Chin. Phys. Lett.  2013, Vol. 30 Issue (3): 031201    DOI: 10.1088/0256-307X/30/3/031201
THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
The Statistical Origin of Constituent-Quark Scaling in QGP Hadronization
TANG Ze-Bo1**, YI Li2, RUAN Li-Juan3, SHAO Ming1, LI Cheng1, CHEN Hong-Fang1, Bedanga Mohanty4, XU Zhang-Bu1
1Department of Modern Physics, University of Science and Technology of China, Hefei 230026
2Department of Physics, Purdue University, West Lafayette, Indiana 47907, U.S.A.
3Physics Department, Brookhaven National Laboratory, Upton, New York 11973, U.S.A.
4School of Physical Sciences, National Institute of Science Education and Research, Bhubaneswar 751005, India
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TANG Ze-Bo, YI Li, RUAN Li-Juan et al  2013 Chin. Phys. Lett. 30 031201
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Abstract Nonextensive statistics in a blast-wave model is implemented to describe the identified hadron production in relativistic p+p and nucleus-nucleus collisions. Incorporating the core and corona components within the TBW formalism allows us to describe simultaneously some of the major observations in hadronic observables at the Relativistic Heavy-Ion Collider (RHIC): the amount of constituent quark scaling (NCQ), the large radial and elliptic flow, the effect of gluon saturation, and the suppression of hadron production at high transverse momentum (pT) due to jet quenching. In this formalism, the NCQ scaling at the RHIC appears as a consequence of a non-equilibrium process. Our study also provides concise reference distributions with a least χ2 fit of the available experimental data for future experiments and models.
Received: 03 December 2012      Published: 29 March 2013
PACS:  12.38.Mh (Quark-gluon plasma)  
  12.40.Ee (Statistical models)  
  25.75.Dw (Particle and resonance production)  
  25.75.Ld (Collective flow)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/30/3/031201       OR      https://cpl.iphy.ac.cn/Y2013/V30/I3/031201
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TANG Ze-Bo
YI Li
RUAN Li-Juan
SHAO Ming
LI Cheng
CHEN Hong-Fang
Bedanga Mohanty
XU Zhang-Bu
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