Relative Information Entropy of Particle Production in High-Energy Induced Nuclear Reactions

EMU01 Collaboration

Chinese Physics C> 1994, Vol. 18> Issue(Z1) : 61-68

Relative Information Entropy of Particle Production in High-Energy Induced Nuclear Reactions

EMU01 Collaboration

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A new characteristic variable, relative entropy R, is suggested to analyze the multiplicity distributions of particles produced in 14.6, 60 and 200A GeV ¹⁶O and 200A GeV ³²S induced nuclear reactions. It is found that R appears approximately energy independent in the present energy region. The saturation of the rapidity-window dependence of R shows that the dominant part of created entropy is concentrated in the central rapidity region. Experimental data are in agreement with the prediction based on the FRITIOF of Lund model.
- high-energy induced nuclear reaction ,
- particle production ,
- relative information entropy

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EMU01 Collaboration. Relative Information Entropy of Particle Production in High-Energy Induced Nuclear Reactions[J]. Chinese Physics C, 1994, 18(Z1): 61-68.

EMU01 Collaboration. Relative Information Entropy of Particle Production in High-Energy Induced Nuclear Reactions[J]. Chinese Physics C, 1994, 18(Z1): 61-68. shu

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Received: 1992-09-05

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Supported in Pan by the National Natural Science Foundation of China and the FEYUT-SEC of Cliiiia, NFR of Sweden and International Seminar in Uppsala, Minister of Research and Technology, the Third World Academic TWRG-227, Department of University Grants Commission of India, USDOE and NSF of the United States of America.

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Relative Information Entropy of Particle Production in High-Energy Induced Nuclear Reactions

Received Date: 1992-09-05

Fund Project: Supported in Pan by the National Natural Science Foundation of China and the FEYUT-SEC of Cliiiia, NFR of Sweden and International Seminar in Uppsala, Minister of Research and Technology, the Third World Academic TWRG-227, Department of University Grants Commission of India, USDOE and NSF of the United States of America.

Abstract: A new characteristic variable, relative entropy R, is suggested to analyze the multiplicity distributions of particles produced in 14.6, 60 and 200A GeV ¹⁶O and 200A GeV ³²S induced nuclear reactions. It is found that R appears approximately energy independent in the present energy region. The saturation of the rapidity-window dependence of R shows that the dominant part of created entropy is concentrated in the central rapidity region. Experimental data are in agreement with the prediction based on the FRITIOF of Lund model.

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