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Related papers: Wavelet analysis of event by event fluctuations

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Large density fluctuations of conserved charges have been proposed as a promising signature for exploring the QCD critical point in heavy-ion collisions. These fluctuations are expected to exhibit a fractal or scale-invariant behavior,…

Nuclear Theory · Physics 2025-04-04 Rui Wang , Chengrui Qiu , Chuan-Shen Hu , Zhiming Li , Yuanfang Wu

Correlations and fluctuations (the latter are directly related to the 2-particle correlations) is one of the important directions in analysis of heavy ion collisions. At the current stage of RHIC exploration, when the details matter,…

Nuclear Experiment · Physics 2015-06-26 Sergei A. Voloshin

The analysis of the statistical and dynamical fluctuations in nucleus-nucleus collisions on an event-by-event basis strongly relies on a comparison with specially constructed artificial events where statistical fluctuations and kinematical…

Nuclear Experiment · Physics 2007-05-23 Grazyna Odyniec

Hadron spectra and elliptic flow in high-energy heavy-ion collisions are studied within a (3+1)D ideal hydrodynamic model with fluctuating initial conditions given by the AMPT Monte Carlo model. Results from event-by-event simulations are…

Nuclear Theory · Physics 2012-09-20 Longgang Pang , Qun Wang , Xin-Nian Wang

In order to compare theoretical calculations of thermal fluctuations of conserved quantities, such as charge susceptibilities or the specific heat, to experimentally measured correlations and fluctuations in heavy ion collisions, one must…

Nuclear Theory · Physics 2017-05-31 Scott Pratt , Clint Young

The presence of large event-by-event flow fluctuations in heavy ion collisions at RHIC and the LHC provides an opportunity to study a broad class of flow observables. This paper explores the correlations among harmonic flow coefficients…

Nuclear Experiment · Physics 2014-09-12 Peng Huo , Jiangyong Jia , Soumya Mohapatra

In heavy-ion and hadronic collisions, indications of thermalization are detected in the yields of produced hadrons: these observations call for a detailed study of the hadronization processes. Novel observables are required to discriminate…

Nuclear Experiment · Physics 2023-12-15 Mario Ciacco

We introduce an event-by-event perturbative-QCD + saturation + hydro ("EKRT") framework for ultrarelativistic heavy-ion collisions, where we compute the produced fluctuating QCD-matter energy densities from next-to-leading order…

High Energy Physics - Phenomenology · Physics 2016-02-17 H. Niemi , K. J. Eskola , R. Paatelainen

Study of event by event fluctuations of thermodynamic quantities offer us more insight about the hot and dense matter created in the relativistic heavy ion collisions. In this review the recent results on these studies carried out by the…

Nuclear Experiment · Physics 2007-05-23 Supriya Das

We discuss an event-by-event fluctuation analysis of particle production in heavy ion collisions. We compare different approaches to the evaluation of the event-by-event dynamical fluctuations in quantities defined on groups of particles,…

Nuclear Theory · Physics 2009-10-31 S. A. Voloshin , V. Koch , H. G. Ritter

We study the dynamical fluctuations of various particle yield ratios at different incident energies. Assuming that the particle production yields in the hydronic final state are due to equilibrium chemical processes ($\gamma=1$), the…

High Energy Physics - Phenomenology · Physics 2015-05-13 A. Tawfik

The dynamical charge fluctuations have been studied in ultra-relativistic heavy-ion collisions by using hadronic model simulations, such as UrQMD and HIJING. The evolution of fluctuations has been calculated at different time steps during…

Nuclear Theory · Physics 2015-03-03 Bhanu Sharma , Madan M. Aggarwal , Nihar Ranjan Sahoo , Tapan K. Nayak

We present a complete set of multiparticle correlation observables for ultrarelativistic heavy-ion collisions. These include moments of the distribution of the anisotropic flow in a single harmonic, and also mixed moments, which contain the…

Nuclear Theory · Physics 2015-01-26 Rajeev S. Bhalerao , Jean-Yves Ollitrault , Subrata Pal

Event-by-event fluctuations in the initial conditions for a hydrodynamical description of heavy-ion collisions are characterized. We propose a Bessel-Fourier decomposition with respect to the azimuthal angle, the radius in the transverse…

High Energy Physics - Phenomenology · Physics 2013-10-30 Stefan Floerchinger , Urs Achim Wiedemann

In this review, we systematically examine the principles and the practices of fluctuations such as the momentum and the charge fluctuations as applied to the heavy ion collisions. Main emphases are: (i) Fluctuations as signals of phase…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sangyong Jeon , Volker Koch

