TY - JOUR
T1 - Λc Enhancement from strongly coupled quark-gluon plasma
AU - Lee, Su Houng
AU - Ohnishi, Kazuaki
AU - Yasui, Shigehiro
AU - Yoo, In Kwon
AU - Ko, Che Ming
PY - 2008/6/6
Y1 - 2008/6/6
N2 - We propose the enhancement of Λc as a novel quark-gluon plasma signal in heavy ion collisions at the BNL Relativistic Heavy Ion Collider and the CERN Large Hadron Collider. Assuming a stable bound diquark state in the strongly coupled quark-gluon plasma near the critical temperature, we argue that the direct two-body collision between a c quark and a [ud] diquark would lead to an enhanced Λc production in comparison with the normal three-body collision among independent c, u, and d quarks. In the coalescence model, we find that the Λc/D yield ratio is enhanced substantially due to the diquark correlation.
AB - We propose the enhancement of Λc as a novel quark-gluon plasma signal in heavy ion collisions at the BNL Relativistic Heavy Ion Collider and the CERN Large Hadron Collider. Assuming a stable bound diquark state in the strongly coupled quark-gluon plasma near the critical temperature, we argue that the direct two-body collision between a c quark and a [ud] diquark would lead to an enhanced Λc production in comparison with the normal three-body collision among independent c, u, and d quarks. In the coalescence model, we find that the Λc/D yield ratio is enhanced substantially due to the diquark correlation.
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U2 - 10.1103/PhysRevLett.100.222301
DO - 10.1103/PhysRevLett.100.222301
M3 - Article
AN - SCOPUS:44949118448
SN - 0031-9007
VL - 100
JO - Physical review letters
JF - Physical review letters
IS - 22
M1 - 222301
ER -