{lambda}{sub c} Enhancement from Strongly Coupled Quark-Gluon Plasma

Journal Article · Fri Jun 06 00:00:00 EDT 2008 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.100.222301· OSTI ID:21134012

Lee, Su Houng; Ohnishi, Kazuaki ^[1]; Yasui, Shigehiro ^[1]; Yoo, In-Kwon ^[2]; Ko, Che Ming ^[3]

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1. Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749 (Korea, Republic of)
2. Pusan National University, Pusan 609-735 (Korea, Republic of)
3. Cyclotron Institute and Physics Department, Texas A and M University, College Station, Texas 77843 (United States)

We propose the enhancement of {lambda}{sub c} 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 {lambda}{sub c} production in comparison with the normal three-body collision among independent c, u, and d quarks. In the coalescence model, we find that the {lambda}{sub c}/D yield ratio is enhanced substantially due to the diquark correlation.

• OSTI ID: 21134012
• Journal Information: Physical Review Letters, Vol. 100, Issue 22; Other Information: DOI: 10.1103/PhysRevLett.100.222301; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BNL
BROOKHAVEN RHIC
C QUARKS
CERN LHC
COALESCENCE
COMPARATIVE EVALUATIONS
CRITICAL TEMPERATURE
D QUARKS
HEAVY ION REACTIONS
QUARK MATTER
THREE-BODY PROBLEM
TWO-BODY PROBLEM
U QUARKS