“…As underscored by the Higgs boson discovery, at a mass substantially below that of the top quark, the SSC did not need to collide protons at 40 TeV in order to attain its premier physics goal. …”
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“…The data are examined in search regions defined with jet multiplicity, tagged bottom quark jet multiplicity, missing transverse momentum, and the scalar sum of jet transverse momenta. …”
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“…Lo schema di classificazione introdotto nel 1964 da Ne'eman (e, indipendentemente, da Gell-Mann), pone fine a tale confusione, consentendo una sistemazione coerente: quella che porta al concetto di quark e alle ultime conquiste, teoriche e sperimentali. …”
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“…Z cross sections are also measured at a center-of-mass energies of 8 TeV and 13 TeV, and cross-section ratios to the top-quark pair production have been derived. This ratio measurement leads to a cancellation of systematic effects and allows for a high precision comparison to the theory predictions. …”
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“…$Z$ boson cross sections are also measured at a center-of-mass energies of 8 TeV and 13 TeV, and cross-section ratios to the top-quark pair production have been derived. This ratio measurement leads to a cancellation of systematic effects and allows for a high precision comparison to the theory predictions. …”
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“…ALICE is one of the four experiments at the Large Hadron Collider (LHC). The quark-gluon plasma, which is predominantly produced in lead-lead collisions at LHC, is of particular interest for ALICE. …”
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“…Albeit, the system is not the theoretical predicted Quark Gluon Plasma, its study results important to understand the cosmic evolution of our Universe. …”
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“…This should improve the understanding of initial conditions of nuclear collisions, hydrodynamical behavior of quark-gluon plasma and parton energy loss. New ATLAS measurements of differential and global Fourier harmonics of charged particles (vn) in 5.02 TeV Pb+Pb and 5.44 TeV Xe+Xe collisions in a wide range of transverse momenta, pseudorapidity (|η|<2.5) and collision centrality are presented. …”
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“…Indeed, these strong interactions drive the equation of state (EoS) of dense neutron-rich matter with strange quark&nbsp;content and such EoS can be tested against the measurements of neutron star masses, radii and newly detected&nbsp;gravitational wave signals. …”
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“…Recently, it has been found that the Quark Gluon Plasma (QGP) created in nucleus-nucleus collisions at RHIC and LHC expands with very little dissipation. …”
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“…A measurement of the associated production of a standard model Higgs boson with a top quark-antiquark pair ($\mathrm{t\overline{t}H}$) in proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$ is presented. …”
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“…After more than a decade of successful operation with the discovery of the Higgs boson, the instantaneous luminosity will be increased by almost an order of magnitude with the High Luminosity LHC (HL-LHC) in order to perform precision measurements of the Higgs boson and top quark and extend the searches for physics beyond the Standard Model of particle physics. …”
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“…Within these findings, the most precise $\mathcal{F}t$-values and, in the case of $^{21}$Na → $^{21}$Ne, a new $V_{\rm{ud}}$-element value of the CKM quark-mixing matrix were derived and found to agree with the standard model of particle physics. …”
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“…In the first microseconds of the Big Bang, all known matter in the Universe was in a state of Quark-Gluon Plasma (QGP). The primary purpose of heavy ion collisions is to investigate QGP’s formation and properties. …”
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“…The latter provides a potentially sensitive electromagnetic probe of the quark-gluon plasma. This talk presents a series of measurements of such processes performed by the ATLAS Collaboration. …”
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“…The latter provides a potentially sensitive electromagnetic probe of the quark gluon plasma. This talk presents a series of measurements of such processes performed by the ATLAS Collaboration. …”
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“…Heavy flavour hadron production provides information about the transport properties and the microscopic structure of the quark-gluon plasma created in ultra-relativistic heavy-ion collisions. …”
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“…In addition, the results of a similar measurement at a centre-of-mass energy of $\sqrt{s} = 8~\TeV$ have been used for the first time in an analysis of the structure of the proton, giving a significantly improved determination of the sea-quark densities at medium-to-high Bjorken $x$ compared to other fits of ATLAS data.…”
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“…After the discovery of the Higgs particle at CERN, which essentially completed the SM, an amazing interrelation of the leading interaction strengths of the gauge bosons, the top-quark and the Higgs boson showed up amounting that the SM allows for a perturbative extrapolation of the running couplings up to the Planck scale. …”
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“…Inclusive cross-sections are determined separately for the four dominant production modes: 2.7 $\pm$ 0.4 (stat) $^{+\,0.9}_{-\,0.6}$(syst) pb for the gluon-gluon fusion, 0.196 $^{+\,0.028}_{-\,0.027}$(stat) $^{+\,0.032}_{-\,0.025}$(syst) pb for the vector-boson fusion, 0.11 $\pm$ 0.06 (stat) $\pm$ 0.04 (syst) pb for the vector boson associated production, and 0.048 $^{+\,0.033}_{-\,0.029}$(stat) $^{+\,0.036}_{-\,0.029}$(syst) pb for the top-quark pair associated production. Measurements in exclusive regions of the phase space, using the simplified template cross-section framework, are also performed. …”
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