Browsing by Author "Baalouch, M."
Now showing items 21-40 of 109
-
First Observation of Top Quark Production in the Forward Region
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2015-09)Top quark production in the forward region in proton-proton collisions is observed for the first time. The W + b final state with W → μν is reconstructed using muons with a transverse momentum, p[subscript T], larger than ... -
Measurement of B[+ over c] Production in Proton-Proton Collisions at √s = 8 TeV
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2015-04)Production of B[+ over c] mesons in proton-proton collisions at a center-of-mass energy of 8 TeV is studied with data corresponding to an integrated luminosity of 2.0 fb[superscript -1] recorded by the LHCb experiment. ... -
Measurement of B[superscript 0][subscript s] and D[superscript −][subscript s] Meson Lifetimes
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2017-09)We report on a measurement of the flavor-specific B[subscript s]⁰ lifetime and of the D[subscript s]⁻ lifetime using proton-proton collisions at center-of-mass energies of 7 and 8 TeV, collected by the LHCb experiment and ... -
Measurement of branching fractions of charmless four-body Λb0 and Ξb0 decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2018-02)A search for charmless four-body decays of Λb0 and Ξb0 baryons with a proton and three charged mesons (either kaons or pions) in the final state is performed. The data sample used was recorded in 2011 and 2012 with the ... -
Measurement of CP asymmetry in B[subscript s][superscript 0 ]→ D[subscript s][superscript ∓]K[superscript ±] decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer International Publishing AG, 2018-03)We report the measurements of the CP-violating parameters in B[subscript s][superscript 0]→ D [subscript s][superscript ∓]K[superscript ±] decays observed in pp collisions, using a data set corresponding to an integrated ... -
Measurement of CP asymmetry in Bs0 → Ds∓K± decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2018-03)Abstract We report the measurements of the CP -violating parameters in B s 0 → D ... -
Measurement of CP observables in B[superscript ±] → DK*[superscript ±] decays using two- and four-body D final states
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2017-11)Measurements of CP observables inB[superscript ±] → DK*[superscript ±] decays are presented, where D denotes a superposition of D⁰ and [overline D⁰] meson states. Decays of the D meson to K⁻π⁺, K⁻K⁺, π⁻π⁺, K⁻π⁺π⁻π⁺ and ... -
Measurement of CP violation in B0 → J/ψKS0 and B0 → ψ(2S)KS0 decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2017-11)Abstract A measurement is presented of decay-time-dependent CP violation in the decays B0 → J/ψ K S 0 and B0 → ψ(2S)K ... -
Measurement of CP Violation in B[superscript 0] → J/ψK[0 over S] Decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2015-07)Measurements are presented of the CP violation observables S and C in the decays of B[superscript 0] and [bar over B][superscript 0] mesons to the J/ψK[0 over S] final state. The data sample corresponds to an integrated ... -
Measurement of CP Violation in B[superscript 0]→D⁺D⁻ Decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2016-12) -
Measurement of CP violation parameters in B<[superscript 0] → DK[superscript *0] decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2014-12)An analysis of B[superscript 0] → DK[superscript *0] decays is presented, where D represents an admixture of D[superscript 0] and [bar over D][superscript 0] mesons reconstructed in four separate final states: K[superscript ... -
Measurement of forward J/ψ production cross-sections in pp collisions at √s = 13 TeV
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (Springer-Verlag/SISSA, 2015-10) -
Measurement of forward W and Z boson production in association with jets in proton-proton collisions at √s = 8 TeV
Aaij, R.; Abellán Beteta, C.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; e.a. (Springer Berlin Heidelberg, 2016-05)The production of W and Z bosons in association with jets is studied in the forward region of proton-proton collisions collected at a centre-of-mass energy of 8 TeV by the LHCb experiment, corresponding to an integrated ... -
Measurement of the B[superscript 0][subscript s] → μ [superscript +] μ [superscript −] Branching Fraction and Effective Lifetime and Search for B[superscript 0] → μ[superscript +] μ [superscript −] Decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2017-05)A search for the rare decays B[superscript 0] [subscript s] →μ [superscript +] μ[superscript -] and B[superscript 0] →μ[superscript +] μ[superscript -] is performed at the LHCb experiment using data collected in pp collisions ... -
Measurement of the [bar over B][0 over s] Meson Lifetime in D[+ over s]π[superscript −] Decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2014-10)We present a measurement of the ratio of the [bar over B][0 over s] meson lifetime, in the flavor-specific decay to D[+ over s]π[superscript −], to that of the [bar over B][superscript 0] meson. The pp collision data used ... -
Measurement of the b-Quark Production Cross Section in 7 and 13 TeV pp Collisions
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2017-02)Measurements of the cross section for producing b quarks in the reaction pp→bb[over ¯]X are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapidity η in the range 2<η<5 covered by the acceptance ... -
Measurement of the B[superscript 0][subscript s]→D[superscript (*)+][subscript s]D[superscript(*)−][subscript s] branching fractions
Aaij, R.; Abellán Beteta, C.; Adeva, B.; Adinolfi, M.; Affolder, A.; e.a. (American Physical Society, 2016-05) -
Measurement of the B[superscript ±] production asymmetry and the CP asymmetry in B[superscript ±] → J/ψK[superscript ±] decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2017-03)The B[superscript ±] meson production asymmetry in pp collisions is measured using B[superscript +]→[bar over D][superscript 0]π[superscript +] decays. The data were recorded by the LHCb experiment during Run 1 of the LHC ... -
Measurement of the branching fraction ratio B(B[+ over c] → ψ(2S)π[superscript +])/B(B[+ over c] → J/ψπ[superscript +])
Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; e.a. (American Physical Society, 2015-10)Using pp collision data collected by LHCb at center-of-mass energies √s = 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb[superscript -1], the ratio of the branching fraction of the B[+ over c] → ... -
A Measurement of the CP Asymmetry Difference between Λ[subscript c][superscript +] → PK[superscript −]K[superscript +] and Pπ[superscript −]π[superscript +] Decays
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2018-03)Abstract: The difference between the CP asymmetries in the decays Λ [superscript +][subscript c] → pK[superscript −]K[superscript +] and Λ [superscript +][subscript c] → pπ[superscript −]π[superscript +] is presented. ...