Now showing items 1-19 of 19

    • Determination of the branching fractions of B0S → D∓S K ∓ and B0 → D −S K + 

      LHCb Collaboration; Adeva Andany, Bernardo; Álvarez Cartelle, Paula; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2015)
      Measurements are presented of the branching fractions of the decays B 0S → D ∓S K ∓ and B 0 → D −S K + relative to the decays B 0S → D −S π + and B 0 → D − π +, respectively. The data used correspond to an integrated ...
    • Differential branching fraction and angular analysis of Λ 0b → Λμ+μ− decays 

      LHCb Collaboration; Adeva Andany, Bernardo; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2015)
      The differential branching fraction of the rare decay Λ 0b → Λμ+μ− is measured as a function of q2, the square of the dimuon invariant mass. The analysis is performed using proton-proton collision data, corresponding to ...
    • Differential branching fractions and isospin asymmetries of B → K (*) μ + μ − decays 

      LHCb Collaboration; Adeva Andany, Bernardo; Álvarez Cartelle, Paula; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; Hernando Morata, José Ángel; Pazos Álvarez, Antonio; Pérez Trigo, Eliseo; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Seco Miguélez, Marcos Antonio; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2014)
      The isospin asymmetries of B → Kμ + μ − and B → K * μ + μ − decays and the partial branching fractions of the B 0 → K 0 μ + μ −, B + → K + μ + μ − and B + → K *+ μ + μ − decays are measured as functions of the dimuon mass ...
    • Evidence for the decay B+c→J/ψ3π+2π− 

      LHCb Collaboration; Adeva Andany, Bernardo; Álvarez Cartelle, Paula; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; Hernando Morata, José Ángel; Pazos Álvarez, Antonio; Pérez Trigo, Eliseo; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Seco Miguélez, Marcos Antonio; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos (Springer, 2014)
      Evidence is presented for the decay B + c → J/ψ3π +2π − using proton-proton collision data, corresponding to an integrated luminosity of 3 fb−1 , collected with the LHCb detector. A signal yield of 32 ± 8 decays is ...
    • First measurement of the differential branching fraction and CP asymmetry of the B ± → π ± μ + μ − decay 

      LHCb Collaboration; Adeva Andany, Bernardo; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Lemos Cid, Edgar; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2015)
      The differential branching fraction with respect to the dimuon invariant mass squared, and the CP asymmetry of the B ± → π ± μ + μ − decay are measured for the first time. The CKM matrix elements |V td | and |V ts |, and ...
    • First observation and measurement of the branching fraction for the decay B 0s → D ∗s ∓ K ± 

      LHCb Collaboration; Adeva Andany, Bernardo; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2015)
      The first observation of the B 0s → D ∗s ∓ K ± decay is reported using 3.0 fb−1 of proton-proton collision data collected by the LHCb experiment. The D ∗s ∓ mesons are reconstructed through the decay chain D ∗s ∓ → γD ...
    • Measurement of CP violation parameters and polarisation fractions in B0s→J/ψK∗0 decays 

      LHCb Collaboration; Adeva Andany, Bernardo; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Lemos Cid, Edgar; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María; Sanmartín Sedes, Brais (Springer, 2015)
      The first measurement of CP asymmetries in the decay B0s→J/ψK∗(892)0 and an updated measurement of its branching fraction and polarisation fractions are presented. The results are obtained using data corresponding to an ...
    • Measurement of the B 0s → ϕϕ branching fraction and search for the decay B 0 → ϕϕ 

      LHCb Collaboration; Adeva Andany, Bernardo; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2015)
      Using a dataset corresponding to an integrated luminosity of 3.0 fb−1 collected in pp collisions at centre-of-mass energies of 7 and 8 TeV, the B 0s → ϕϕ branching fraction is measured to be B(B0s→ϕϕ)=(1.84±0.05(stat ...
    • Measurement of the ratio of branching fractions B(B+c→J/ψK+)/B(B+c→J/ψπ+) 

      LHCb Collaboration; Adeva Andany, Bernardo; Borsato, Martino; Chobanova, Veronika; Cid Vidal, Xabier; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Lemos Cid, Edgar; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Prisciandaro, Jessica; Ramos Pernas, Miguel; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vieites Díaz, María; Vázquez Sierra, Carlos (Springer, 2016)
      The ratio of branching fractions RK/π≡B(B+c→J/ψK+)/B(B+c→J/ψπ+) is measured with pp collision data collected by the LHCb experiment at centre-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity ...
    • Measurement of the time-dependent CP asymmetries in B0s → J/ψK0S 

      LHCb Collaboration; Adeva Andany, Bernardo; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2015)
      The first measurement of decay-time-dependent CP asymmetries in the decay B0s → J/ψK0S and an updated measurement of the ratio of branching fractions B(B0s→J/ψK0S)/B(B0→J/ψK0S)are presented. The results are obtained using ...
    • Observation of B0s →K*∓ K∓ and evidence for B0s →K* −π+ decays 

      LHCb Collaboration; Adeva Andany, Bernardo; Álvarez Cartelle, Paula; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Pazos Álvarez, Antonio; Pérez Trigo, Eliseo; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Seco Miguélez, Marcos Antonio; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (IOP Publishing, 2014)
      Measurements of the branching fractions of B0s→K∗±K∓ and B0s→K∗±π∓ decays are performed using a data sample corresponding to 1.0 fb−1 of proton-proton collision data collected with the LHCb detector at a centre-of-mass ...
    • Observation of the decay B0s → η c ϕ and evidence for B 0s → η c π + π − 

