RING-LIKE EVENT OBSERVED IN SUPERHIGH ENERGY INTERACTION AND PHASE TRANSITION

JING Gui-Ru; DING Lin-Kai; ZHU Qing-Qi; JING Cai-Liu

Chinese Physics C> 1987, Vol. 11> Issue(5) : 603-608

RING-LIKE EVENT OBSERVED IN SUPERHIGH ENERGY INTERACTION AND PHASE TRANSITION

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Abstract：
The kinematical analysis of the ring-like event observed in mountain emulsion chamber shows that this kind of events might relate to the multi-particle production within a narrow rapidity interval of the fragmentation region in the superhigh energy interactions, therefore possibly relate to the phase transition in the nucleus-nucleus interaction. The air cascade showers induced by superhigh energy nucleus-nucleus interactions are simulated by a transition model. Under the condition of the emulsion chamber experiment, the ring-like event is obtained.

References

[1]

I. M. Dremin et at., 17th ICRC Vol. 5(1981), 149.[2] I. M. Dremin et al., 19th ICRC Vol. 6(1985), 145.[3] J. G. Rushbrook CERN-EP/85-178 November lst,1985. [4] I.M. Dremin, JETP Lett., 30(1979),N o1v5e2m. ber lst, 1985.[5] I. M. Dremin, JETP Lett., 34(1981), 617.[6] L. Mclerran, Phys. Reports, 88(1982), 379, J. D. Bjorken, Phys. Rev, D27 (1983), 40.[7] 孟大中, 高能多重产生理论工作讨论会的报告, 北京大学, 1984年12月.[8] Huo Anxiang, BIHEP-CR-86-02.[9] Ding Linkai et al., Kcrue Tongbao, 18(1986), 1374.[10] R. Anishetty, P. Koehler and L. Mclerran, Phys. Rev., D22, (1980). 2793.[11] He Yudong et al., Journal of Yunnan Unoaersity, 8(1986), 165.

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JING Gui-Ru, DING Lin-Kai, ZHU Qing-Qi and JING Cai-Liu. RING-LIKE EVENT OBSERVED IN SUPERHIGH ENERGY INTERACTION AND PHASE TRANSITION[J]. Chinese Physics C, 1987, 11(5): 603-608.

JING Gui-Ru, DING Lin-Kai, ZHU Qing-Qi and JING Cai-Liu. RING-LIKE EVENT OBSERVED IN SUPERHIGH ENERGY INTERACTION AND PHASE TRANSITION[J]. Chinese Physics C, 1987, 11(5): 603-608. 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

RING-LIKE EVENT OBSERVED IN SUPERHIGH ENERGY INTERACTION AND PHASE TRANSITION

Corresponding author: JING Gui-Ru,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1987-10-05

Abstract: The kinematical analysis of the ring-like event observed in mountain emulsion chamber shows that this kind of events might relate to the multi-particle production within a narrow rapidity interval of the fragmentation region in the superhigh energy interactions, therefore possibly relate to the phase transition in the nucleus-nucleus interaction. The air cascade showers induced by superhigh energy nucleus-nucleus interactions are simulated by a transition model. Under the condition of the emulsion chamber experiment, the ring-like event is obtained.