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η-Scaling of dNch/dηat sqrtsNN = 200 GeV by the PHOBOS Collaboration and the Ornstein-Uhlenbeck stochastic process

Minoru Biyajima, Takuya Mizoguchi

nucl-tharXiv:nucl-th/0209004

Abstract

Using the latest data concerning dN ch/dη at sNN = 200 GeV, we have analyzed them by means of stochastic theory named the Ornstein-Uhlenbeck process with two sources. Moreover, we display that zr = η/< η2> = η/ηrms scaling with centrality cuts are described by two Gaussian distributions.

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