English

A method for determining event-by-event elliptic flow fluctuations based on the first-order event plane in heavy-ion collisions

Nuclear Experiment 2008-11-26 v3

Abstract

A new method is presented for determining event-by-event fluctuations of elliptic flow, v2v_2, using first-order event planes. By studying the event-by-event distributions of v2v_2 observables and first-order event-plane observables, average flow \avgv2\avg{v_2} and event-by-event flow fluctuations can be separately determined, making appropriate allowance for the effects of finite multiplicity and non-flow. The method has been tested with Monte Carlo simulations. The connection between flow fluctuations and fluctuations of the initial-state participant eccentricity is discussed.

Keywords

Cite

@article{arxiv.nucl-ex/0611001,
  title  = {A method for determining event-by-event elliptic flow fluctuations based on the first-order event plane in heavy-ion collisions},
  author = {Gang Wang and Declan Keane and Aihong Tang and Sergei A. Voloshin},
  journal= {arXiv preprint arXiv:nucl-ex/0611001},
  year   = {2008}
}

Comments

5 pages, 2 figures. Submitted to Phys. Rev. C. The discussions about the assumptions in this paper have been added, as required by the referee