Flow analysis from multiparticle azimuthal correlations
May, 2001
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Abstract:
We present a new method for analyzing directed and elliptic flow in heavy ion collisions. Unlike standard methods, it separates the contribution of flow to azimuthal correlations from contributions due to other effects. The separation relies on a cumulant expansion of multiparticle azimuthal correlations, and includes corrections for detector inefficiencies. This new method allows the measurement of the flow of identified particles in narrow phase-space regions, and can be used in every regime, from intermediate to ultrarelativistic energies.- scattering: heavy ion
- multiple production: particle flow
- angular correlation
- cumulant expansion
- correlation function: two-point function
- statistical analysis: error
- numerical calculations
- bibliography
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