Fluctuating initial conditions and fluctuations in elliptic and triangular flow

In heavy ion collisions, event-by-event fluctuations in participating nucleon positions can lead to triangular flow. With fluctuating initial conditions, flow coefficients will also fluctuate. In a hydrodynamic model, we study the fluctuations in elliptic and triangular flow, due to fluctuating init...

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Bibliographic Details
Published in:Physics letters. B 2012-04, Vol.710 (2), p.339-342
Main Author: Chaudhuri, A.K.
Format: Article
Language:English
Subjects:
Collisions
Computational fluid dynamics
Elementary particles
Exact sciences and technology
Fluctuation
Fluid flow
Initial conditions
Nuclear physics
Nucleons
Physics
The physics of elementary particles and fields
Viscosity
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Summary:In heavy ion collisions, event-by-event fluctuations in participating nucleon positions can lead to triangular flow. With fluctuating initial conditions, flow coefficients will also fluctuate. In a hydrodynamic model, we study the fluctuations in elliptic and triangular flow, due to fluctuating initial conditions. Both elliptic and triangular flow fluctuates strongly, triangular flow more strongly than the elliptic flow. Strong fluctuations greatly reduce the sensitivity of elliptic and triangular flow to viscosity.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2012.02.067