Baryon junction loops in HIJING / B anti-B v2.0 and the baryon /meson anomaly at RHIC

Topor Pop, V.; Gyulassy, M.; Barrette, J.; Gale, Charles; Wang, X.N.; Xu, N.

doi:10.1103/PhysRevC.70.064906

Baryon junction loops in HIJING / B anti-B v2.0 and the baryon /meson anomaly at RHIC

Jul, 2004

27 pages

Published in:

Phys.Rev.C 70 (2004) 064906

e-Print:

nucl-th/0407095 [nucl-th]

DOI:

10.1103/PhysRevC.70.064906

Report number:

MG2004-PHY-11

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Abstract:

A new version, v2.0, of the HIJING/B\=B 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\approx 1

GeV/c transverse momentum kick may provide a partial explanation of the anomaly as well as other important baryon stopping observables.

25.75.Dw
25.75.Ld
scattering: heavy ion
gold
baryon: hadroproduction
meson: hadroproduction
yield: ratio
transverse momentum: spectrum
mass: transverse
rapidity spectrum

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