INTERPRETATION OF AZIMUTHAL ANISOTROPICAL GAMMA-FAMILY EVENTS

HE Yu-Dong; ZHU Qing-Qi; HUO An-Xiang

Chinese Physics C> 1989, Vol. 13> Issue(5) : 476-480

INTERPRETATION OF AZIMUTHAL ANISOTROPICAL GAMMA-FAMILY EVENTS

Institute of High Energy Physics,Academia Sinica

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Abstract：
The azimuthal anisotropy of gamma-family events obtained by mountain emulsion chambers is studied.Adopted D-ND and SD-SH models.gamma-family phenomena are simulated and the simulation reproduces anisotro pical events with adequate frequency.The study indicates that the few-particle diffractive production in fragmentation region mainly accounts for the azimuthal anisotropical events.QCD-jet production is shown not to be the main reason of these evets.

References

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Parnir Collaboration, Proceedings of lnternarional Symposium on Superhigh Energy Cosmic Ray lnteraction,(lSSECKI), Beijing, (1986), 4-29.[2] Azimov S. A. et al., Proceedings of 18th ICRC, 5(1983), 458.[3] Dunaevsky A. M. et al., Proceedings of 18th ICRC, 5(1983), 449.[4] Ding Linkai et al., Proceedings of ISSECRI, Beijing, (1986), 3-49.Zhu Qingqi et al., Chinese Phys. Lett., 3(1936), 289.[5] LA4 Collaboration, CERN-EP/85-154.J. G. Rushbrooke, CERN-EPIS5-178.[6] T. T. Chou and C. N. Yang, Phys. Rev., D32(1985), 1692.[7] Pamic Collaboration, Proceedings of 14th ICRC, Munich, (1975), 2370.[8] 经才骝等，高能物理与核物理，10(1986)636.[9] He Yudong et al., Proceedings of ISSECRI, Beijing, (1986). 3-58.[10] S. G. Bayburina et al., Nucl. Phys., B191(1981), 1.

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HE Yu-Dong, ZHU Qing-Qi and HUO An-Xiang. INTERPRETATION OF AZIMUTHAL ANISOTROPICAL GAMMA-FAMILY EVENTS[J]. Chinese Physics C, 1989, 13(5): 476-480.

HE Yu-Dong, ZHU Qing-Qi and HUO An-Xiang. INTERPRETATION OF AZIMUTHAL ANISOTROPICAL GAMMA-FAMILY EVENTS[J]. Chinese Physics C, 1989, 13(5): 476-480. 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

INTERPRETATION OF AZIMUTHAL ANISOTROPICAL GAMMA-FAMILY EVENTS

Corresponding author: HE Yu-Dong,

Institute of High Energy Physics,Academia Sinica

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-05-05

Abstract: The azimuthal anisotropy of gamma-family events obtained by mountain emulsion chambers is studied.Adopted D-ND and SD-SH models.gamma-family phenomena are simulated and the simulation reproduces anisotro pical events with adequate frequency.The study indicates that the few-particle diffractive production in fragmentation region mainly accounts for the azimuthal anisotropical events.QCD-jet production is shown not to be the main reason of these evets.