Chinese Physics C > 1978, Vol. 2 > Issue(4): 318-322

A STUDY OF ULTRA-HIGH ENERGYγ-RAYS BY EMULSION CHAMBERS

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Abstract：
Ultra-high energy γ-rays have been observed by emulsion chambers exposed at Yunnan Station （3200m, 700g/cm ²atmospheric depth）. The integral spectrum, the vertical intensity and the attenuation length in air of the gamma rays in the energy region 2 TeV to 30 TeV are presented. The results of gamma ray families with total observed energies ranging from 5 TeV to 70 TeV are discussed.

References

[1]	天津感光胶片厂，III型工业X光片使用说明.[2] 乳胶室组，物理学报，25(1976), 342.[3] I. Ohta, Suppl. Prog. Theor. Phys., 47(1971), 271.[4] 鸟居祥二，宇宙線研究，18 (1974), 404.[5] A. Y. Apanasenko et al., 15th International Cosmic ray Conference, Bulgaria, 7(1977), 220.

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KEN JING-RU, LU SWEI-LING, SU SHIH and PAN JI-RUNG. A STUDY OF ULTRA-HIGH ENERGY γ-RAYS BY EMULSION CHAMBERS[J]. Chinese Physics C, 1978, 2(4): 318-322.

KEN JING-RU, LU SWEI-LING, SU SHIH and PAN JI-RUNG. A STUDY OF ULTRA-HIGH ENERGY γ-RAYS BY EMULSION CHAMBERS[J]. Chinese Physics C, 1978, 2(4): 318-322. shu

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Received: 1977-11-30
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

A STUDY OF ULTRA-HIGH ENERGYγ-RAYS BY EMULSION CHAMBERS

Received Date:1977-11-30
Accepted Date:1900-01-01
Available Online:1978-08-05

Abstract:Ultra-high energyγ-rays have been observed by emulsion chambers exposed at Yunnan Station （3200m, 700g/cm²atmospheric depth）. The integral spectrum, the vertical intensity and the attenuation length in air of the gamma rays in the energy region 2 TeV to 30 TeV are presented. The results of gamma ray families with total observed energies ranging from 5 TeV to 70 TeV are discussed.