Directed Flow of Light Nuclei in Au+Au Collisions at AGS Energies

E877 Collaboration: J. Barrette , R. Bellwied , S. Bennett , R. Bersch , P. Braun-Munzinger , W.C. Chang , W.E. Cleland , M. Clemen

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J. Cole T.M. Cormier Y. Dai G. David J. Dee O. Dietzsch M. Drigert K. Filimonov S.C. Johnson J.R. Hall T.K. Hemmick N. Herrmann B. Hong Y. Kwon R. Lacasse Q. Li T.W. Ludlam S.K. Mark R. Matheus S. McCorkle J.T. Murgatroyd D. Mi\'skowiec E. O'Brien S. Panitkin P. Paul T. Piazza M. Pollack C. Pruneau M. N. Rao E. Reber M. Rosati N.C. daSilva S. Sedykh U. Sonnadara J. Stachel E.M. Takagui S. Voloshin T.B. Vongpaseuth G. Wang J. P. Wessels C.L. Woody N. Xu Y. Zhang C. Zou

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classification ⚛️ nucl-ex

keywords flowdirectedcollisionsmassmomentumanalyzedbeamcentralities

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Directed flow of deuterons, tritons, $^3$He, and $^4$He is studied in Au+Au collisions at a beam momentum of about 10.8 $A$ GeV/c. Flow of all particles is analyzed as a function of transverse momentum for different centralities of the collision. The directed flow signal, $v_1(p_t)$, is found to increase with particle mass. This mass dependence is strongest in the projectile rapidity region.

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Directed Flow of Light Nuclei in Au+Au Collisions at AGS Energies

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