| NUCLEAR PHYSICS |
|
|
|
|
Interferometry Signatures for QCD First-Order Phase Transition in High Energy Heavy Ion Collisions |
| YU Li-Li1, M. J. Efaaf2, ZHANG Wei-Ning1,2,3 |
| 1Department of Physics, Harbin Institute of Technology, Harbin 1500062School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 1160243Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000 |
|
| Cite this article: |
|
YU Li-Li, M. J. Efaaf, ZHANG Wei-Ning 2010 Chin. Phys. Lett. 27 022501 |
|
|
|
|
Abstract Using the technique of quantum transport of the interfering pair we examine the Hanbury-Brown-Twiss (HBT) interferometry signatures for the particle-emitting sources of pions and kaons produced in heavy ion collisions at 10-30 AGeV. The evolution of the sources is described by relativistic hydrodynamics with the first-order phase transition from quark-gluon plasma (QGP) to hadronic matter. We use quantum probability amplitudes in a path-integral formalism to calculate the two-particle correlation functions, where the effects of particle decay and multiple scattering are taken into consideration. Our model-calculated results indicate that both the HBT radii of pions and kaons increase with the system initial energy density. The HBT lifetimes of the pion and kaon sources increase significantly when the initial energy density is tuned to the phase boundary between the QGP and mixed phase. This increase of HBT lifetimes will likely appear in heavy ion collisions with an incident energy between 10-30 AGeV.
|
| Keywords:
25.75.-q
25.75.Gz
25.75.Nq
|
|
|
Received: 11 February 2009
Published: 08 February 2010
|
|
| PACS: |
25.75.-q
|
(Relativistic heavy-ion collisions (collisions induced by light ions studied to calibrate relativistic heavy-ion collisions should be classified under both 25.75.-q and sections 13 or 25 appropriate to the light ions))
|
| |
25.75.Gz
|
(Particle correlations and fluctuations)
|
| |
25.75.Nq
|
(Quark deconfinement, quark-gluon plasma production, and phase transitions)
|
|
|
|
|
|
[1] Mitrovski M K 2006 J. Phys. G 32 S43
[2] Stephans G S F 2008 J. Phys. G 35 044050
[3] L Kumar 2008 arXiv:0812.4099[nucl-ex]
[4] Meng C R 2009 Chin. Phys. Lett. 26 102501
[5] Friese V 2006 J. Phys. G 32 S439
[6] Arsene I C et al 2007 Phys. Rev. C 75 034902
[7] Henning W F 2008 Nucl. Phys. A 805 502c
[8] Wong C Y 1994 Introduction to High-Energy Heavy-Ion Collisions (Singapore: World Scientific) chap 17
[9] Wiedemann U A and Heinz U 1999 Phys. Rep. 319 145
[10] Pratt S 1986 Phys. Rev. D 33 1314
[11] Bertsch G and Brown G E 1989 Phys. Rev. C 40 1830
[12] Hung C M and Shuryak E 1995 Phy. Rev. Lett. 75 4003
[13] Rischke D and Gyulassy M 1996 Nucl. Phys. A 608 479
[14] Soff S et al 2002 Phys. Rev. Lett. 88 072301
[15] Yu L L et al 2008 Phys. Rev. C 78 014908
[16] Rischke D 1998 nucl-th/9809044
[17] Kolb P F and Heinz U 2003 nucl-th/0305084
[18] Toneev V D et al 2003 Eur. Phys. J. C 32 399
[19] Rischke D H et al 1991 Z. Phys. C 51 485
[20] Hung C M and Shuryak E 1998 Phys. Rev. C 57 1891
[21] Ivanov Y B et al 2006 Phys.Rev. C 73 044904
[22] Subramanian P R et al 1986 Phys. Lett. B 173 468
[23] Zhang W N et al 2004 Chin. Phys. Lett. 21 1918
[24] Zhang W N et al 2004 Phys. Rev. C 70 024903
[25] Cleymans J and Redlich K 1999 Phys. Rev. C 60 054908
[26] Wong C Y 2003 J. Phys. G 29 2151
[27] Wong C Y 2004 J. Phys. G 30 S1053
[28] Pratt S et al 1992 Phys. Rev. Lett. 68 1109
[29] Pratt S 1986 Phys. Rev. D 33 72
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
