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• Several versions

### Anisotropic flow of charged particles at tev measured with the alice detector

Bilandzic, Ante
Journal of Physics G: Nuclear and Particle Physics, 2011, Vol.38(12), p.124052 (4pp) [Peer Reviewed Journal]

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### Anisotropic flow measured from multi-particle azimuthal correlations for Pb-Pb collisions at 2.76 TeV by ALICE at the LHC

Bilandzic, Ante
Cornell University
Available
Title: Anisotropic flow measured from multi-particle azimuthal correlations for Pb-Pb collisions at 2.76 TeV by ALICE at the LHC
Author: Bilandzic, Ante
Subject: Nuclear Experiment ; High Energy Physics - Experiment
Description: We report on the measurement of various flow harmonics, $v_n$, with multi-particle cumulants, and present the results from a study of the inter-correlation among different order symmetry planes $\Psi_n$ via multi-particle mixed harmonic correlations. This provides comprehensive experimental information on the fluctuating event-by-event shape of the initial conditions, which is currently among the main sources of large theoretical uncertainties in describing the evolution of the system created in heavy-ion collisions. Comment: 4 pages, 4 figures, Proceedings for Quark Matter 2012, Washington D.C., August 13-18, 2012
Identifier: 1210.6222 (ARXIV ID)
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### Anisotropic flow measured from multi-particle azimuthal correlations for Pb-Pb collisions at 2.76 TeV by ALICE at the LHC

Bilandzic, Ante
arXiv.org, Oct 23, 2012 [Peer Reviewed Journal]
© ProQuest LLC All rights reserved, Engineering Database, Publicly Available Content Database, ProQuest Engineering Collection, ProQuest Technology Collection, ProQuest SciTech Collection, Materials Science & Engineering Database, ProQuest Central (new), ProQuest Central Korea, SciTech Premium Collection, Technology Collection, ProQuest Central Essentials, ProQuest One Academic, Engineering Collection (ProQuest)
Available
Title: Anisotropic flow measured from multi-particle azimuthal correlations for Pb-Pb collisions at 2.76 TeV by ALICE at the LHC
Author: Bilandzic, Ante
Contributor: Bilandzic, Ante (pacrepositoryorg)
Subject: Initial Conditions ; Correlation Analysis ; Variation ; Ionic Collisions
Description: We report on the measurement of various flow harmonics, $$v_n$$, with multi-particle cumulants, and present the results from a study of the inter-correlation among different order symmetry planes $$\Psi_n$$ via multi-particle mixed harmonic correlations. This provides comprehensive experimental information on the fluctuating event-by-event shape of the initial conditions, which is currently among the main sources of large theoretical uncertainties in describing the evolution of the system created in heavy-ion collisions.
Is part of: arXiv.org, Oct 23, 2012
Identifier: 2331-8422 (E-ISSN); 10.1016/j.nuclphysa.2013.02.066 (DOI)
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### Higher order moments of multiparticle azimuthal correlations

Bilandzic, Ante
Cornell University
Available
Title: Higher order moments of multiparticle azimuthal correlations
Author: Bilandzic, Ante
Subject: Nuclear Experiment ; Nuclear Theory
Description: We introduce a general procedure to pave the road towards the ultimate goal of deriving analytic expressions for the probability density functions (p.d.f.'s) of multiparticle azimuthal correlations. All multiparticle azimuthal correlators can be expressed analytically in terms of the real and imaginary parts of $M$-particle $Q$-vectors. We derive the analytic results for the p.d.f.'s of single-particle $Q$-vectors in the most general case and demonstrate that they can be expressed solely in terms of Chebyshev polynomials of the first kind. This leads analytically to the expressions of the characteristic functions of $M$-particle $Q$-vectors in terms of Bessel functions of the first kind. From the obtained characteristics functions we calculate the higher order moments of the real and imaginary parts of $M$-particle $Q$-vectors and use them to obtain the higher order moments of multiparticle azimuthal correlators. Finally, these results are used to investigate the sensitivity of multiparticle azimuthal correlations and to illuminate requirements necessary for future anisotropic flow measurements. Comment: 34 pages, 11 figures. This version submitted for publication. Changes: 1) Closed form expressions (33) and (34); 2) Terms in Eqs. (35-42) rearranged; 3) Important erratum: In Eq. (46) for the variance of : \chi -> \chi^2. This change affects the rest of discussion, most notably the Figure 3; 4) Skewness of in Eq. (52); 5) New appendices C2 and D3; 6) References refreshed
Identifier: 1409.5636 (ARXIV ID)
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### Higher order moments of multiparticle azimuthal correlations

