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Charged pion production in Au on Au collisions at 1 AGeV The FOPI Collaboration. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s002180050236] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Chatterjee R, Frodermann ES, Heinz U, Srivastava DK. Elliptic flow of thermal photons in relativistic nuclear collisions. PHYSICAL REVIEW LETTERS 2006; 96:202302. [PMID: 16803169 DOI: 10.1103/physrevlett.96.202302] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2005] [Indexed: 05/10/2023]
Abstract
We predict the transverse momentum (p(T)) dependence of elliptic flow of thermal photons for Au + Au collisions at the BNL Relativistic Heavy Ion Collider. We model the system hydrodynamically, with a thermalized quark-gluon plasma at early times followed by hadronization and decoupling. Photons are emitted throughout the expansion history. Contrary to hadron elliptic flow, which increases monotonically with p(T), the elliptic flow nu2(p(T)) of thermal photons is predicted to first rise and then fall again. Photon elliptic flow at high p(T) reflects the quark momentum anisotropy at early times when it is small, while at low p(T) it mirrors the large pion momentum anisotropy during the late hadronic emission stage. An interesting structure is predicted at intermediate p(T) approximately 0.4 GeV/c, where photon elliptic flow reflects the momenta and the (compared to pions) reduced nu2 of heavy vector mesons in the late hadronic phase.
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Affiliation(s)
- Rupa Chatterjee
- Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Kolkata 700 064, India
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Abstract
Nuclear collisions can compress nuclear matter to densities achieved within neutron stars and within core-collapse supernovae. These dense states of matter exist momentarily before expanding. We analyzed the flow of matter to extract pressures in excess of 10(34) pascals, the highest recorded under laboratory-controlled conditions. Using these analyses, we rule out strongly repulsive nuclear equations of state from relativistic mean field theory and weakly repulsive equations of state with phase transitions at densities less than three times that of stable nuclei, but not equations of state softened at higher densities because of a transformation to quark matter.
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Affiliation(s)
- Paweł Danielewicz
- National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824-1321, USA
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Li GQ, Ko CM. Antikaon flow in heavy-ion collisions: Effects of absorption and mean-field potential. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 54:R2159-R2162. [PMID: 9971650 DOI: 10.1103/physrevc.54.r2159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Xi H, Lynch WG, Tsang MB, Friedman WA. Secondary decays and the helium lithium isotope thermometer. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 54:R2163-R2166. [PMID: 9971651 DOI: 10.1103/physrevc.54.r2163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Li GQ, Ko CM. Lambda flow in heavy-ion collisions: The role of final-state interactions. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 54:1897-1902. [PMID: 9971539 DOI: 10.1103/physrevc.54.1897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Pak R, Craig D, Gualtieri EE, Hannuschke SA, Lacey RA, Lauret J, Llope WJ, Stone NT, Westfall GD, Yee J. Radial flow in 40Ar+45Sc reactions at E=35-115 MeV/nucleon. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 54:1681-1687. [PMID: 9971515 DOI: 10.1103/physrevc.54.1681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Daffin F, Haglin K, Bauer W. Collective radial expansion in Au+Au reactions from 0.25 to 2 GeV/nucleon. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 54:1375-1380. [PMID: 9971474 DOI: 10.1103/physrevc.54.1375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Li BA, Ko CM, Li GQ. pt dependence of transverse flow in relativistic heavy-ion collisions. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 54:844-847. [PMID: 9971410 DOI: 10.1103/physrevc.54.844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Kwiatkowski K, Bracken DS, Morley KB, Viola VE, Yoder NR, Volant C, Pollacco EC, Legrain R, Korteling RG, Friedman WA, Brzychczyk J, Breuer H. 4 pi studies of the 1.8-4.8 GeV 3He+natAg, 197Au reactions. II. Multifragmentation. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 54:749-760. [PMID: 9971398 DOI: 10.1103/physrevc.54.749] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Wang S, Lisa MA, Albergo S, Bieser F, Brady FP, Caccia Z, Cebra DA, Chacon AD, Chance JL, Choi Y, Costa S, Elliott JB, Gilkes ML, Hauger JA, Hirsch AS, Hjort EL, Insolia A, Justice M, Keane D, Kintner J, Lindenstruth V, Liu H, Matis HS, McMahan M, McParland C, Olson DL, Partlan MD, Porile NT, Potenza R, Rai G, Rasmussen J, Ritter HG, Romanski J, Romero JL, Russo GV, Scharenberg RP, Scott A, Shao Y, Srivastava BK, Symons TJ, Tincknell ML, Tuvè C, Warren PG, Weerasundara D, Wieman HH, Wolf KL. In-plane retardation of collective expansion in Au+Au collisions. PHYSICAL REVIEW LETTERS 1996; 76:3911-3914. [PMID: 10061144 DOI: 10.1103/physrevlett.76.3911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Tsang MB, Danielewicz P, Hsi WC, Huang M, Lynch WG, Bowman DR, Gelbke CK, Lisa MA, Peaslee GF, Charity RJ, Sobotka LG, Begemann-Blaich ML, Cosmo F, Ferrero A, Hubele J, Imme G, Iori I, Kempter J, Kreutz P, Kunde GJ, Kunze WD, Lindenstruth V, Lynen U, Mang M, Moroni A, Müller WF, Neumann M, Ocker B, Ogilvie CA, Pochodzalla J, Raciti G, Rosenberger F, Rubehn T, Sann H, Scardaoni R, Schüttauf A, Schwarz C, Seidel W, Serfling V, Trautmann W, Tucholski A, Wörner A, Zwieglinski B. Squeeze-out of nuclear matter in Au+Au collisions. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 53:1959-1962. [PMID: 9971154 DOI: 10.1103/physrevc.53.1959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Wang G, Kwiatkowski K, Viola VE, Bauer W, Danielewicz P. Cavitation and penetration in central collisions with light ions. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 53:1811-1818. [PMID: 9971132 DOI: 10.1103/physrevc.53.1811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Li BA, Ko CM. Pion flow and antiflow in relativistic heavy-ion collisions. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1996; 53:R22-R24. [PMID: 9970975 DOI: 10.1103/physrevc.53.r22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Li BA, Ko CM. Formation of superdense hadronic matter in high energy heavy-ion collisions. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1995; 52:2037-2063. [PMID: 9970720 DOI: 10.1103/physrevc.52.2037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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