Now showing items 1-9 of 9

    • Angular analysis and differential branching fraction of the decay B 0s → ϕμ + μ − 

      LHCb Collaboration; Adeva Andany, Bernardo; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Gallas Torreira, Abraham Antonio; García Pardiñas, Julián; 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; Hernando Morata, José Ángel (Springer, 2015)
      An angular analysis and a measurement of the differential branching fraction of the decay B 0s → ϕμ + μ − are presented, using data corresponding to an integrated luminosity of 3.0 fb−1 of pp collisions recorded by the ...
    • Coherent ρ 0 photoproduction in ultra-peripheral Pb-Pb collisions at √sNN=2.76 TeV 

      ALICE Collaboration; Armesto Pérez, Néstor; González Ferreiro, Elena; Pajares Vales, Carlos; Salgado López, Carlos Alberto (Springer, 2015)
      We report the first measurement at the LHC of coherent photoproduction of ρ 0 mesons in ultra-peripheral Pb-Pb collisions. The invariant mass and transverse momentum distributions for ρ 0 production are studied in the ...
    • 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 ...
    • Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV 

      ALICE Collaboration; Armesto Pérez, Néstor; González Ferreiro, Elena; Pajares Vales, Carlos; Salgado López, Carlos Alberto (Springer, 2015)
      The strength of forward-backward (FB) multiplicity correlations is measured by the ALICE detector in proton-proton (pp) collisions at √s= 0.9, 2.76 and 7 TeV. The measurement is performed in the central pseudorapidity ...
    • Inclusive, prompt and non-prompt J/ψ production at mid-rapidity in Pb-Pb collisions at √sNN = 2.76 TeV 

      ALICE Collaboration; Armesto Pérez, Néstor; González Ferreiro, Elena; Pajares Vales, Carlos; Salgado López, Carlos Alberto (Springer, 2015)
      The transverse momentum (pT) dependence of the nuclear modification factor RAA and the centrality dependence of the average transverse momentum 〈pT〉 for inclusive J/ψ have been measured with ALICE for Pb-Pb collisions at ...
    • Measurement of charm and beauty production at central rapidity versus charged-particle multiplicity in proton-proton collisions at √s=7 TeV 

      ALICE Collaboration; Armesto Pérez, Néstor; González Ferreiro, Elena; Pajares Vales, Carlos; Salgado López, Carlos Alberto (Springer, 2015)
      Prompt D meson and non-prompt J/ψ yields are studied as a function of the multiplicity of charged particles produced in inelastic proton-proton collisions at a centre-of-mass energy of √s=7 TeV. The results are reported ...
    • 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 forward-backward asymmetry in Z/γ∗ → μ + μ − decays and determination of the effective weak mixing angle 

      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; Prisciandaro, James J.; 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 forward-backward charge asymmetry for the process qq→Z/γ∗→μ+μ− is measured as a function of the invariant mass of the dimuon system. Measurements are performed using proton proton collision data collected with the LHCb ...
    • Observation of associated production of a Z boson with a D meson in the forward region 

      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 associated production of a Z boson with an open charm meson is presented using a data sample, corresponding to an integrated luminosity of 1.0 fb−1 of proton-proton collisions at a centre-of-mass energy of ...





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