pp ... -
Amplitude Analysis of the Decay [¯ over B][superscript 0] → K[subscript S][superscript 0]π[superscript +]π[superscript −] and First Observation of the C P Asymmetry in [¯ over B][superscript 0] → K[supercript *] ( 892 )[superscript −] π[superscript +]
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2018-06)The time-integrated untagged Dalitz plot of the three-body hadronic charmless decay [¯ over B][superscript 0]→K[subscript S][superscript 0]π[superscript +]π[superscript -] is studied using a pp collision data sample recorded ... -
Central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at √s = 13 TeV
Aaij, R.; Adeva, B.; Adinolfi, M.; Aidala, C. A; Ajaltouni, Z.; e.a. (Springer Berlin Heidelberg, 2018-10)Measurements are reported of the central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at a centre-of-mass energy of 13 TeV. Backgrounds are significantly reduced compared to previous measurements made at ... -
Constraints on the unitarity triangle angle γ from Dalitz plot analysis of B⁰→DK⁺π⁻ decays
Aaij, R.; Abellán Beteta, C.; Adeva, B.; Adinolfi, M.; Affolder, A.; e.a. (American Physical Society, 2016-06) -
Dalitz plot analysis of B[superscript 0] → [bar over D][superscript 0]π[superscript +]π[superscript -] decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2015-08)The resonant substructures of B[superscript 0] → [bar over D][superscript 0]π[superscript +]π[superscript -] decays are studied with the Dalitz plot technique. In this study a data sample 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 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 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 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 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 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)