超新星遗迹与分子云作用的多波段研究

超新星遗迹与分子云的物理作用,与当前超新星遗迹领域一些热门问题如热混合型X射线形态、高温气体的过电离现象、遗迹伽玛射线的强子辐射等等密切相关,特别是它已成为检视超新星遗迹加速宇宙线的上佳探针.这篇综述介绍了上述问题的相关研究和最新进展,其中重点介绍了我们的有关工作,如遗迹与分子云作用判据的归纳、分子谱线观测分析、反弹激波机制的引入、对过电离现象的率先解释、强子伽玛射线辐射＂逃逸质子的累积性扩散模型＂的建立等.

Multi-wavelength studies on interaction of supernova remnants with molecular clouds

The interaction between supernova remnants （SNRs） and molecular clouds is closely related to some hot issues in the field of the study of supernova remnants, such as thermal X-ray composite （mixed） morphology, over-ionization in hot gas, hadronic gamma-ray emission from SNRs, etc. It is, especially, regarded as a good probe of the acceleration of cosmic ray particles by SNRs. This article reviews some researches and progresses relevant to these issues and, in particular, focuses on the work performed by our group, including cataloguing the interacting SNRs and observational criteria for the interaction, analyses of the molecular line observations, introduction of reflected shock wave as a mechanism for some thermal composite remnants, reproducing the overionized gas in SNRs for the first time, and developing the ＂accumulative diffusion model＂ of escaping ions for hadronic gamma-ray emission.