      LHCb Collaboration; Adeva Andany, Bernardo; Borsato, Martino; Chobanova, Veronika; Cid Vidal, Xabier; Dosil Suárez, Álvaro; Fernández Prieto, Antonio; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Lemos Cid, Edgar; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Prisciandaro, Jessica; Ramos Pernas, Miguel; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vieites Díaz, María; Vázquez Sierra, Carlos (Springer, 2017)
      A study of B0s → η c ϕ and B0s → η c π + π − decays is performed using pp collision data corresponding to an integrated luminosity of 3.0 fb−1, collected with the LHCb detector in Run 1 of the LHC. The observation of the ...
    • Observation of the Λ0b → J/ψ pπ − decay 

      LHCb Collaboration; Adeva Andany, Bernardo; Álvarez Cartelle, Paula; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; Hernando Morata, José Ángel; Pazos Álvarez, Antonio; Pérez Trigo, Eliseo; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Seco Miguélez, Marcos Antonio; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2014)
      The first observation of the Cabibbo-suppressed decay Λ 0b → J/ψpπ − is reported using a data sample of proton-proton collisions at 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb−1. A prominent signal is ...
    • Search for the decay B0s→D¯0f0 (980) 

      LHCb Collaboration; Adeva Andany, Bernardo; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Lucio Martínez, Miriam; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2015)
      A search for B0s→D¯0f0(980) decays is performed using 3.0 fb1− of pp collision data recorded by the LHCb experiment during 2011 and 2012. The f0(980) meson is reconstructed through its decay to the π+π− final state in the ...
    • Searches for Λ0b and Ξ0b decays to K0Spπ− and K0SpK− final states with first observation of the Λ0b→K0Spπ− decay 

      LHCb Collaboration; Adeva Andany, Bernardo; Álvarez Cartelle, Paula; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; Hernando Morata, José Ángel; Pazos Álvarez, Antonio; Pérez Trigo, Eliseo; Plo Casasus, Máximo; Rodríguez Pérez, Pablo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Seco Miguélez, Marcos Antonio; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos (Springer, 2014)
      A search for previously unobserved decays of beauty baryons to the final states K0spπ- and K0 spK- is reported. The analysis is based on a data sample corresponding to an integrated luminosity of 1.0 fb- of pp collisions. ...
    • Study of the kinematic dependences of Λ 0b production in pp collisions and a measurement of the Λ 0b → Λ +c π − branching fraction 

      LHCb Collaboration; Adeva Andany, Bernardo; Álvarez Cartelle, Paula; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; Hernando Morata, José Ángel; Pazos Álvarez, Antonio; Pérez Trigo, Eliseo; Plo Casasus, Máximo; Rodríguez Pérez, Pablo; Romero Vidal, Antonio; Sanmartín Sedes, Brais; Seco Miguélez, Marcos Antonio; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos (Springer, 2014)
      The kinematic dependences of the relative production rates, fΛ0b/fd, of Λ 0b baryons and B 0 mesons are measured using Λ 0b → Λ +c π − and B¯0 →D+π− decays. The measurements use proton-proton collision data, corresponding ...
    • Study of η − η′ mixing from measurement of B 0(s) → J/ψη(′) decay rates 

      LHCb Collaboration; Adeva Andany, Bernardo; Álvarez Cartelle, Paula; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Hernando Morata, José Ángel; Plo Casasus, Máximo; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vázquez Sierra, Carlos; Vieites Díaz, María (Springer, 2015)
      A study of B and Bs meson decays into J/ψ η and J/ψ η′ final states is performed using a data set of proton-proton collisions at centre-of-mass energies of 7 and 8 TeV, collected by the LCHb experiment and corresponding ...
    • Test of lepton universality with B0 → K *0 ℓ + ℓ − decays 

      LHCb Collaboration; Adeva Andany, Bernardo; Borsato, Martino; Chobanova, Veronika; Cid Vidal, Xabier; Dosil Suárez, Álvaro; Fernández Prieto, Antonio; García Pardiñas, Julián; Lemos Cid, Edgar; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Prisciandaro, Jessica; Ramos Pernas, Miguel; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vieites Díaz, María; Vázquez Sierra, Carlos (Springer, 2017)
      A test of lepton universality, performed by measuring the ratio of the branching fractions of the B 0 → K *0 μ + μ − and B 0 → K *0 e + e − decays, RK∗0, is presented. The K *0 meson is reconstructed in the final state K ...
    • Updated branching fraction measurements of B0(s) → K0Sh+h′ − decays 

      LHCb Collaboration; Adeva Andany, Bernardo; Borsato, Martino; Chobanova, Veronika; Cid Vidal, Xabier; Dosil Suárez, Álvaro; Fernández Prieto, Antonio; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; Lemos Cid, Edgar; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Prisciandaro, Jessica; Ramos Pernas, Miguel; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vieites Díaz, María; Vázquez Sierra, Carlos (Springer, 2017)
      The charmless three-body decays B 0( s) → K0Sh+h′ − (where h(′) = π, K) are analysed using a sample of pp collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 3 fb−1. The branching ...





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