Now showing items 1-20 of 290

    • An analysis of the impact of LHC Run I proton–lead data on nuclear parton densities 

      Armesto Pérez, Néstor; Paukkunen, Hannu; Penín Ascariz, José Manuel; Salgado López, Carlos Alberto; Zurita, María Pía (Springer, 2016-04-21)
      We report on an analysis of the impact of available experimental data on hard processes in proton–lead collisions during Run I at the large hadron collider on nuclear modifications of parton distribution functions. Our ...
    • 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 ...
    • Angular analysis of B0→D∗−D∗+s with D∗+s→D+sγ decays 

      LHCb Collaboration; Adeva Andany, Bernardo; Baladrón Rodríguez, Pablo; Boente García, Óscar; Brea Rodríguez, Alexandre; Casais Vidal, Adrián; Chobanova, Veronika; Cid Vidal, Xabier; Dalseno, Jeremy; Dieste Maroñas, Lorena; Fernández Prieto, Antonio; Gallas Torreira, Abraham Antonio; García Plana, Beatriz; Gioventù, Alessandra; Lomba Castro, Julián; Martínez Santos, Diego; Parkinson, Chris J.; Plo Casasus, Máximo; Prouve, Claire; Romero Lamas, Marcos; Romero Vidal, Antonio; Saborido Silva, Juan José; Santamarina Ríos, Cibrán; Sellam, Sara; Vázquez Gómez, R.; Vázquez Regueiro, Pablo (Springer, 2021)
      The first full angular analysis of the B0→D∗−D∗+s decay is performed using 6 fb−1 of pp collision data collected with the LHCb experiment at a centre-of-mass energy of 13 TeV. The D∗+s→D+sγ and D*− → D¯¯¯¯0π− vector meson ...
    • Angular analysis of charged and neutral B → Kμ + 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 angular distributions of the rare decays B + → K + μ + μ − and B0→K0Sμ+μ− are studied with data corresponding to 3fb−1 of integrated luminosity, collected in proton-proton collisions at 7 and 8 TeV centre-of-mass ...
    • Angular analysis of the B0 → K*0e+e− decay in the low-q2 region 

      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)
      An angular analysis of the B0 → K*0e+e− decay is performed using a data sample, corresponding to an integrated luminosity of 3.0 fb−1, collected by the LHCb experiment in pp collisions at centre-of-mass energies of 7 and ...
    • Angular moments of the decay Λ0b → Λμ+μ− at low hadronic recoil 

      LHCb Collaboration; Adeva Andany, Bernardo; Alves Junior, Antonio Augusto; Boente García, Óscar; Borsato, Martino; Chobanova, Veronika; Cid Vidal, Xabier; Dosil Suárez, Álvaro; Fernández Prieto, Antonio; Gallas Torreira, Abraham Antonio; García Plana, Beatriz; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Prisciandaro, James J.; Ramos Pernas, Miguel; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vieites Díaz, María (Springer, 2018)
      An analysis of the angular distribution of the decay Λ0b → Λμ+μ− is presented, using data collected with the LHCb detector between 2011 and 2016 and corresponding to an integrated luminosity of approximately 5 fb−1. Angular ...
    • Anisotropic D3-D5 black holes with unquenched flavors 

      Penín Ascariz, José Manuel; Vázquez Ramallo, Alfonso; Zoakos, Dimitrios (Springer, 2018)
      We construct a black hole geometry generated by the intersection of N c color D3- branes and N f flavor D5-branes along a 2+1 dimensional subspace. Working in the Veneziano limit in which N f is large and distributing ...
    • Beauty production in pp collisions at √s=2.76 TeV measured via semi-electronic decays 

      ALICE Collaboration; Armesto Pérez, Néstor; González Ferreiro, Elena; Pajares Vales, Carlos; Salgado López, Carlos Alberto (Elsevier, 2014)
      The ALICE Collaboration at the LHC reports measurement of the inclusive production cross section of electrons from semi-leptonic decays of beauty hadrons with rapidity |y| <0.8and transverse momentum 1 <pT<10GeV/c, in pp ...
    • Bose enhancement and the ridge 

      Altinoluk, Tolga; Armesto Pérez, Néstor; Beauf, Guillaume; Kovner, Alex; Lublinsky, Michael (Elsevier, 2015)
      We point out that Bose enhancement in a hadronic wave function generically leads to correlations between produced particles. We show explicitly, by calculating the projectile density matrix in the Color Glass Condensate ...
    • Bose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at √s=7 TeV 

