THEORETICAL ANALYSIS OF SOME PHENOMENA IN CHANNELLING SPONTANEOUS RADIATION

HU Guo-Ju; HE Guo-Zhu

Chinese Physics C> 1984, Vol. 8> Issue(4) : 470-478

THEORETICAL ANALYSIS OF SOME PHENOMENA IN CHANNELLING SPONTANEOUS RADIATION

HU Guo-Ju ^, ,
HE Guo-Zhu

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Abstract：
The wave equations for the channelling relativistic electron and positron are solved by W.K.B. method. Taking Moli´ere potential, the planar channelling radiation spectra of electrons are calculated. The calculations agree well with the experimental results. A multiplicity of the radiation spectrum for the relativistic positron is predicted and an explanation is given for the single peak observation. More accurate wave functions for the channelling particles have been derived by perturbation theory. Channelling radiation selection rules are obtained and the relative intensities of electron radiations from different energy level transitions are evaluated. The quantum effects of radiation spectrum shift for ultrarelativistic channelling positron and electron are also discussed.

References

[1]

M. J. Alguard, R. L. Swent, P. H. Pantell, B. L.Berman, S. D. Bloom, S. Datz, Phys. Rev.Lett., 42 (1979), 1148.[2] K. L. Swent, R. H. Pantell, M. J. Alguard, R. L. Berman, S. D. Bloom, S. Datz, Phys. Rev.Lett., 43 (1979), 1723.[3] J. U. Andersen, E. Lae gsgaard, Phys. Rec. Lett., 44 (1980), 1079.[4] N. Cue, E. Bonderup, B. B. Marsh, H. Bakhru, R. E. Benenson, R. Haight, K. Inglis, G. 0.Williams, Phys. Lett., A80 (1980), 26.[5] R. Wedell, Phys. Stat. Sol(b), 99 (1980), 12.[6] R. H. Pantell, R. L. Swent, Appl. Phys. Lett., 35 (1979), 910.[7] K. Komaki, F. Fujirnoto, Phys. Lett., A82 (1981), 51.[8] E. Küht, R. Wedell, Phys. Stat. Sol(b), 107 (1981), 665.[9] E. Küht, F. Tubner, Phys. Stat. Sol(a), 61 (1980), 513.[10] B. L. Beman, S. D. Bloom, S. Datz, M. J. Alguard, R. L. Swent, R. H. Pantell, Phys. Lett.,AS2 (1981), 460.[11] R. H. Pantell, M. J. Alguard, 1. Appl. Phys., 52 (1979), 798.[12] R. H. Pantell, R. L. Swent, S. Datz, M. J. Alguatd, D. L. Berman, S. D. Bloom, IEEE Transactions On Nuclear Science, 28 (1981), 1152.[13] А. О. Аганьяни. Ю. А. Вартанов., Г. А. Варталетян. М. А. Кутаxов, X. Трикалинос, В. Я. Яролов, Журнал. Зкслер. u Теор. Фuз. 29(1979), 544.

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HU Guo-Ju and HE Guo-Zhu. THEORETICAL ANALYSIS OF SOME PHENOMENA IN CHANNELLING SPONTANEOUS RADIATION[J]. Chinese Physics C, 1984, 8(4): 470-478.

HU Guo-Ju and HE Guo-Zhu. THEORETICAL ANALYSIS OF SOME PHENOMENA IN CHANNELLING SPONTANEOUS RADIATION[J]. Chinese Physics C, 1984, 8(4): 470-478. 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

THEORETICAL ANALYSIS OF SOME PHENOMENA IN CHANNELLING SPONTANEOUS RADIATION

HU Guo-Ju ^,
HE Guo-Zhu

Corresponding author: HU Guo-Ju,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1984-06-05

Abstract: The wave equations for the channelling relativistic electron and positron are solved by W.K.B. method. Taking Moli´ere potential, the planar channelling radiation spectra of electrons are calculated. The calculations agree well with the experimental results. A multiplicity of the radiation spectrum for the relativistic positron is predicted and an explanation is given for the single peak observation. More accurate wave functions for the channelling particles have been derived by perturbation theory. Channelling radiation selection rules are obtained and the relative intensities of electron radiations from different energy level transitions are evaluated. The quantum effects of radiation spectrum shift for ultrarelativistic channelling positron and electron are also discussed.