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Phys. Rev. C 68, 014907 (2003) [8 pages]

Removing distortions from charge balance functions

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Scott Pratt * and Sen Cheng †
Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA

Received 11 March 2003; published 30 July 2003

Charge balance functions provide insight into critical issues concerning hadronization and transport in heavy-ion collisions by statistically isolating charge/anticharge pairs that are correlated by charge conservation. However, distortions from residual interactions and unbalanced charges cloud the observable. Within the context of simple models, the significance of these effects is studied by constructing balance functions in both relative rapidity and invariant relative momentum. Methods are presented for eliminating or accounting for these distortions.


©2003 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.68.014907
DOI: 10.1103/PhysRevC.68.014907
PACS: 25.75.Nq, 12.38.Mh, 25.75.Gz

* Electronic address: pratt@nscl.msu.edu
† Present address: Sloan-Swartz Center, University of California at San Francisco, 513 Parnassus Ave., Box 0444, San Francisco, CA 94143-0444.

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