Mostrando 14,541 - 14,560 Resultados de 16,682 Para Buscar '"quarks"', tiempo de consulta: 0.30s Limitar resultados
  1. 14541
    por CMS Collaboration
    Publicado 2013
    “…Results of the normalised differential cross section measurements of top quark pair production with respect to a number of event-level observables are presented, including missing transverse energy, jet transverse momentum scalar sum, total event transverse momentum scalar sum, leptonic W transverse momentum, and leptonic W transverse mass. …”
    Enlace del recurso
  2. 14542
    por Pleskot, V
    Publicado 2013
    “…Recent soft-QCD measurements include studies of underlying event, hadronic event shapes, double parton scattering, diffraction, internal jet structure, jet shapes for heavy quark jets and forward energy flow. Differential measurements of inclusive and dijet production provide stringent tests of higher order QCD predictions and provide input for determination of parton density functions. …”
    Enlace del recurso
  3. 14543
    por Kus, V
    Publicado 2014
    “…Recent soft-QCD measurements include studies of underlying event, hadronic event shapes, double parton scattering, diffraction, internal jet structure, jet shapes for heavy quark jets and forward energy flow.  Differential measurements of inclusive and dijet production provide stringent tests of higher order QCD predictions and provide input for determination of parton density functions. …”
    Enlace del recurso
  4. 14544
    por Choudhury, Somnath
    Publicado 2014
    “…The analysis in the most sensitive decay modes in 2 photons, ZZ$^*\rightarrow$4$\ell$, WW$\rightarrow$2$\ell$2$\nu$, tau lepton pair and bottom quark pair final states followed by the discovery of the Higgs Boson around a mass of 125 GeV is reported. …”
    Enlace del recurso
    Enlace del recurso
  5. 14545
  6. 14546
    por CMS Collaboration
    Publicado 2014
    “…Within the context of a quark and lepton compositeness model with a left-left isoscalar contact interaction, 95\% CL lower limits are set on $\Lambda$, the energy scale parameter for the contact interaction. …”
    Enlace del recurso
  7. 14547
    por Agatonovic Jovin, T
    Publicado 2014
    “…The results of the $\Lambda_b^0$ mass, lifetime and the lifetime ratio $\tau(\Lambda^{0}_b)/\tau(B_d^0)$, as well as the parity-violating decay asymmetry parameter, $\alpha_{b}$, and the helicity amplitudes of the decay channel $\Lambda^{0}_{b}\rightarrow$J/$\psi(\mu^{+}\mu^{-}$)$\Lambda^{0}(p\pi^{-})$ are reported and compared with those of the LHCb, D0 and CDF experiments, as well as with theoretical models based on heavy-quark effective theory and perturbative QCD.…”
    Enlace del recurso
  8. 14548
    por Berta, P
    Publicado 2014
    “…ATLAS has also commissioned several new powerful tools for for the analysis and interpretation of hadronic final states at the LHC such as jet substructure, jet mass, quark-gluon discrimination, and jet tagging tools for the identification of boosted heavy particles. …”
    Enlace del recurso
  9. 14549
    por Crispin Ortuzar, M
    Publicado 2014
    “…ATLAS has also commissioned several new powerful tools for for the analysis and interpretation of hadronic final states at the LHC such as jet substructure, jet mass, quark-gluon discrimination, and jet tagging tools for the identification of boosted heavy particles. …”
    Enlace del recurso
  10. 14550
    por Zenis, Tibor
    Publicado 2014
    “…Recent soft-QCD measurements include studies of underlying event, vector meson production and quark confinement effects. Differential measurements of inclusive and multi-jet production provide stringent tests of high-order QCD predictions and provide input for determination of parton density functions. …”
    Enlace del recurso
  11. 14551
    por Hamilton, Andrew
    Publicado 2014
    “…Recent soft-QCD measurements include studies of underlying event, vector meson production and quark confinement effects. Differential measurements of inclusive and multi-jet production provide stringent tests of high-order QCD predictions and provide input for determination of parton density functions. …”
    Enlace del recurso
  12. 14552
    por Sykora, Ivan
    Publicado 2015
    “…Bose-Einstein correlations provide a unique opportunity for detailed understanding of the space-time geometry of the hadronization region, for determining the size and shape of the source from which particles are emitted and for interpreting of quark confinement effects. Bose-Einstein correlation lead to an enhancement of the production of identical bosons close in phase space. …”
    Enlace del recurso
  13. 14553
    por Walder, James William
    Publicado 2015
    “…--HTML--><p>Studies of heavy flavour quark-antiquark bound states provide unique insights into the picture of strong interactions near the boundary between the perturbative and non-perturbative regimes. …”
    Enlace del recurso
  14. 14554
    por Sykora, Ivan
    Publicado 2015
    “…The Bose-Einstein correlations provide a unique opportunity for detailed understanding of space-time characteristics of the hadronization region, for determining the size and shape of the source from which particles are emitted and for interpreting quark confinement effects. The correlations lead to enhancement in production of identical bosons that are close in phase space. …”
    Enlace del recurso
  15. 14555
    por Bessidskaia Bylund, Olga
    Publicado 2015
    “…The measurement uses events with multiple leptons and in particular probes the coupling between the top quark and the Z boson. Finally, the crosssection measurement of photons produced in association with topquark pairs is presented. …”
    Enlace del recurso
  16. 14556
    por Nikolaenko, Vladimir
    Publicado 2015
    “…Rare B_s -> mu+ mu- decay is analyzed on 2011 data at 7 TeV. The ratio of b-quark fragmentation functions measured, f_s/f_d = 0.240 +- 0.004(stat.) +- 0.013(syst.) +- 0.017(BR), this measurement helps to separate contributions from B0 and B_s mesons into mu+\mu- final state in ongoing analysis on full Run 1 data.…”
    Enlace del recurso
  17. 14557
    por Pirumov, Hayk
    Publicado 2016
    “…In addition, ratios of the cross sections for the production of single Z bosons and top-quark pairs have been derived at various center-of-mass energies. …”
    Enlace del recurso
  18. 14558
    por Bertsche, David Edwin
    Publicado 2016
    “…Latest results in the ATLAS programme of heavy hadron production and spectroscopy are also presented, including the latest searches for the bottomonium counterpart to the X(3872), studies of B_c and Lambda_b decays, measurement of b-quark fragmentation functions, and searches for new exotic bound states.…”
    Enlace del recurso
  19. 14559
    por Asimov, Isaac
    Publicado 1986
    “…Il presente volume, che nel mondo anglosassone è diventato una «bibbia della fisica», ci introduce, in forma semplice ma rigorosa, ai segreti dei quasar e dei buchi neri, dei quark e degli acceleratori di particelle, dell'intelligenza artificiale e delle fonti di energia, sia essa quella «sporca» sia quella «pulita». …”
    Enlace del recurso
  20. 14560
    por Oreglia, Mark
    Publicado 2017
    “…Final states with different number of leptons and where the Higgs decays into a b-quark pair are studied using different jet reconstruction techniques which are complementary in their acceptance for low and high mass transverse momentum. …”
    Enlace del recurso
Herramientas de búsqueda: RSS