Mostrando 3,181 - 3,200 Resultados de 5,152 Para Buscar '"gluones"', tiempo de consulta: 4.57s Limitar resultados
  1. 3181
    “…Charmonium states are expected to be considerably suppressed in the case of quark-gluon plasma formation in high-energy heavy-ion collisions. …”
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    Energy dependence of $J/\psi$ absorption in proton-nucleus collisions
  2. 3182
    por Bernhard, Johannes, Schonning, Karin
    Publicado 2011
    “…These data are dedicated to hadron spectroscopy, where the focus is directed to the search for exotic bound states of quarks and gluons (hybrids, glueballs). The production of such states is known to be favoured in glue-rich environments, e.g. so-called OZI-forbidden processes. …”
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    Test of OZI violation in vector meson production with COMPASS
  3. 3183
    por Golling, Tobias
    Publicado 2011
    “…In Randall-Sundrum models, Kaluza-Klein gluons with masses below 650 GeV are excluded at 95% C.L.…”
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    Search for New Physics Involving Top Quarks at ATLAS
  4. 3184
    por Malek, M
    Publicado 2012
    “…For the critical values of the energy density (5 -10 ") or the temperature (150 - 200 MeV), the Lattice QuantumChromo Dynamics (LQCD) calculations predict a phase transition from the classical to a new form of nuclear matter called the Quark Gluon Plasma (QGP) in which quarks and gluons are deconfined. …”
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    Étude de la production de saveurs lourdes et de la multiplicité de particules chargées dans le cadre du formalisme du Color Glass Condensate pour les collisions p+p et p+Pb dans l'expérience ALICE au LHC
  5. 3185
    por Si Mohand, D
    Publicado 2012
    “…Ces photons, qui ne sont pas affectés par la fragmentation, sont particulièrement sensibles à l'émission de gluons; leur étude, à l'aide d'algorithmes de simulation tels que JETSET, ARIADNE et HERWIG, constitue un moyen simple et précis de tester les différentes approches de QCD, en particulier dans la description de la compétition photon-gluon. …”
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    Etude de la production de photons isolés dans les états finals hadroniques des collisions e+e- au LEP dans l'expérience ALEPH
  6. 3186
    por Maire, Antonin
    Publicado 2013
    “…Charmonium is a prominent probe of the Quark-Gluon Plasma (QGP), expected to be formed in ultrarelativistic heavy-ion (A-A) collisions. …”
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    Measurements of inclusive $J/\psi$ production in Pb-Pb collisions at $\sqrt(s_NN)$ = 2.76 TeV with the ALICE experiment
  7. 3187
    por Haake, Rüdiger
    Publicado 2015
    “…Unlike in Pb-Pb collisions, strong hot nuclear matter effects - e.g. from quark-gluon plasma formation - are not expected to occur in p-Pb collisions. …”
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    Enlace del recurso
    Centrality dependence of charged jets in p-Pb collisions at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV measured with the ALICE detector
  8. 3188
    “…The possibility that the two-gluon plus one-photon decay mechanism is not suppressed by G-parity conservation is discussed, even by considering other multipion decay channels. …”
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    A new $G$-parity violating amplitude in the $J/\psi$ decay?
  9. 3189
    por Sessa, Marco
    Publicado 2017
    “…Moreover, the comparison of this measurement with indirect measurements, already performed via gluon-gluon fusion production mode and Higgs boson decay into photon pairs, has the potential to identify and disentangle new physics effects that can modify the ttH production cross section relative to the SM expectation. …”
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    Search for the associated production of the Higgs boson with a top quark pair in multilepton final states at $\sqrt{s}=13\ TeV$ with the ATLAS detector
  10. 3190
    por Paul, Biswarup
    Publicado 2017
    “…The suppression of quarkonium production with respect to pp collisions is one of the most distinctive signatures of the formation of quark-gluon plasma (QGP), a hot nuclear medium created in ultrarelativistic heavy-ion collisions. …”
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    Enlace del recurso
    Charmonium production in p-Pb collisions with ALICE at the LHC
  11. 3191
    por Kucher, Inna
    Publicado 2017
    “…$t\bar{t}H$ is a very rare process, two orders of magnitude smaller than the dominant Higgs boson production by gluon fusion. At 13 TeV, $t\bar{t}H$ production is about 4 times larger than at 8 TeV. …”
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    Search for the Higgs boson decaying to two photons and produced in association with a pair of top quarks in the CMS experiment
  12. 3192
    “…Hybrid hadrons, made of Q and of standard model quarks and gluons, have large QCD cross sections, and do not reach underground detectors. …”
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    Colored Dark Matter
  13. 3193
    “…While both choices yield similarly good χ2 values for the fit to DIS measurements, the gluon density especially turns out to differ between the two sets. …”
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    Collinear and TMD parton densities from fits to precision DIS measurements in the parton branching method
  14. 3194
    “…Also obtainable with anonymous ftp from gluon.hep.physik.uni-muenchen.de.…”
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    Enlace del recurso
    QCD and QED corrections to Higgs boson production in charged current ep scattering
  15. 3195
    “…By this series of exact transformations of a cut-off generating functional for QCD, we arrive at a theory describing the long-distance physics of a pseudoscalar flavour singlet meson coupled to the residual quark-gluon degrees of freedom. As examples of how known low-energy physics can be reproduced in this formulation, we rederive the Witten-Veneziano relation between the $\eta'$ mass and the topological susceptibility, now for any value of the number of colours $N_c$.…”
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    Enlace del recurso
    Gauge-symmetric approach to effective Lagrangians: the $\eta$' meson from QCD
  16. 3196
    por Glaysher, Paul
    Publicado 2018
    “…For Higgs bosons produced by gluon-gluon fusion, the cross section is measured as a function of kinematic variables, including transverse momentum and rapidity of the Higgs boson, as well as the number of jets associated with the Higgs event. …”
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    Differential Cross Section Measurements in H->WW and Prospects of Observing H->bb in Future LHC Runs at the ATLAS Detector
  17. 3197
    por Pekkanen, Juska Tomi Kaleva
    Publicado 2018
    “…When we collide protons at the Large Hadron Collider (LHC) of CERN, the European Organization for Nuclear Research, what actually collides are the quarks and gluons, collectively partons, that make up the protons. …”
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    Jet Particology & Search for New Massive Particles
  18. 3198
    por Maevskaya, A.I.
    Publicado 2019
    “…ALICE (A Large Ion Collider Experiment) at the CERN LHC is designed to study the properties of the Quark–Gluon Plasma (QGP) in heavy-ion collisions. In 2019–2020 the upgrade of the LHC will increase the luminosity and the collision rate beyond the design parameters of the current ALICE setup. …”
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    Enlace del recurso
    Fast Interaction Trigger for the upgrade of the ALICE experiment at CERN: design and performance
  19. 3199
    “…We argue that such interesting possibilities constitute a well-justified scientific motivation, complementing standard quark-gluon-plasma physics studies, to continue running with ions at the LHC after the Run-4, i.e. beyond 2030, including light and intermediate-mass ion species, accumulating nucleon–nucleon integrated luminosities in the accessible fb−1 range per month.…”
    Enlace del recurso
    Enlace del recurso
    New physics searches with heavy-ion collisions at the LHC
  20. 3200
    “…At hadron colliders, such particles would predominantly be produced in gluon fusion and would decay into top quark pair final sates, a signal that interferes with the large QCD background $ gg\to t\overline{t} $ . …”
    Enlace del recurso
    Enlace del recurso
    Interference Effects in $t{\bar t}$ Production at the LHC as a Window on New Physics
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