Bilandzic, Ante
arXiv.org, Oct 14, 2014
© ProQuest LLC All rights reserved, Engineering Database, Publicly Available Content Database, ProQuest Engineering Collection, ProQuest Technology Collection, ProQuest SciTech Collection, Materials Science & Engineering Database, ProQuest Central (new), ProQuest Central Korea, SciTech Premium Collection, Technology Collection, ProQuest Central Essentials, ProQuest One Academic, Engineering Collection (ProQuest)
Available
Title: Higher order moments of multiparticle azimuthal correlations
Author: Bilandzic, Ante
Contributor: Bilandzic, Ante (pacrepositoryorg)
Subject: Chebyshev Approximation ; Probability Density Functions ; Correlators ; Mathematical Analysis ; Characteristic Functions ; Bessel Functions ; Polynomials ; Correlation Analysis
Description: We introduce a general procedure to pave the road towards the ultimate goal of deriving analytic expressions for the probability density functions (p.d.f.'s) of multiparticle azimuthal correlations. All multiparticle azimuthal correlators can be expressed analytically in terms of the real and imaginary parts of $$M$$-particle $$Q$$-vectors. We derive the analytic results for the p.d.f.'s of single-particle $$Q$$-vectors in the most general case and demonstrate that they can be expressed solely in terms of Chebyshev polynomials of the first kind. This leads analytically to the expressions of the characteristic functions of $$M$$-particle $$Q$$-vectors in terms of Bessel functions of the first kind. From the obtained characteristics functions we calculate the higher order moments of the real and imaginary parts of $$M$$-particle $$Q$$-vectors and use them to obtain the higher order moments of multiparticle azimuthal correlators. Finally, these results are used to investigate the sensitivity...
Is part of: arXiv.org, Oct 14, 2014
Identifier: 2331-8422 (E-ISSN)
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### Recent results on anisotropic flow and related phenomena in ALICE

Bilandzic, Ante
arXiv.org, May 19, 2016
© ProQuest LLC All rights reserved, Engineering Database, Publicly Available Content Database, ProQuest Engineering Collection, ProQuest Technology Collection, ProQuest SciTech Collection, Materials Science & Engineering Database, ProQuest Central (new), ProQuest Central Korea, SciTech Premium Collection, Technology Collection, ProQuest Central Essentials, ProQuest One Academic, Engineering Collection (ProQuest)
Available
Title: Recent results on anisotropic flow and related phenomena in ALICE
Author: Bilandzic, Ante
Contributor: Bilandzic, Ante (pacrepositoryorg)
Subject: Anisotropy ; Large Hadron Collider ; Atomic Collisions ; Charged Particles ; Quark-Gluon Plasma
Description: The exploration of properties of an extreme state of matter, the Quark--Gluon Plasma, has broken new ground with the recent Run 2 operation of the Large Hadron Collider with heavy-ion collisions at the highest energy to date. With the heavy-ion data taken at the end of 2015, the ALICE Collaboration has made the first observation of anisotropic flow of charged particles and related phenomena in lead--lead collisions at the record breaking energy of 5.02 TeV per nucleon pair. The Run 2 results come after the proton-lead collisions, which provided a lot of unexpected results obtained with two- and multi-particle correlation techniques. In these proceedings, a brief overview of these results will be shown. We will discuss how they further enlighten the properties of matter produced in ultrarelativistic nuclear collisions. We indicate the possibility that, to leading order, the striking universality of flow results obtained with correlation techniques in pp, p--A and A--A collisions might have...
Is part of: arXiv.org, May 19, 2016
Identifier: 2331-8422 (E-ISSN)
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### Anisotropic flow of charged particles at $\mathbf{\sqrt{s_{NN}} = 2.76}$ TeV measured with the ALICE detector

Bilandzic, Ante
Cornell University
Available
Title: Anisotropic flow of charged particles at $\mathbf{\sqrt{s_{NN}} = 2.76}$ TeV measured with the ALICE detector
Author: Bilandzic, Ante
Subject: Nuclear Experiment
Description: Measurements of anisotropic flow in heavy-ion collisions provide evidence for the creation of strongly interacting matter which appears to behave as an almost ideal fluid. Anisotropic flow signals the presence of multiple interactions and is very sensitive to the initial spatial anisotropy of the overlap region in non-central heavy-ion collisions. In this article we report measurements of elliptic $v_2$, triangular $v_3$, quadrangular $v_4$ and pentagonal $v_5$ flow. These measurements have been performed with 2- and multi-particle correlation techniques. Comment: 4 pages, 4 figures, Quark Matter 2011 proceedings
Identifier: 1106.6209 (ARXIV ID)
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### Recent results on anisotropic flow and related phenomena in ALICE

Bilandzic, Ante
Cornell University
Available
Title: Recent results on anisotropic flow and related phenomena in ALICE
Author: Bilandzic, Ante
Subject: Nuclear Experiment
Description: The exploration of properties of an extreme state of matter, the Quark--Gluon Plasma, has broken new ground with the recent Run 2 operation of the Large Hadron Collider with heavy-ion collisions at the highest energy to date. With the heavy-ion data taken at the end of 2015, the ALICE Collaboration has made the first observation of anisotropic flow of charged particles and related phenomena in lead--lead collisions at the record breaking energy of 5.02 TeV per nucleon pair. The Run 2 results come after the proton-lead collisions, which provided a lot of unexpected results obtained with two- and multi-particle correlation techniques. In these proceedings, a brief overview of these results will be shown. We will discuss how they further enlighten the properties of matter produced in ultrarelativistic nuclear collisions. We indicate the possibility that, to leading order, the striking universality of flow results obtained with correlation techniques in pp, p--A and A--A collisions might have purely mathematical origin, and that physical conclusions therefore could be drawn only from the subleading orders. Comment: 4 pages, 2 figures. Proceedings for Rencontres de Moriond conference, March 19-26, 2016
Identifier: 1605.06160 (ARXIV ID)
• Several versions

### Flow analysis with cumulants: direct calculations

Bilandzic, Ante, Snellings, Raimond, Voloshin, Sergei
arXiv.org, Oct 17, 2011 [Peer Reviewed Journal]

• Several versions

### Generic framework for anisotropic flow analyses with multi-particle azimuthal correlations

Bilandzic, Ante, Gulbrandsen, Kristjan, Hansen, Alexander, Zhou, You
arXiv.org, Dec 20, 2013 [Peer Reviewed Journal]