Now showing items 21-40 of 290

    • Centrality, rapidity and transverse momentum dependence of J/ψsuppression in Pb–Pb collisions at √sNN=2.76TeV 

      ALICE Collaboration; Armesto Pérez, Néstor; González Ferreiro, Elena; Pajares Vales, Carlos; Salgado López, Carlos Alberto (Elsevier, 2014)
      The inclusive J/ψnuclear modification factor (RAA) in Pb–Pb collisions at √sNN=2.76TeVhas been measured by ALICE as a function of centrality in the e+e−decay channel at mid-rapidity (|y| <0.8) and as a function of centrality, ...
    • CGC beyond eikonal accuracy: finite width target effects 

      Altinoluk, Tolga; Armesto Pérez, Néstor; Beuf, Guillaume; Moscoso Rial, Alexis (EDP Sciences, 2016-03-21)
      We present a method to systematically include the corrections to the eikonal approximation that are associated with the finite width of the target. The retarded gluon propagator in background field is calculated at ...
    • Charged-particle multiplicity distributions over a wide pseudorapidity range in proton-proton collisions at √s= 0.9, 7, and 8 TeV 

      ALICE Collaboration; González Ferreiro, Elena (Springer, 2017)
      We present the charged-particle multiplicity distributions over a wide pseudorapidity range (−3.4<η<5.0) for pp collisions at √s=0.9,7, and 8 TeV at the LHC. Results are based on information from the Silicon Pixel Detector ...
    • Charmonium dissociation and recombination at LHC: revisiting comovers 

      González Ferreiro, Elena (Elsevier, 2014)
      We present our results on charmonium production at the Large Hadron Collider energies within the comover interaction model. The formalism includes both comover dissociation of J/ψ’s and possible secondary J/ψ production ...
    • 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 ...
    • Coherent ψ(2S) photo-production 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 (Elsevier, 2015)
      We have performed the first measurement of the coherent ψ(2S)photo-production cross section in ultra-peripheral Pb–Pb collisions at the LHC. This charmonium excited state is reconstructed via the ψ(2S) →l+l−and ψ(2S) ...
    • Cold holographic matter in the Higgs branch 

      Itsios, Georgios; Jokela, Niko; Vázquez Ramallo, Alfonso (Elsevier, 2015)
      We study collective excitations of cold (2 +1)-dimensional fundamental matter living on a defect of the four-dimensional N=4super Yang–Mills theory in the Higgs branch. This system is realized holographically as a D3–D5 ...
    • Collapse and revival in holographic quenches 

      Silva, Emilia da; López, Esperanza; Mas Solé, Javier; Serantes Rubianes, Alexandre (Springer, 2015)
      We study holographic models related to global quantum quenches in finite size systems. The holographic set up describes naturally a CFT, which we consider on a circle and a sphere. The enhanced symmetry of the conformal ...
    • Color coherence in a heavy quark antenna radiating gluons inside a QCD medium 

      Rodríguez Calvo, Manoel; Rodríguez-Moldes Díaz, Manoel Anxo; Salgado López, Carlos Alberto (Elsevier, 2014)
      We compute the color coherence effects for soft gluon radiation off antennas containing heavy quarks in the presence of a QCD medium – the actual calculations is made for a triplet configuration and then generalize to both ...
    • Compactifications of the Klebanov-Witten CFT and new AdS3 backgrounds 

      Bea Besada, Yago; Edelstein Glaubach, José Daniel; Itsios, Georgios; Kooner, Karta S.; Núñez, Carlos; Schofield, Daniel; Sierra García, Jesús Aníbal (Springer, 2015)
      In this paper we find various new backgrounds in Type IIB, IIA and M-theory with an AdS3-factor. The solutions are smooth and preserve small amounts of SUSY. These new backgrounds are found by application of non-Abelian ...
    • Constraining the magnitude of the Chiral Magnetic Effect with Event Shape Engineering in Pb–Pb collisions at √sNN=2.76 TeV 

      ALICE Collaboration; González Ferreiro, Elena (Elsevier, 2018)
      In ultrarelativistic heavy-ion collisions, the event-by-event variation of the elliptic flow v2reflects fluctuations in the shape of the initial state of the system. This allows to select events with the same centrality ...
    • Correlations and the ridge in the Color Glass Condensate beyond the glasma graph approximation 

      Altinoluk, Tolga; Armesto Pérez, Néstor; Wertepny, Douglas E. (Springer, 2018)
      We consider two-gluon production in dilute-dense collisions within the Color Glass Condensate framework, applicable to both proton-nucleus and heavy-light ion collisions. We go beyond the glasma graph approximation which ...
    • D3–D5 theories with unquenched flavors 

      Conde, Eduardo; Lin, Hai; Penín Ascariz, José Manuel; Vázquez Ramallo, Alfonso; Zoakos, Dimitrios (Elsevier, 2017)
      We construct the string duals of the defect theories generated when Nfflavor D5-branes intersect Nccolor D3-branes along a 2 +1dimensional subspace. We work in the Veneziano limit in which Ncand Nfare large and Nf/Ncis ...
    • 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 ...
    • Determination of γ and− 2βs from charmless two-body decays of beauty mesons 

      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 (Elsevier, 2015)
      Using the latest LHCb measurements of time-dependent CPviolation in the B0s→K+K−decay, aU-spinrelation between the decay amplitudes of B0s→K+K−and B0→π+π−decay processes allows constraints to be placed on the angle γof the ...
    • Development of very-thick transparent GEMs with wavelength-shifting capability for noble element TPCs 

      Kuźniak, Marcin; González Díaz, Diego; Amedo Martínez, Pablo; Azevedo, Carlos; Fernández Posada, David José; Kuźwa, Maciej; Leardini, Sara; Leonhardt, A.; Łęcki, Tomasz; Manzanillas, Luis; Muenstermann, Daniel; Nieradka, Grzegorz; Oliveira, Rui de; Pollmann, T. R.; Saá Hernández, Ángela; Sworobowicz, Tadeusz; Türkoğlu, Cenk; Williams, S. (Springer, 2021)
      A new concept for the simultaneous detection of primary and secondary scintillation in time projection chambers is proposed. Its core element is a type of very-thick GEM structure supplied with transparent electrodes and ...
    • 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 fraction and angular moments analysis of the decay B 0 → K +π− μ + μ − in the K∗0,2(1430)0 region 

      LHCb Collaboration; Adeva Andany, Bernardo; Borsato, Martino; Chobanova, Veronika; Cid Vidal, Xabier; Dosil Suárez, Álvaro; Fernández Albor, Víctor Manuel; Fernández Prieto, Antonio; 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)
      Measurements of the differential branching fraction and angular moments of the decay B 0 → K +π− μ + μ − in the K +π− invariant mass range 1330 < m(K +π−) < 1530 MeV/c 2 are presented. Proton-proton collision data are used, ...
    • 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 ...
    • Differential studies of inclusive J/ψ and ψ(2S) production at forward 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, 2016)
      The production of J/ψ and ψ(2S) was studied with the ALICE detector in Pb-Pb collisions at the LHC. The measurement was performed at forward rapidity (2.5 < y < 4) down to zero transverse momentum (p T ) in the dimuon decay ...





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