Cyg X-3X光子场对γ射线的吸收效应

Absorption of Gamma Rays by X-Ray Photons around the Cygnus X-3

本文详细讨论了Ｘ射线双星ＣｙｇＸ－３的Ｘ光子场对γ射线的吸收效应，计算结果表明：当ＣｙｇＸ－３的Ｘ光子发射场处于高态时，从致密中子星附近发射的能量为１０＾２－１０＾４ＭｅＶ的γ射线约有６０％被其吸收，吸收过程产生的正负电子的逆Ｃｏｍｐｔｏｎ散射会使出射能量１０－７０ＭｅＶ的 γ射线强度平均增加约５０％，计算的γ射线能谱与实验观测结果基本相符。

We have investigated the energy spectrum ot the absorpted γ rays passing through the X-ray photons around the Cyguns X-3. The calculated results show that about 60% of γ rays at 100-10000 MeV emitted around the compact star is absorpted through the γ-X pair production in the X-ray high state, and the inverse Compton scattering of the secondary electrons and positrons can make more than 50% increasing of γ ray intensity at 10-70 Mev. The calculation is consistent with the experimental data.