Pseudorapidity Dependence Of Long Range Two Particle Correlations In P Pb Collisions At Sqrt S Nn
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Pseudorapidity Dependence Of Long Range Two Particle Correlations In P Pb Collisions At Sqrt S Nn
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Author :
language : en
Publisher:
Release Date : 2016
Pseudorapidity Dependence Of Long Range Two Particle Correlations In P Pb Collisions At Sqrt S 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 2016 with categories.
Two-particle correlations in pPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV are studied as a function of the pseudorapidity separation (Delta eta) of the particle pair at small relative azimuthal angle (abs(Delta phi)
Pseudorapidity Dependence Of Long Range Two Particle Correlations In P Pb Collisions At Snn
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Author : CMS Collaboration
language : en
Publisher:
Release Date : 2016
Pseudorapidity Dependence Of Long Range Two Particle Correlations In P Pb Collisions At Snn written by CMS Collaboration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1985
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Science categories.
Evidence For Transverse Momentum And Pseudorapidity Dependent Event Plane Fluctuations In Pbpb And Ppb Collisions
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Author :
language : en
Publisher:
Release Date : 2015
Evidence For Transverse Momentum And Pseudorapidity Dependent Event Plane Fluctuations In Pbpb And Ppb Collisions 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.
A systematic study of the factorization of long-range azimuthal two-particle correlations into a product of single-particle anisotropies is presented as a function of pT and [eta] of both particles and as a function of the particle multiplicity in PbPb and pPb collisions. The data were taken with the CMS detector for PbPb collisions at √sNN=2.76 TeV and pPb collisions at √sNN=5.02 TeV, covering a very wide range of multiplicity. Factorization is observed to be broken as a function of both particle pT and [eta]. When measured with particles of different pT, the magnitude of the factorization breakdown for the second Fourier harmonic reaches 20% for very central PbPb collisions but decreases rapidly as the multiplicity decreases. The data are consistent with viscous hydrodynamic predictions, which suggest that the effect of factorization breaking is mainly sensitive to the initial-state conditions rather than to the transport properties (e.g., shear viscosity) of the medium. The factorization breakdown is also computed with particles of different [eta]. The effect is found to be weakest for mid-central PbPb events but becomes larger for more central or peripheral PbPb collisions, and also for very-high-multiplicity pPb collisions. The [eta]-dependent factorization data provide new insights to the longitudinal evolution of the medium formed in heavy ion collisions.
Centrality Dependence Of Dihadron Correlations And Azimuthal Anisotropy Harmonics In Pbpb Collisions At Sqrt S Nn
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Author :
language : en
Publisher:
Release Date : 2012
Centrality Dependence Of Dihadron Correlations And Azimuthal Anisotropy Harmonics In Pbpb Collisions At Sqrt S 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 2012 with categories.
Measurements from the CMS experiment at the LHC of dihadron correlations for charged particles produced in PbPb collisions at a nucleon-nucleon centre-of-mass energy of 2.76 TeV are presented. The results are reported as a function of the particle transverse momenta (pt) and collision centrality over a broad range in relative pseudorapidity [Delta(eta)] and the full range of relative azimuthal angle [Delta(phi)]. The observed two-dimensional correlation structure in Delta(eta) and Delta(phi) is characterised by a narrow peak at (Delta(eta), Delta(phi)) approximately (0, 0) from jet-like correlations and a long-range structure that persists up to at least.
Measurement Of Long Range Near Side Two Particle Angular Correlations In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2015
Measurement Of Long Range Near Side Two Particle Angular Correlations In Pp Collisions At Sqrt 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 2015 with categories.
Our results on two-particle angular correlations for charged particles produced in pp collisions at a center-of-mass energy of 13 TeV are presented. The data were taken with the CMS detector at the LHC and correspond to an integrated luminosity of about 270 nb-1. The correlations are studied over a broad range of pseudorapidity).
Forward Central Two Particle Correlations In P Pb Collisions At Mml
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Author :
language : en
Publisher:
Release Date : 2015
Forward Central Two Particle Correlations In P Pb Collisions At Mml 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.
Two-particle angular correlations between trigger particles in the forward pseudorapidity range (2.5>
Multiparticle Correlations In Pb Pb Collisions At P Square Root Symbol Nn
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Author : Jocelyn Mlynarz
language : en
Publisher:
Release Date : 2014
Multiparticle Correlations In Pb Pb Collisions At P Square Root Symbol Nn written by Jocelyn Mlynarz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Condensed matter categories.
Quantum Chromodynamics, which describe the interactions of quarks and gluons, have been found not to violate global parity symmetry. However, the possibility of local parity violations due to transitions in the vacuum state of QCD is not excluded. The effects of these parity violations could be measured in the hot and dense medium created in the ultrarelativistic heavy ion collisions experiment conducted at the Large Hadron Collider, called a Quark-Gluon Plasma, in which the quarks that compose most of ordinary matter are deconfined. In the strong magnetic fields which permeate the QGP in non-central collisions, parity violation would express itself as a charge asymetry with respect to the reaction plane, a phenomenon called the Chiral Magnetic Effect. The measurements of the charge-dependent correlations in a heavy-ion collisions allows to experimentally probe effects of the CME. These measurements are conducted via the use of the second harmonic two-particle correlator with respect to the reaction plane, $\langle\cos(\phi_{a}+\phi_{b}-2\psi)\rangle$ The background affecting these measurements is the consequence of an interplay of strong anisotropic flow and correlations unrelated to the CME. Correlations with respect to the fourth harmonic, $\langle\cos(2\phi_{a}+2\phi_{b}-4\psi)\rangle$, are insensitive to the CME and can be used to estimate the magnitude of these background effects. In this thesis, we present results from charge-dependent correlations with respect to both the second and fourth harmonic event planes measured in Pb+Pb collisions at $\sqrt{s_{NN}} = 2.76$ TeV at the LHC using data from the ALICE detector. We also present calculations of the ratio of the fourth to second harmonics based on the blast-wave model, which serve as a baseline to understand how these background effects scale between one harmonic and another.
Particle Correlations In P Anti P Interactions At Radical S
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Author :
language : en
Publisher:
Release Date : 1990
Particle Correlations In P Anti P Interactions At Radical 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 1990 with categories.
Preliminary results on Bose-Einstein correlations and two particle pseudorapidity correlations in p{bar p} interactions at (square root)s = 1800 and 630 GeV are presented. Data were collected with a minimum- bias'' trigger with the Collider Detector at Fermilab. The size of the particle emitting source, measured via Bose-Einstein interference at (square root)s =1800 GeV, is of the order of 1 fm. The observed short-range pseudorapidity correlations, compared to lower energy data, do not show any significant energy dependence. 10 refs., 5 figs.
Multiplicity Dependence Of Jet Like Two Particle Correlation Structures In P Pb Collisions At Arrow Nn
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Author :
language : en
Publisher:
Release Date : 2014
Multiplicity Dependence Of Jet Like Two Particle Correlation Structures In P Pb Collisions At Arrow 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.
Two-particle angular correlations between unidentified charged trigger and associated particles are measured by the ALICE detector in p-Pb collisions at a nucleon-nucleon centre-of-mass energy of 5.02 TeV. The transverse-momentum range 0.7