Centrality Dependence of Inclusive J/[psi] Production in P-Pb Collisions at $ \sqrt{s_{\mathrm{NN}}}

Centrality Dependence of Inclusive J/[psi] Production in P-Pb Collisions at $ \sqrt{s_{\mathrm{NN}}}
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Total Pages: 33
Release: 2015
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Here, we present a measurement of inclusive J/[Psi] production in p-Pb collisions at √SNN = 5.02 TeV as a function of the centrality of the collision, as estimated from the energy deposited in the Zero Degree Calorimeters. We also performed this measurement with the ALICE detector down to zero transverse momentum, pT, in the backward (-4.46

Inclusive, Prompt and Non-prompt J/[psi] Production at Mid-rapidity in Pb-Pb Collisions at $ \sqrt{s_{\mathrm{NN}}}

Inclusive, Prompt and Non-prompt J/[psi] Production at Mid-rapidity in Pb-Pb Collisions at $ \sqrt{s_{\mathrm{NN}}}
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Total Pages: 33
Release: 2015
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Here, the transverse momentum (pT) dependence of the nuclear modification factor RAA and the centrality dependence of the average transverse momentum pT for inclusive J/[psi] have been measured with ALICE for Pb-Pb collisions at √sNN=2.76 TeV in the e+e- decay channel at mid-rapidity (

Rapidity Dependence of the Inclusive J/[psi] Production in P[bar P] Collisions At[radical]

Rapidity Dependence of the Inclusive J/[psi] Production in P[bar P] Collisions At[radical]
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We have studied the[ital J]/[psi] production in[ital p][ital[anti p]] collisions at[radical]s= 1.8 TeV with the D[null] detector at the Fermilab Tevatron, using a[mu][sup+][mu][sup -] data sample collected during the 1994-95 running period. We have measured the inclusive[ital J]/[psi] production cross section as a function of the[ital J]/[psi] transverse momentum, [ital P][sub T][sup[ital J]/[psi]] in the central and forward rapidity regions. The new measurement of the cross section[ital d[sigma]/dp][sub T][sup[ital J]/[psi]] for[vert-bar][eta][sup[ital J]/[psi]][vert-bar][lt] 0.6 is in a good agreement with the CDF and earlier D[null] results. The cross section measurement[ital d[sigma]/dp][sub T][sup[ital J]/[psi]] for 2.5[lt][vert-bar][eta][sup[ital J]/[psi]][vert-bar][lt] 3.7 covers the[ital p][sub T][sup[ital J]/[psi]] range from 1 to 16 GeV/c. We combine the measurements in several[vert-bar][eta][sup[ital J]/[psi]][vert-bar] regions to discuss[ital d[sigma]/d[eta]][sup[ital J]/[psi]] for[ital p][sub T][sup[ital J]/[psi]][gt] 8 GeV/c. The data are compared with the next-to- leading order (NLO) QCD calculations, which take into account different[ital J]/[psi] production mechanisms.

Rapidity and Transverse-momentum Dependence of the Inclusive J/[psi] Nuclear Modification Factor in P-Pb Collisions at $\sqrt{s_{N\ N}}$

Rapidity and Transverse-momentum Dependence of the Inclusive J/[psi] Nuclear Modification Factor in P-Pb Collisions at $\sqrt{s_{N\ N}}$
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Release: 2015
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Here we have studied the transverse-momentum (pT) dependence of the inclusive J/$\psi$ production in p-Pb collisions at root $\sqrt{s_{N\ N}}$ = 5.02 TeV, in three center-of-mass rapidity (ycms) regions, down to zero pT. Results in the forward and backward rapidity ranges (2.03

Inclusive J/psi Production Measurement in Pb-Pb Collisions at Sqrt{s_{NN}}

Inclusive J/psi Production Measurement in Pb-Pb Collisions at Sqrt{s_{NN}}
Author: Lizardo Valencia Palomo
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Total Pages: 0
Release: 2013
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Quantum Chromodynamics predicts that the hot and dense matter produced in ultra-relativistic heavy-ion collisions, the Quark Gluon Plasma (QGP), behaves as a deconfined state of quarks and gluons. Since 1980's it was predicted that quarkonia are suppressed due to screening effects in the QGP, making quarkonia a good tool to probe the plasma.ALICE is the only experiment at the LHC that was designed and built to characterize the physics of the QGP. The muon spectrometer, one of the detectors in ALICE, is used to measure the quarkonia production at forward rapidity. In this thesis the efficiency of the tracking chambers of the muon spectrometer is studied along one year of data taking. The results obtained from real data are compared to simulations in order to compute the systematic uncertainties associated to the tracking apparatus.A complete analysis of the inclusive J/psi --> mu^+ mu^- production in the 2011 Pb-Pb collisions is also presented. The study includes the signal extraction, normalization and acceptance times efficiency corrections. An important part is dedicated to the quantify the systematic uncertainties arising from different sources. The resulting R_{AA} and p_{T} are compared to previous experiments and also to theoretical models.

J/[psi] Production in P[anti P] Collisions At[radical]

J/[psi] Production in P[anti P] Collisions At[radical]
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Release: 2001
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The authors have studied J/[psi] production in p[anti p] collisions at[radical]s= 1.8 TeV with the D0 detector at Fermilab, using a[mu][sup+][mu][sup[minus]] data sample corresponding to an integrated luminosity of 13 pb[sup[minus]1]. They have measured the inclusive J/[psi] production cross section as a function of J/[psi] transverse momentum p[sub T]. For the kinematic range p[sub T]> 8 GeV/c and[vert-bar][eta][vert-bar]