      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)
      Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb experiment. The signature for Bose-Einstein ...
    • BPS Skyrmions as neutron stars 

      Adam, Christoph; Naya Rodríguez, Carlos; Sánchez Guillén, José Joaquín; Vázquez López, Ricardo Antonio; Wereszczynski, Andrzej (Elsevier, 2015)
      The BPS Skyrme model has been demonstrated already to provide a physically intriguing and quantita-tively reliable description of nuclear matter. Indeed, the model has both the symmetries and the energy–momentum tensor of ...
    • BPS soliton-impurity models and supersymmetry 

      Adam, Christoph; Fernández Queiruga, José Manuel; Wereszczynski, Andrzej (Springer, 2019)
      We find supersymmetric extensions of the half-BPS soliton-impurity models in (1+1) dimensions which preserve half of the N = 1 supersymmetry. This is related to the fact that in the bosonic sector (i.e., the half-BPS ...
    • BPS submodels of the Skyrme mode 

      Adam, Christoph; Sánchez Guillén, Joaquín; Wereszczynski, Andrzej (Elsevier, 2017-04-05)
      We show that the standard Skyrme model without pion mass term can be expressed as a sum of two BPS submodels, i.e., of two models whose static field equations, independently, can be reduced to first order equations. Further, ...
    • Causality constraints on corrections to the graviton three-point coupling 

      Otero Camaño, Xián; Edelstein Glaubach, José Daniel; Maldacena, Juan; Zhiboedov, Alexander (Springer, 2016-02-03)
      We consider higher derivative corrections to the graviton three-point coupling within a weakly coupled theory of gravity. Lorentz invariance allows further structures beyond the one present in the Einstein theory. We ...
    • Cavitation effects on the confinement/deconfinement transition 

      Buchel, Alex; Otero Camaño, Xián; Edelstein Glaubach, José Daniel (Elsevier, 2014)
      Cavitation is a process where the viscous terms in a relativistic fluid result in reducing the effective pres-sure, thus facilitating the nucleation of bubbles of a stable phase. The effect is particularly pronounced in ...
    • Central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at √s=13 TeV 

      LHCb Collaboration; Adeva Andany, Bernardo; Boente García, Óscar; Borsato, Martino; Chobanova, Veronika; Cid Vidal, Xabier; Dosil Suárez, Álvaro; Fernández Prieto, Antonio; García Plana, Beatriz; García Pardiñas, Julián; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Prisciandaro, James J.; Ramos Pernas, Miguel; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vieites Díaz, María (Springer, 2018)
      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 ...
    • Centrality dependence of charged jet production in p–Pb collisions at √sNN= 5.02 TeV 

      ALICE Collaboration; González Ferreiro, Elena (Springer, 2016)
      Measurements of charged jet production as a function of centrality are presented for p–Pb collisions recorded at √ sNN = 5.02TeVwith theALICEdetector.Centrality classes are determined via the energy deposit in ...
    • Centrality dependence of inclusive J/ψ production in p-Pb collisions at √sNN =5.02 TeV 

      ALICE Collaboration; Armesto Pérez, Néstor; González Ferreiro, Elena; Pajares Vales, Carlos; Salgado López, Carlos Alberto (Springer, 2015)
      We present a measurement of inclusive J=ψ production in p-Pb collisions at √ sNN = 5:02TeV as a function of the centrality of the collision, as estimated from the energy deposited in the Zero Degree Calorimeters. The ...
    • Centrality dependence of the pseudorapidity density distribution for charged particles in Pb–Pb collisions at √sNN=5.02 TeV 

      ALICE Collaboration; González Ferreiro, Elena (Elsevier, 2017)
      We present the charged-particle pseudorapidity density in Pb–Pb collisions at √sNN=5.02TeVin centrality classes measured by ALICE. The measurement covers a wide pseudorapidity range from −3.5to 5, which is sufficient for ...
    • Centrality dependence of ψ(2S) suppression in p-Pb collisions at √sNN=5.02 TeV 

      ALICE Collaboration; González Ferreiro, Elena (Springer, 2016)
      The inclusive production of the (2S) charmonium state was studied as a function of centrality in p-Pb collisions at the nucleon-nucleon center of mass energy √sNN = 5.02TeV at the CERN LHC. The measurement was performed ...





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