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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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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Author :
language : en
Publisher:
Release Date : 2015
Rapidity And Transverse Momentum Dependence Of The Inclusive J Psi Nuclear Modification Factor In P Pb Collisions At Sqrt S N N written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
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 Prompt And Non Prompt J Psi Production At Mid Rapidity In Pb Pb Collisions At Sqrt S Mathrm Nn
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language : en
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Release Date : 2015
Inclusive Prompt And Non Prompt J Psi Production At Mid Rapidity In Pb Pb Collisions At Sqrt S Mathrm Nn written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
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 (
Centrality Dependence Of Inclusive J Psi Production In P Pb Collisions At Sqrt S Mathrm Nn
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Author :
language : en
Publisher:
Release Date : 2015
Centrality Dependence Of Inclusive J Psi Production In P Pb Collisions At Sqrt S Mathrm Nn written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
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
J Psi Production At High Transverse Momenta In P P And Cu Cu Collisions At Sqrt Snn
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Author :
language : en
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Release Date : 2009
J Psi Production At High Transverse Momenta In P P And Cu Cu Collisions At Sqrt Snn written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
The STAR collaboration at RHIC presents measurements of J/[psi] → e+e− at mid-rapidity and high transverse momentum (p{sub T} > 5 GeV/c) in p+p and central Cu+Cu collisions at √sNN = 200 GeV. The inclusive J/[psi] production cross section for Cu+Cu collisions is found to be consistent at high p{sub T} with the binary collision-scaled cross section for p+p collisions, in contrast to previous measurements at lower p{sub T}, where a suppression of J/[psi] production is observed relative to the expectation from binary scaling. Azimuthal correlations of J/[psi] with charged hadrons in p+p collisions provide an estimate of the contribution of B-meson decays to J/[psi] production of 13% ± 5%.
Rapidity Dependence Of The Inclusive J Psi Production In P Bar P Collisions At Radical
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language : en
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Release Date : 2001
Rapidity Dependence Of The Inclusive J Psi Production In P Bar P Collisions At Radical written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
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.
J Psi Production And Nuclear Effects In P Pb Collisions At Sqrt Mathrm S Mathrm Nn
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Author :
language : en
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Release Date : 2014
J Psi Production And Nuclear Effects In P Pb Collisions At Sqrt Mathrm S Mathrm Nn written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
We studied inclusive J/[psi] production with the ALICE detector in p-Pb collisions at the nucleon-nucleon center of mass energy √sNN = 5.02 TeV at the CERN LHC. The measurement is performed in the center of mass rapidity domains 2.03
Centrality Rapidity And Transverse Momentum Dependence Of Cold Nuclear Matter Effects On J Psi Production In D Au Cu Cu And Au Au Collisions At S Nn 1 2
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language : en
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Release Date : 2011
Centrality Rapidity And Transverse Momentum Dependence Of Cold Nuclear Matter Effects On J Psi Production In D Au Cu Cu And Au Au Collisions At S Nn 1 2 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
We have carried out a wide study of Cold Nuclear Matter (CNM) effects on J/[Psi] = production in dAu, CuCu and AuAu collisions at √s{sub NN} = 200 GeV. We have studied the effects of three different gluon-shadowing parameterizations, using the usual simplified kinematics for which the momentum of the gluon recoiling against the J/[Psi] is neglected as well as an exact kinematics for a 2 → 2 process, namely g + g → J/[psi] + g as expected from LO pQCD. We have shown that the rapidity distribution of the nuclear modification factor R{sub dAu}, and particularly its anti-shadowing peak, is systematically shifted toward larger rapidities in the 2 → 2 kinematics, irrespective of which shadowing parameterization is used. In turn, we have noted differences in the effective final-state nuclear absorption needed to fit the PHENIX dAu data. Taking advantage of our implementation of a 2 → 2 kinematics, we have also computed the transverse momentum dependence of the nuclear modification factor, which cannot be predicted with the usual simplified kinematics. All the corresponding observables have been computed for CuCu and AuAu collisions and compared to the PHENIX and STAR data. Finally, we have extracted the effective nuclear absorption from the recent measurements of RCP in dAu collisions by the PHENIX collaboration.
Inclusive J Psi Production At Mid Rapidity In P Pb Collisions At Snn
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Author : Michael Winn
language : en
Publisher:
Release Date : 2016
Inclusive J Psi Production At Mid Rapidity In P Pb Collisions At Snn written by Michael Winn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Charmonium categories.
Rapidity Dependence Of The Inclusive J Production In P Bar P Collisions At S
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Author :
language : en
Publisher:
Release Date : 1995
Rapidity Dependence Of The Inclusive J Production In P Bar P Collisions At S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
We have studied J/? production in p{bar p} collisions at √s = 1.8 TeV with the D0 detector at Fermilab, using a??− data sample collected during the 1994--1995 collider run. We have measured the inclusive J/? production cross section as a function of the J/? transverse momentum, p{sub T}{sup J/?}, in the central and forward rapidity regions. The cross section d?/dp{sub T}{sup J/{psi}} for {vert_bar}?{sup J/{psi}}{vert_bar}0.6 covers the p{sub T}{sup J/{psi}} range from 8 to 20 GeV/c. The new measurements are in a good agreement with the CDF and earlier D0 results. The cross section d?/dp{sub T}{sup J/{psi}} for 2.6
Measurement Of J Psi And Psi 2s At Forward And Backward Rapidity In P P P Al P Au And 3he Au Collisions At Snn
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Author : Krista Lizbeth Smith
language : en
Publisher:
Release Date : 2021
Measurement Of J Psi And Psi 2s At Forward And Backward Rapidity In P P P Al P Au And 3he Au Collisions At Snn written by Krista Lizbeth Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Nuclear physics categories.
Suppression of the J/psi nuclear modification factor has been seen as a trademark signature of final state effects in large collision systems for decades. In small systems, the nuclear modification was attributed to cold nuclear matter effects until the observation of strong differential suppression of the psi(2S) state in p/d+A collisions suggested the presence of final state effects. Results of J/psi and psi(2S) measurements in the dimuon decay channel are presented here for a collection of different small systems at the same collision energy. These small systems include: p+p, p+Al, p+Au and 3He+Au at collision energy square root s_NN = 200 GeV. The results are predominantly shown in the form of the nuclear modification factor, R_AB, the ratio of the J/psi or psi(2S) invariant yield per nucleon-nucleon collision in collisions of projectile A on target B to that in p+p collisions. Measurements of the J/psi and psi(2S) nuclear modification factor are then compared with shadowing and transport model predictions, as well as to complementary measurements at LHC energies.