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. 2020 Dec 31;125(26):262301.
doi: 10.1103/PhysRevLett.125.262301.

Directed, Elliptic, and Higher Order Flow Harmonics of Protons, Deuterons, and Tritons in Au+Au Collisions at sqrt[s_{NN}]=2.4 GeV

J Adamczewski-Musch  1 , O Arnold  2   3 , C Behnke  4 , A Belounnas  5 , A Belyaev  6 , J C Berger-Chen  2   3 , A Blanco  7 , C Blume  4 , M Böhmer  3 , P Bordalo  7 , S Chernenko  6 , L Chlad  8 , I Ciepal  9 , C Deveaux  10 , J Dreyer  11 , E Epple  2   3 , L Fabbietti  2   3 , O Fateev  6 , P Filip  12 , P Fonte  7 , C Franco  7 , J Friese  3 , I Fröhlich  4 , T Galatyuk  1   13 , J A Garzón  14 , R Gernhäuser  3 , O Golosov  15 , M Golubeva  16 , R Greifenhagen  11 , F Guber  16 , M Gumberidze  1   13 , S Harabasz  17   13 , T Heinz  1 , T Hennino  5 , S Hlavac  12 , C Höhne  1   10 , R Holzmann  1 , A Ierusalimov  6 , A Ivashkin  16 , B Kämpfer  11 , T Karavicheva  16 , B Kardan  4 , I Koenig  1 , W Koenig  1 , M Kohls  4 , B W Kolb  1 , G Korcyl  17 , G Kornakov  13 , F Kornas  13 , R Kotte  11 , A Kugler  8 , T Kunz  3 , A Kurepin  16 , A Kurilkin  6 , P Kurilkin  6 , V Ladygin  6 , R Lalik  17 , K Lapidus  2   3 , A Lebedev  18 , L Lopes  7 , M Lorenz  4 , T Mahmoud  10 , L Maier  3 , A Malige  17 , M Mamaev  15 , A Mangiarotti  7 , J Markert  1 , T Matulewicz  19 , S Maurus  3 , V Metag  10 , J Michel  4 , D M Mihaylov  2   3 , S Morozov  16   15 , C Müntz  4 , R Münzer  2   3 , L Naumann  11 , K Nowakowski  17 , Y Parpottas  20 , V Pechenov  1 , O Pechenova  1 , O Petukhov  16 , K Piasecki  19 , J Pietraszko  1 , W Przygoda  17 , K Pysz  9 , S Ramos  7 , B Ramstein  5 , N Rathod  17 , A Reshetin  16 , P Rodriguez-Ramos  8 , P Rosier  5 , A Rost  13 , A Rustamov  1 , A Sadovsky  16 , P Salabura  17 , T Scheib  4 , H Schuldes  4 , E Schwab  1 , F Scozzi  13   5 , F Seck  13 , P Sellheim  4 , I Selyuzhenkov  1   15 , J Siebenson  3 , L Silva  7 , U Singh  17 , J Smyrski  17 , Yu G Sobolev  8 , S Spataro  21 , S Spies  4 , H Ströbele  4 , J Stroth  1   4 , C Sturm  1 , O Svoboda  8 , M Szala  4 , P Tlusty  8 , M Traxler  1 , H Tsertos  20 , E Usenko  16 , V Wagner  8 , C Wendisch  1 , M G Wiebusch  1 , J Wirth  2   3 , D Wójcik  19 , Y Zanevsky  6 , P Zumbruch  1 ; HADES Collaboration
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Free article

Directed, Elliptic, and Higher Order Flow Harmonics of Protons, Deuterons, and Tritons in Au+Au Collisions at sqrt[s_{NN}]=2.4 GeV

J Adamczewski-Musch et al. Phys Rev Lett. .
Free article

Abstract

Flow coefficients v_{n} of the orders n=1-6 are measured with the High-Acceptance DiElectron Spectrometer (HADES) at GSI for protons, deuterons, and tritons as a function of centrality, transverse momentum, and rapidity in Au+Au collisions at sqrt[s_{NN}]=2.4 GeV. Combining the information from the flow coefficients of all orders allows us to construct for the first time, at collision energies of a few GeV, a multidifferential picture of the angular emission pattern of these particles. It reflects the complicated interplay between the effect of the central fireball pressure on the emission of particles and their subsequent interaction with spectator matter. The high precision information on higher order flow coefficients is a major step forward in constraining the equation of state of dense baryonic matter.

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