Blar i Faculty of Mathematics and Natural Sciences på emneord "Heavy Ions"
Viser treff 1-15 av 15
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Centrality dependence of high-\(p_{\rm T}\) D meson suppression in Pb-Pb collisions at \(\sqrt{s_{\rm NN}}\) = 2.76 TeV
(Peer reviewed; Journal article, 2015-11)The nuclear modification factor, \(R_{\rm AA}\), of the prompt charmed mesons \({\rm D^0}\), \({\rm D^+}\) and \({\rm D^{*+}}\), and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a ... -
Centrality dependence of inclusive J/\(psi\) production in p-Pb collisions at \(\sqrt{s_{\rm NN}}\) = 5.02 TeV
(Peer reviewed; Journal article, 2015-11)We present a measurement of inclusive J/\).psi\) production in p-Pb collisions at \(\sqrt{s_{\rm NN}}\) = 5.02 TeV as a function of the centrality of the collision, as estimated from the energy deposited in the Zero Degree ... -
Electroweak boson production in p–Pb and Pb–Pb collisions at \(\sqrt{s_\mathrm{NN}}=5.02\) TeV with ALICE
(Peer reviewed; Journal article, 2017-11)W and Z bosons are massive weakly-interacting particles, insensitive to the strong interaction. They provide therefore a medium-blind probe of the initial state of the heavy-ion collisions. The final results for the W and ... -
Elliptic flow of identified hadrons in Pb-Pb collisions at \(\sqrt{s_{\rm{NN}}}\) = 2.76 TeV
(Peer reviewed; Journal article, 2015-06-29)The elliptic flow coefficient \(v_{2}\) of identified particles in Pb--Pb collisions at \(\sqrt{s_\mathrm{{NN}}} = 2.76\) TeV was measured with the ALICE detector at the LHC. The results were obtained with the Scalar ... -
J/Ψ production and nuclear effects in p-Pb collisions at √sNN=5.02 TeV
(Peer reviewed; Journal article, 2014-02)Inclusive J/ψ production has been studied with the ALICE detector in p-Pb collisions at the nucleon–nucleon center of mass energy √sNN = 5.02TeV at the CERN LHC. The measurement is performed in the center of mass rapidity ... -
Measurement of charged jet suppression in Pb-Pb collisions at √sNN = 2.76 TeV
(Peer reviewed; Journal article, 2014-03)A measurement of the transverse momentum spectra of jets in Pb–Pb collisions at √sNN = 2.76TeV is reported. Jets are reconstructed from charged particles using the anti-kT jet algorithm with jet resolution parameters R of ... -
Measurement of charged-particle spectra in Pb+Pb collisions at (Formula presented.) = 2.76 TeV with the ATLAS detector at the LHC
(Peer reviewed; Journal article, 2015-09-09)Charged-particle spectra obtained in Pb+Pb interactions at sNN−−−√=2.76 TeV and pp interactions at sNN−−−√=2.76 TeV with the ATLAS detector at the LHC are presented, using data with integrated luminosities of 0.15 nb−1 and ... -
Measurement of distributions sensitive to the underlying event in inclusive Z-boson production in pp collisions at √s = 7 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2014-12-10)A measurement of charged-particle distributions sensitive to the properties of the underlying event is presented for an inclusive sample of events containing a TeX -boson, decaying to an electron or muon pair. The measurement ... -
Measurement of flow harmonics with multi-particle cumulants in Pb+Pb collisions at (Formula presented.) TeV with the ATLAS detector
(Peer reviewed; Journal article, 2014-11-26)ATLAS measurements of the azimuthal anisotropy in lead–lead collisions at TeX TeV are shown using a dataset of approximately 7 TeX b TeX collected at the LHC in 2010. The measurements are performed for charged particles ... -
Measurement of jet quenching with semi-inclusive hadron-jet distributions in central Pb-Pb collisions at \({\sqrt{\bf{s}_{\mathrm {\bf{NN}}}}}\) = 2.76 TeV
(Peer reviewed; Journal article, 2015-09)We report the measurement of a new observable of jet quenching in central Pb-Pb collisions at \(\sqrt{s_{\rm NN}} = 2.76\) TeV, based on the semi-inclusive rate of charged jets recoiling from a high transverse momentum ... -
A measurement of the ratio of the production cross sections for W and Z bosons in association with jets with the ATLAS detector
(Peer reviewed; Journal article, 2014-12-02)The ratio of the production cross sections for W and Z bosons in association with jets has been measured in proton–proton collisions at s√=7TeV with the ATLAS experiment at the Large Hadron Collider. The measurement is ... -
\(\phi\) meson production in Pb-Pb collisions at \(\sqrt s_{NN}\)=5.02 TeV with ALICE at the LHC
(Peer reviewed; Journal article, 2017-11)Strangeness production is a key tool to understand the properties of the medium formed in heavy-ion collisions: an enhanced production of strange particles was early proposed as one of the signatures of the Quark-Gluon ... -
Rapidity and transverse-momentum dependence of the inclusive J/\(mathbf{\psi}\) nuclear modification factor in p-Pb collisions at \(\mathbf{\sqrt{\textit{s}_{NN}}}=5.02\) TeV
(Peer reviewed; Journal article, 2015-06)We have studied the transverse-momentum \(p_{\rm T}\) dependence of the inclusive J/\).psi\) production in p-Pb collisions at \(\sqrt{s_{\rm NN}} = 5.02\) TeV, in three center-of-mass rapidity \(y_{\rm cms}\) regions, ... -
Search for contact interactions and large extra dimensions in the dilepton channel using proton–proton collisions at √s=8 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2014-12-11)A search is conducted for non-resonant new phenomena in dielectron and dimuon final states, originating from either contact interactions or large extra spatial dimensions. The LHC 2012 proton–proton collision dataset ... -
Suppression of ψ(2S) production in p-Pb collisions at √sNN=5.02 TeV
(Peer reviewed; Journal article, 2014-12)The ALICE Collaboration has studied the inclusive production of the charmonium state ψ(2S) in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy √sNN = 5.02TeV at the CERN LHC. The measurement was ...