RQMD predition of directed flow at CSR energy

ZHANG Jing-Bo; WANG Zhi-Hui; TANG Gui-Xin; WANG Guo-Li; HUO Lei

Chinese Physics C> 2008, Vol. 32> Issue(S2) : 29-31

RQMD predition of directed flow at CSR energy

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Abstract：
The predictions of the directed collective flow by using the relativistic quantum molecular dynamics model are presented for the heavy-ion reactions at HIRFL-CSR energies. The directive flow value as a function of the emitting nucloen rapidity in the center-of-mass system is calculated with the azimuthal
event plane method and two-particle angle correlation method, respectively.
Comparing the rapidity dependence of directed flow in different freeze-out
time windows, the evolution and development of the directed flow is investigated. We find that one can reliably obtain the earlier information of the emitting source at this energy by time analysis of the directed collective flow.
Such an analysis is useful to the designing of the hadron detector at CSR.

References

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. Doss K G R et al. Phys. Rev. C, 1985, 32: 1162. LUO X F et al. Phys. Rev. C, 2007, 76: 0449023. Begemann-Blaich M, Muller W F J. Phys. Rev. C, 1993,48: 6104. Peliert G et al. Phys. Rev. C, 1992, 46: 14575. XIA J W et al. Nucl. Phys. Rev., 2001, 18: 356. Sorge H. Phys. Rev. C, 1995, 52: 32917. Volishin S, ZHANG Y. Z. Phys. C, 1996, 70: 6658. Danielewicz P, Odyniec G. Phys. Lett. B, 1985, 157: 1469. WANG S, JIANG Y Z et al. Phys. Rev. C, 1991, 44: 1091

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ZHANG Jing-Bo, WANG Zhi-Hui, TANG Gui-Xin, WANG Guo-Li and HUO Lei. RQMD predition of directed flow at CSR energy[J]. Chinese Physics C, 2008, 32(S2): 29-31.

ZHANG Jing-Bo, WANG Zhi-Hui, TANG Gui-Xin, WANG Guo-Li and HUO Lei. RQMD predition of directed flow at CSR energy[J]. Chinese Physics C, 2008, 32(S2): 29-31. shu

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Received: 2008-07-16
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

RQMD predition of directed flow at CSR energy

Corresponding author: ZHANG Jing-Bo,

Received Date: 2008-07-16
Accepted Date: 1900-01-01
Available Online: 2008-01-03

Abstract: The predictions of the directed collective flow by using the relativistic quantum molecular dynamics model are presented for the heavy-ion reactions at HIRFL-CSR energies. The directive flow value as a function of the emitting nucloen rapidity in the center-of-mass system is calculated with the azimuthal
event plane method and two-particle angle correlation method, respectively.
Comparing the rapidity dependence of directed flow in different freeze-out
time windows, the evolution and development of the directed flow is investigated. We find that one can reliably obtain the earlier information of the emitting source at this energy by time analysis of the directed collective flow.
Such an analysis is useful to the designing of the hadron detector at CSR.