Phys. Rev. C 70, 064906 (2004) [11 pages]

Baryon junction loops and the baryon-meson anomaly at high energies

Abstract

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V. Topor Pop¹, M. Gyulassy², J. Barrette¹, C. Gale¹, X. N. Wang³, and N. Xu³
¹McGill, University, Montreal, Canada, H3A 2T8
²Physics Department, Columbia University, New York, New York 10027, USA
³Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

Received 27 July 2004; published 21 December 2004

A new version, v2.0, of the HIJING∕BB̅ Monte Carlo nuclear collision event generator is introduced in order to explore further the possible role of baryon junctions loops in the baryon-meson anomaly (2<p_T<5 GeV∕c) observed in 200A GeV Au+Au reactions at RHIC. We show that junction loops with an enhanced intrinsic k_T≈1 GeV∕c transverse momentum kick may provide a partial explanation of the anomaly as well as other important baryon stopping observables.

URL:

http://link.aps.org/doi/10.1103/PhysRevC.70.064906

DOI:

10.1103/PhysRevC.70.064906

PACS:

25.75.Dw, 25.75.Ld

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Phys. Rev. C 70, 064906 (2004) [11 pages]

Baryon junction loops and the baryon-meson anomaly at high energies