scholarly journals Correlation between elliptic flow and shear viscosity in intermediate-energy heavy-ion collisions

2014 ◽  
Vol 90 (5) ◽  
Author(s):  
C. L. Zhou ◽  
Y. G. Ma ◽  
D. Q. Fang ◽  
G. Q. Zhang ◽  
J. Xu ◽  
...  
Keyword(s):  
Shear Viscosity ◽  
Heavy Ion Collisions ◽  
Elliptic Flow ◽  
Heavy Ion ◽  
Intermediate Energy ◽  
Ion Collisions

ANISOTROPIC FLOWS OF NUCLEAR CLUSTERS AND HARD PHOTONS IN INTERMEDIATE ENERGY HEAVY ION COLLISIONS

2008 ◽  
Vol 17 (09) ◽  
pp. 1850-1864
Author(s):  
GUI-HUA LIU ◽  
TING-ZHI YAN ◽  
YU-GANG MA ◽  
X. Z. CAI ◽  
D. Q. FANG ◽  
...  
Keyword(s):  
Transverse Momentum ◽  
Heavy Ion Collisions ◽  
Elliptic Flow ◽  
Heavy Ion ◽  
Intermediate Energy ◽  
Hard Photon ◽  
Transport Models ◽  
Directed Flow ◽  
Ion Collisions ◽  
Nuclear Clusters

Anisotropic flows of light nuclear clusters and hard photons are studied by nucleonic transport models in intermediate energy heavy ion collisions. The transverse momentum and rapidity dependences of the directed flow (v1) and elliptic flow (v2) are studied for light nuclear clusters and their scaling behaviors are found. The ratio of [Formula: see text] of nuclear clusters show a constant value of 1/2. Proton-neutron bremsstrahlung hard photon shows non-zero flows with the contrary sign of proton's flows.

AZIMUTHAL ASYMMETRY AND CORRELATIONS OF HARD PHOTONS IN INTERMEDIATE ENERGY HEAVY ION COLLISIONS

2010 ◽  
Vol 19 (08n09) ◽  
pp. 1773-1787
Author(s):  
GUI-HUA LIU ◽  
YU-GANG MA ◽  
X. Z. CAI ◽  
D. Q. FANG ◽  
W. GUO ◽  
...  
Keyword(s):  
Heavy Ion Collisions ◽  
Early Stage ◽  
Elliptic Flow ◽  
Good Method ◽  
Nuclear Interaction ◽  
Heavy Ion ◽  
Intermediate Energy ◽  
Directed Flow ◽  
Two Photon ◽  
Ion Collisions

Hard photon emitted from energetic heavy ion collisions is of very interesting since it does not experience the late-stage nuclear interaction, therefore it is useful to explore the early-stage information of matter phase. In this work, we investigated the directed flow and elliptic flow for proton-neutron bremsstrahlung hard photons in intermediate energy heavy-ion collisions. The positive directed flow and negative elliptic flow of directed photons are illustrated and they seem to be anti-correlated to the free proton's flow. Also we calculated the two-photon correlation functions from which the information of photon source was extracted, and while two-photon azimuthal correlations are presented as a good method to extract the elliptic flow parameter v2 of direct hard photons.

scholarly journals Elliptic flow of colored glass in high energy heavy ion collisions

2003 ◽  
Vol 554 (1-2) ◽  
pp. 21-27 ◽  
Author(s):  
Alex Krasnitz ◽  
Yasushi Nara ◽  
Raju Venugopalan
Keyword(s):  
Heavy Ion Collisions ◽  
Elliptic Flow ◽  
Heavy Ion ◽  
High Energy ◽  
Colored Glass ◽  
Ion Collisions

scholarly journals Hadronic dissipative effects on elliptic flow in ultrarelativistic heavy-ion collisions

2006 ◽  
Vol 636 (6) ◽  
pp. 299-304 ◽  
Author(s):  
Tetsufumi Hirano ◽  
Ulrich Heinz ◽  
Dmitri Kharzeev ◽  
Roy Lacey ◽  
Yasushi Nara
Keyword(s):  
Heavy Ion Collisions ◽  
Elliptic Flow ◽  
Heavy Ion ◽  
Ion Collisions ◽  
Dissipative Effects ◽  
Ultrarelativistic Heavy Ion Collisions
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