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3761por Gourgoulhon, Éric“…Well illustrated and enriched by many historical notes, this book also presents many applications of special relativity, ranging from particle physics (accelerators, particle collisions, quark-gluon plasma) to astrophysics (relativistic jets, active galactic nuclei), and including practical applications (Sagnac gyrometers, synchrotron radiation, GPS). …”
Publicado 2013
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3762Search for $t\bar{t}$ resonances in semileptonic final states in pp collisions at $\sqrt{s}$ = 8 TeVpor Turner, Paul“…In addition, Kaluza-Klein excitations of a gluon with masses below 2.54 TeV in the Randall-Sundrum model are excluded and an upper limit of 0.101 pb is set for a resonance mass of 2 TeV.…”
Publicado 2013
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3763por Janus, Michel“…The suppression of jet background, one of the cru- cial aspects of reconstruction and the SUSY analysis in this thesis, was studied and the probabilities of misidentifying quark- or gluon-initiated jets as hadronic -lepton decays were measured in both the 2010 and 2011 ATLAS data at a centre-of-mass energy of p s = 7 TeV, using samples of di-jet events. …”
Publicado 2013
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3764por Porteboeuf-Houssais, Sarah“…ALICE is the LHC experiment devoted to the study of the Quark-Gluon Plasma (QGP). To probe this high energy density state of strongly interacting matter expected to be produced in heavy-ion collisions at high energies, measurements performed in various systems (pp, p--Pb and Pb--Pb) are compared to each other. …”
Publicado 2014
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3765por Corrales Morales, Yasser“…In particular, the deconfined quark-gluon plasma (QGP) system which is predicted by quantum chromodynamic (QCD) calculations can be investigated. …”
Publicado 2015
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3766por Orlando, Nicola“…As additional analysis result, a first study of the 4l production induced by gluon–gluon scattering (gg → H∗/Z(∗)Z(∗) → 4l) for m(4l) ≥ 180 GeV is presented. …”
Publicado 2015
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3767por Szalay, Marco“…This leads to precisions at the 1-2%, 14-26% and 6-10% levels, for decays into b-quarks, c-quarks and gluons respectively, the exact value for each depending on the particular Higgs production mechanism. …”
Publicado 2018
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3768por Colamaria, Fabio“…Therefore, they constitute ideal probes for characterising the Quark-Gluon Plasma (QGP) medium and for the study of its transport properties. …”
Publicado 2018
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3769por Ariga, Akitaka, Ariga, Tomoko, Boyd, Jamie, Cadoux, Franck, Casper, David W., Favre, Yannick, Feng, Jonathan L., Ferrere, Didier, Galon, Iftah, Gonzalez-Sevilla, Sergio, Hsu, Shih-Chieh, Iacobucci, Giuseppe, Kajomovitz, Enrique, Kling, Felix, Kuehn, Susanne, Levinson, Lorne, Otono, Hidetoshi, Petersen, Brian, Sato, Osamu, Schott, Matthias, Sfyrla, Anna, Smolinsky, Jordan, Soffa, Aaron M., Takubo, Yosuke, Torrence, Eric, Trojanowski, Sebastian, Zhang, Gang“…In particular, we consider all of the renormalizable portal interactions, leading to dark photons, dark Higgs bosons, and heavy neutral leptons; light B-L and Li-Lj gauge bosons; axionlike particles that are coupled dominantly to photons, fermions, and gluons through nonrenormalizable operators; and pseudoscalars with Yukawa-like couplings. …”
Publicado 2018
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3770por Scheid, Horst Sebastian“…Low-mass dielectron measurements play an essential role in the study of the Quark- Gluon Plasma (QGP) created in ultra-relativistic heavy-ion collisions. …”
Publicado 2018
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3771“…The theory governing the strong nuclear force—quantum chromodynamics—predicts that at sufficiently high energy densities, hadronic nuclear matter undergoes a deconfinement transition to a new phase of quarks and gluons1 . Although this has been observed in ultrarelativistic heavy-ion collisions2,3 , it is currently an open question whether quark matter exists inside neutron stars4. …”
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3772por Sas, Mike“…The production of light neutral mesons in AA collisions probes the physics of the Quark-Gluon Plasma (QGP), which is formed in heavy-ion collisions at the LHC. …”
Publicado 2020
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3773“…However, in the Standard-Model (SM) this process is also known to suffer from very large irreducible backgrounds from other Higgs production channels, notably gluon-fusion (ggF). In this paper we calculate for the first time the so-called QCD and electroweak complete-NLO predictions for $ Hb\overline{b} $ production, using the four-flavour scheme. …”
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3774por Torterotot, Lucas“…Model-independent limits are then set on the product of the cross section and branching fraction for the production via gluon-fusion or in association with b quarks. These limits range from 15 pb at 110 GeV to 3×10−4 pb at 3,2 TeV for gluon-fusion and from 1,2 pb at 110 GeV to 3×10−4 pb at 3,2 TeV for b-associated production. …”
Publicado 2021
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3775“…The Higgs bosons and the top quark decay into rich and diverse final states, containing both light and heavy quarks, gluons, photons as well as W and Z bosons. This article reviews the challenges involved in reconstructing Higgs and top events at the FCC-ee and identifies the areas where novel developments are needed. …”
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3776“…We show that planar contributions due to multiple-Reggeon exchange diagrams can be factorised as a Regge pole along with the single-Reggeon exchange, and when this is done, the singular part of the gluon Regge trajectory is directly determined by the cusp anomalous dimension. …”
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3777“…Heavy-ion collisions at ultrarelativistic energies provide extreme conditions of energy density and temperature to produce a deconfined state of quarks and gluons. Xenon (Xe), being a deformed nucleus, further gives access to the effect of initial geometry on final state particle production. …”
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3778Search for heavy neutral Higgs bosons decaying into the fully hadronic di-tau final state with ATLASpor Maerker, Max“…Since no significant excess of data with respect to the background estimation was found, the results are presented in terms of $95\,\%$ CL upper exclusion limits on the cross-section times branching ratio for Higgs bosons produced via gluon-gluon fusion and $b$-associated production. …”
Publicado 2022
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3779por Becherer, Fabian“…The first analysis measured the inclusive cross section of the $H \rightarrow \tau \tau$ decay mode to be (3.77$\pm$1.00) pb and the cross sections of the two main production modes of the Higgs boson gluon-gluon fusion (ggF) and vector-boson fusion (VBF) to be (3.1$\pm$1.8) pb and (0.28$\pm$0.13) pb. …”
Publicado 2022
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3780por Colella, Domenico“…The second upgrade for the LS3 is the addition of a Forward Calorimeter detector at large rapidity consisting of a Si-W electromagnetic calorimeter with pad and pixel readout, that will equip the experiment with unique capabilities to measure small-x gluon distributions via prompt photon production. …”
Publicado 2022
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