PARTICLE DENSITIES AT THE CENTER REGION IN HIGH ENERGY HEAVY-ION COLLISIONS

LU Shi-Qi; ZHAO Wei-Qin

Chinese Physics C> 1986, Vol. 10> Issue(1) : 57-62

PARTICLE DENSITIES AT THE CENTER REGION IN HIGH ENERGY HEAVY-ION COLLISIONS

LU Shi-Qi ^, ,
ZHAO Wei-Qin

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Abstract：
Based on the two-chain model by A.Capella et al. the rapidity distributions of the multiplicity in high energy heavy-ion collisions, especially in head-on collisions, are discussed. The energy density at the center region in head-on collisions is estimated for different incident energies and different heavy ions. It is shown that the condition of the phase transition to the quark-gluon plasma can be realized in heavy-ion collisions at several tens of GeV.

References

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G. Baym Quark Matter Formation and Heavy Ion Collisions (1982) eds. M. Jacob, H. Satz,17-37; L. Van Hove, ibid., pp349-376; M. Jacob, H, Satz, ibid., pp3-14.[2] K Kajantie, ibid., pp39-61.[3] A Bialas, ibid., pp139-165.[4] A Capella, J. Kwiecinshi, J. Tran Tbanh Van, Phys. Lett, 108B(1982), 347[5] W Q. Chao, H. J. Pirner, Z. Phys. 014(1982), 165.[6] I Otterlund et al., Z. Phys, 020(1983), 281.[7] M .G. Albrow, ibid.17 p329.[8] Physics Today,37 (1984) T. W. Ludlam Preprint BNLr35237 (1984) .[9] A. CaPeBa, U. Sukhetme, Chuna-I Tan, T. T ran Thahn Van, Phys. Lett, BCapella LPTHE, Orsay Preprint, 83/15.[10] A. Capella, C. Pajares, A. V. Ramallo Ref. TH 3700-CERN Preprint.[11] W. Q. Chao, C. B. Chiu, Z. X. He, D. M. Tow, Phys Rev Lett,44(1980)518.[12] W. Q. Chao, Commun in Theor Phys, 3(1984)155.[13] M Jacob Ref TH 3728-CERN Fig 5.[14] P. Carruthers, Mink Duong-Van, Phys. Rev., D8(1973), 859; A. Capella,Orsay 83/15.

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LU Shi-Qi and ZHAO Wei-Qin. PARTICLE DENSITIES AT THE CENTER REGION IN HIGH ENERGY HEAVY-ION COLLISIONS[J]. Chinese Physics C, 1986, 10(1): 57-62.

LU Shi-Qi and ZHAO Wei-Qin. PARTICLE DENSITIES AT THE CENTER REGION IN HIGH ENERGY HEAVY-ION COLLISIONS[J]. Chinese Physics C, 1986, 10(1): 57-62. shu

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Received: 1900-01-01
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

PARTICLE DENSITIES AT THE CENTER REGION IN HIGH ENERGY HEAVY-ION COLLISIONS

LU Shi-Qi ^,
ZHAO Wei-Qin

Corresponding author: LU Shi-Qi,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1986-02-05

Abstract: Based on the two-chain model by A.Capella et al. the rapidity distributions of the multiplicity in high energy heavy-ion collisions, especially in head-on collisions, are discussed. The energy density at the center region in head-on collisions is estimated for different incident energies and different heavy ions. It is shown that the condition of the phase transition to the quark-gluon plasma can be realized in heavy-ion collisions at several tens of GeV.