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CERN Document Server 2,014 records found  1 - 10nextend  jump to record: Search took 0.48 seconds. 
1.
(100)
Mode-by-mode hydrodynamics: ideas and concepts / Floerchinger, Stefan (CERN)
The main ideas, technical concepts and perspectives for a mode resolved description of the hydrodynamical regime of relativistic heavy ion collisions are discussed. A background-fluctuation splitting and a Bessel-Fourier expansion for the fluctuating part of the hydrodynamical fields allows for a complete characterization of initial conditions, the fluid dynamical propagation of single modes, the study of interaction effects between modes, the determination of the associated particle spectra and the generalization of the whole program to event-by-event correlations and probability distributions..
arXiv:1401.2339.- 2014 - 7 p. - Published in : Nucl. Phys. A 926 (2014) 115-121 Fulltext: PDF; External link: Preprint
In : International Conference on the Initial Stages in High-Energy Nuclear Collisions, Illa Da Toxa, Galicia, Spain, 8 - 14 Sep 2013, pp.115-121
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2.
(91)
A perturbative approach to the hydrodynamics of heavy ion collisions / Floerchinger, Stefan (CERN) ; Wiedemann, Urs Achim (CERN) ; Beraudo, Andrea (INFN, Turin) ; Del Zanna, Luca (Florence U. ; INFN, Florence ; Arcetri Observ.) ; Inghirami, Gabriele (Florence U. ; INFN, Florence) ; Rolando, Valentina (INFN, Ferrara ; Ferrara U.)
Initial fluctuations in hydrodynamic fields such as energy density or flow velocity give access to understanding initial state and equilibration physics as well as thermodynamic and transport properties. We provide evidence that the fluid dynamic propagation of fluctuations of realistic size can be based on a background-fluctuation splitting and a systematic perturbative expansion in the fluctuating fields. [...]
CERN-PH-TH-2014-167; arXiv:1408.6384; CERN-PH-TH-2014-167.- 2014-11 - 5 p. - Published in : Nucl. Phys. A 931 (2014) 965-969 Preprint: PDF; External link: Preprint
In : 24th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Darmstadt, Germany, 19 - 24 May 2014, pp.965-969
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3.
(57)
Fluid dynamic propagation of initial baryon number perturbations on a Bjorken flow background / Floerchinger, Stefan (CERN) ; Martinez, Mauricio (Ohio State U.)
Baryon number density perturbations offer a possible route to experimentally measure baryon number susceptibilities and heat conductivity of the quark gluon plasma. We study the fluid dynamical evolution of local and event-by-event fluctuations of baryon number density, flow velocity and energy density on top of a (generalized) Bjorken expansion. [...]
arXiv:1507.05569; CERN-PH-TH-2015-169; CERN-PH-TH-2015-169.- Geneva : CERN, 2015-12-11 - 29 p. - Published in : Phys. Rev. C 92 (2015) 064906 APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
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4.
(49)
Characterization of initial fluctuations for the hydrodynamical description of heavy ion collisions / Floerchinger, Stefan (CERN) ; Wiedemann, Urs Achim (CERN)
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 plane and rapidity. [...]
arXiv:1307.7611; CERN-PH-TH-2013-179; CERN-PH-TH-2013-179.- 2013-10-10 - 22 p. - Published in : Phys. Rev. C 88 (2013) 044906 APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
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5.
(45)
Mode-by-mode fluid dynamics for relativistic heavy ion collisions / Floerchinger, Stefan (CERN) ; Wiedemann, Urs Achim (CERN)
We propose to study the fluid dynamic propagation of fluctuations in relativistic heavy ion collisions differentially with respect to their azimuthal, radial and longitudinal wavelength. To this end, we introduce a background-fluctuation splitting and a Bessel-Fourier decomposition of the fluctuating modes. [...]
arXiv:1307.3453; CERN-PH-TH-2013-163; CERN-PH-TH-2013-163.- 2014-01-20 - 5 p. - Published in : Phys. Lett. B 728 (2014) 407 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF;
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6.
(20)
Kinetic freeze-out, particle spectra and harmonic flow coefficients from mode-by-mode hydrodynamics / Floerchinger, Stefan (CERN) ; Wiedemann, Urs Achim (CERN)
The kinetic freeze-out for the hydrodynamical description of relativistic heavy ion collisions is discussed using a background-fluctuation splitting of the hydrodynamical fields. For a single event, the particle spectrum, or its logarithm, can be written as the sum of background part that is symmetric with respect to azimuthal rotations and longitudinal boosts and a part containing the contribution of fluctuations or deviations from the background. [...]
arXiv:1311.7613; CERN-PH-TH-2013-288; CERN-PH-TH-2013-288.- 2014-03-31 - 17 p. - Published in : Phys. Rev. C 89 (2014) 034914 APS published version, local copy: PDF; Fulltext: PDF; External link: Preprint
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7.
(17)
Fluctuations and correlations from NA61/SHINE / Gazdzicki, Marek (Frankfurt U. ; Jan Kochanowski U.) /for the NA61/SHINE Collaboration
Basic ideas, methods and results related to the NA61/SHINE study of event-by-event fluctuations in high energy nuclear collisions are briefly reviewed..
arXiv:1801.00178.- SISSA, 2017-12-10 - 13 p. - Published in : PoS CPOD2017 (2018) 012 Fulltext: PoS(CPOD2017)012 - PDF; arXiv:1801.00178 - PDF; External link: PoS server
In : 11th International Workshop on Critical Point and Onset of Deconfinement, Stony Brook, NY, USA, 07 - 11 Aug 2017, pp.012
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8.
(17)
Transverse and longitudinal event-by-event flow fluctuations of $v_1$−$v_4$ in 5.02 TeV Pb+Pb collisions with the ATLAS detector / Zhou, Mingliang (Stony Brook University) /ATLAS Collaboration
Multi-particle flow correlations in Pb+Pb collisions provide unique insight into the nature of event-by-event fluctuations of the initial eccentricity as well as final state dynamics in the transverse and longitudinal directions. This talk presents a detailed study of transverse flow fluctuations using 4 and 6-particle cumulants $v_n\{4\}$ and $v_n\{6\}$ for $n=1,2,3$ and 4. [...]
ATL-PHYS-SLIDE-2018-263.- Geneva : CERN, 2018 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 27th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions , Venice, Italy, 13 - 19 May 2018
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9.
(14)
Statistics of initial density perturbations in heavy ion collisions and their fluid dynamic response / Floerchinger, Stefan (CERN) ; Wiedemann, Urs Achim (CERN)
An interesting opportunity to determine thermodynamic and transport properties in more detail is to identify generic statistical properties of initial density perturbations. Here we study event-by-event fluctuations in terms of correlation functions for two models that can be solved analytically. [...]
arXiv:1405.4393; CERN-PH-TH-2014-092; CERN-PH-TH-2014-092.- 2014 - 38 p. - Published in : JHEP 08 (2014) 005 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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10.
(12)
Event-by-event fluctuations and the QGP phase transition / Nayak, Tapan K. (CERN)
Fluctuations of thermodynamic quantities are fundamental to the study of QGP phase transition. Event-by-event fluctuations of many quantities have been studied by dedicated heavy-ion experiments. [...]
nucl-ex/0608021.- 2006 - 8 p. - Published in : J. Phys. G 32 (2006) S187-S194 Access to fulltext document: PDF; Fulltext: PDF; External link: nucl-ex/0608021 PDF
In : International Conference On Strangeness In Quark Matter, Los Angeles, CA, USA, 26 - 31 Mar 2006, pp.S187-S194
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