2004
DOI: 10.1088/0954-3899/30/8/092
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Anisotropic flow from Lee–Yang zeros: a practical guide

Abstract: Abstract. We present a new method to analyze anisotropic flow from the genuine correlation among a large number of particles, focusing on the practical implementation of the method.

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Cited by 46 publications
(57 citation statements)
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“…To further investigate the multiparticle nature of the observed long-range correlations, we present measurements for pPb collisions at √ s NN = 5.02 TeV of multiparticle correlations using six-and eight-particle cumulant methods [17,18] and also results based on the Lee-Yang Zeros (LYZ) method [19,20] involving correlations among all particles. The pPb data are obtained by the CMS experiment during the 2013 pPb run at the LHC.…”
Section: Introductionmentioning
confidence: 99%
“…To further investigate the multiparticle nature of the observed long-range correlations, we present measurements for pPb collisions at √ s NN = 5.02 TeV of multiparticle correlations using six-and eight-particle cumulant methods [17,18] and also results based on the Lee-Yang Zeros (LYZ) method [19,20] involving correlations among all particles. The pPb data are obtained by the CMS experiment during the 2013 pPb run at the LHC.…”
Section: Introductionmentioning
confidence: 99%
“…A first possibility is to start from already existing models of correlations, which make predictions for definite quantities, and to try to deal with the pair-flow observables so as to relate them to these quantities. This was attempted in reference [4], where we showed how to use the two-particle flow observables to recover previously-used quantities in models of quantum correlations [6] or high-p T jet-like correlations [7]. The second approach consists in predicting directly the values of the pair-flow coefficients v pair c,n and v pair s,n within the framework of given models, relating their behaviour to the various parameters of the models.…”
Section: Summary and Applicationsmentioning
confidence: 99%
“…Beyond that, two arbitrary particles may also be correlated, for various reasons: a) they may be the decay products of a short-lived particle that decays before reaching the detectors, or b) they may both belong to a (di)jet originating from a hard parton scattering, or c) they may be identical particles whose wave-functions interfere. Whatever the physical mechanism involved, the resulting two-particle correlation will depend on the azimuths of the particles if the short-lived parent particles flow (case a), or because the anisotropy of the interacting region results in anisotropic patterns of parton energy loss [2] (case b) and interferometry [3] (case c).The purpose of this paper is to present model-independent observables that characterize in a general way azimuthally-sensitive two-particle correlations, without any prejudice on the underlying physical mechanism [4]. We then discuss the experimental measurement of these observables, i.e., the measurement of the particlepair distribution with respect to the reaction plane.…”
mentioning
confidence: 99%
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“…One of main features of Quark Gluon Plasma is its hydrodynamic behavior characterized by v n coefficients extracted using methods like two-and many-particle correlations [1], the scalar product (SP) [2,3] and the Lee-Yang Zero (LYZ) [4,5]. The CMS collaboration measured v 2 coefficient in PbPb collisions over a wide p T range up to 100 GeV/c [6].…”
Section: Introductionmentioning
confidence: 99%