Measurements of multiplicity fluctuations of identified hadrons produced in inelastic p+p interactions at 31, 40, 80, and 158~\GeVc beam momentum are presented. Three different measures of multiplicity fluctuations are used: the scaled…

Nuclear Experiment · Physics 2021-06-14 SHINE Collaboration , A. Acharya , H. Adhikary , A. Aduszkiewicz , K. K. Allison , E. V. Andronov , T. Antićić , V. Babkin , M. Baszczyk , S. Bhosale , A. Blondel , M. Bogomilov , A. Brandin , A. Bravar , W. Bryliński , J. Brzychczyk , M. Buryakov , O. Busygina , A. Bzdak , H. Cherif , M. Ćirković , M. Csanad , J. Cybowska , T. Czopowicz , A. Damyanova , N. Davis , M. Deliyergiyev , M. Deveaux , A. Dmitriev , W. Dominik , P. Dorosz , J. Dumarchez , R. Engel , G. A. Feofilov , L. Fields , Z. Fodor , A. Garibov , M. Gaździcki , O. Golosov , V. Golovatyuk , M. Golubeva , K. Grebieszkow , F. Guber , A. Haesler , S. N. Igolkin , S. Ilieva , A. Ivashkin , S. R. Johnson , K. Kadija , N. Kargin , E. Kashirin , M. Kiełbowicz , V. A. Kireyeu , V. Klochkov , V. I. Kolesnikov , D. Kolev , A. Korzenev , V. N. Kovalenko , S. Kowalski , M. Koziel , A. Krasnoperov , W. Kucewicz , M. Kuich , A. Kurepin , D. Larsen , A. László , T. V. Lazareva , M. Lewicki , K. Łojek , V. V. Lyubushkin , M. Maćkowiak-Pawłowska , Z. Majka , B. Maksiak , A. I. Malakhov , A. Marcinek , A. D. Marino , K. Marton , H. -J. Mathes , T. Matulewicz , V. Matveev , G. L. Melkumov , A. O. Merzlaya , B. Messerly , Ł. Mik , S. Morozov , Y. Nagai , M. Naskręt , V. Ozvenchuk , V. Paolone , O. Petukhov , I. Pidhurskyi , R. Płaneta , P. Podlaski , B. A. Popov , B. Porfy , M. Posiadała-Zezula , D. S. Prokhorova , D. Pszczel , S. Puławski , J. Puzović , M. Ravonel , R. Renfordt , D. Röhrich , E. Rondio , M. Roth , B. T. Rumberger , M. Rumyantsev , A. Rustamov , M. Rybczynski , A. Rybicki , S. Sadhu , A. Sadovsky , K. Schmidt , I. Selyuzhenkov , A. Yu. Seryakov , P. Seyboth , M. Słodkowski , P. Staszel , G. Stefanek , J. Stepaniak , M. Strikhanov , H. Ströbele , T. Šuša , A. Taranenko , A. Tefelska , D. Tefelski , V. Tereshchenko , A. Toia , R. Tsenov , L. Turko , R. Ulrich , M. Unger , D. Uzhva , F. F. Valiev , D. Veberič , V. V. Vechernin , A. Wickremasinghe , K. Wojcik , O. Wyszyński , A. Zaitsev , E. D. Zimmerman , R. Zwaska

We explore the dependence of the pT correlations in the event-by-event analysis of relativistic heavy-ion collisions at RHIC made recently by the PHENIX and STAR Collaborations. We point out that the observed scaling of strength of…

Nuclear Theory · Physics 2009-11-11 W. Broniowski , W. Florkowski , B. Hiller , P. Bozek

Non-statistical event-by-event fluctuations in relativistic heavy-ion collisions have been proposed as a probe of the phase transition of hadronic matter to a deconfined phase of quarks and gluons, the so-called Quark-Gluon Plasma. In a…

High Energy Physics - Experiment · Physics 2019-08-13 Nirbhay Kumar Behera

The elliptic flows of thermal di-electrons are investigated within a (2+1)-dimension event-by-event hydrodynamic model for Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV. The fluctuating initial conditions are given by the Monte Carlo Glauber…

High Energy Physics - Phenomenology · Physics 2015-09-15 Hao-jie Xu , Longgang Pang , Qun Wang

The shapes of invariant differential cross section for charged particle production as function of transverse momentum measured in heavy-ion collisions are analyzed. The data measured at RHIC and LHC are treated as function of energy density…

High Energy Physics - Phenomenology · Physics 2013-05-03 A. A. Bylinkin , A. A. Rostovtsev , N. S. Chernyavskaya