HIGH ENERGY PRIMARY ELECTRON SPECTRUM AND DIFFUSION X-RAY SOURCE

Xu CHUN-XLAN; ZHANG HE-QI

Chinese Physics C> 1981, Vol. 5> Issue(4) : 484-488

HIGH ENERGY PRIMARY ELECTRON SPECTRUM AND DIFFUSION X-RAY SOURCE

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Abstract：
Non-steady state electron spectrum in interstellar medium is investigated by using the model of isotropic diffusion of primary cosmic electrons originated from explosion of supernovae. The diffusion coefficient was determined semi-experientially according to particles resonant scattering on the turbulent by dromagnetic wave. Comparing the solution of the diffusion equation with the electron spectrum which was measured near the earth, we derived the index Γ of the electron spectrum to be Γ～2. Assuming that the electron inverse Compton scattering on 2.7°K background field forms diffusion X-ray sources, we deduce the energy-state function, and then obtain the X-ray spectrum near the earth. The index Γ～2 decided above can also explain the X-ray spectrum index of Nebuler.

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[1]

Dietrich Miiller et al., 16th Int. Gosmic Ray Conf., Vol. 12, p. 102[2] T. Taira. et al., 16th Int. Cosmic Ray Conf., Vol. 1, p. 478.[3] J. Nishimura et al., 16th Int. Cosmic Ray Coraf., Vol. 1, p. 488.[4] P. Meyer, "Origin of Coemie Raye", p. 233-266; D. Reided Publiehing Company, Dorect- Holland.[5] Gratton, Astrophys. and Space Sci., 16(1972), S1.[5] F. W. Btecker, "Origin of Cosmic Rays," p. 267-335; D. Reided Publishing Company.Dordrecht-Holland.[7] 张和棋,天文学报,(1981),[8] 张和棋,高能物理与核物理,5(1981),477,[9] J. L. Osborne, "Origin of Cosmic Rays,',p. 203-219.[10] G. F. Carpenter et al., Nature, Jan. 15, 1976, p. 99.[11] W. R. Webber et al., 16th Int. Cksmic Ray Conf., Vol. 1, p. 495.[12] Wentzel,Astrophys. J., 152(1968), 987[13] Kulerud and Pearce, Astrophys. J,156(1969), 446

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Xu CHUN-XLAN and ZHANG HE-QI. HIGH ENERGY PRIMARY ELECTRON SPECTRUM AND DIFFUSION X-RAY SOURCE[J]. Chinese Physics C, 1981, 5(4): 484-488.

Xu CHUN-XLAN and ZHANG HE-QI. HIGH ENERGY PRIMARY ELECTRON SPECTRUM AND DIFFUSION X-RAY SOURCE[J]. Chinese Physics C, 1981, 5(4): 484-488. shu

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Received: 1980-07-18
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

HIGH ENERGY PRIMARY ELECTRON SPECTRUM AND DIFFUSION X-RAY SOURCE

Xu CHUN-XLAN
ZHANG HE-QI

Received Date: 1980-07-18
Accepted Date: 1900-01-01
Available Online: 1981-08-05

Abstract: Non-steady state electron spectrum in interstellar medium is investigated by using the model of isotropic diffusion of primary cosmic electrons originated from explosion of supernovae. The diffusion coefficient was determined semi-experientially according to particles resonant scattering on the turbulent by dromagnetic wave. Comparing the solution of the diffusion equation with the electron spectrum which was measured near the earth, we derived the index Γ of the electron spectrum to be Γ～2. Assuming that the electron inverse Compton scattering on 2.7°K background field forms diffusion X-ray sources, we deduce the energy-state function, and then obtain the X-ray spectrum near the earth. The index Γ～2 decided above can also explain the X-ray spectrum index of Nebuler.

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