On the flux of neutrons from flares |
| |
| Authors: | Z ?vestka |
| |
| Institution: | (1) Space Science Department, ESTEC, Noordwijk, The Netherlands |
| |
| Abstract: | Under the assumption that white-light flares are caused by energetic particles penetrating into the photosphere ( vestka, 1970a; Najita and Orrall, 1970) the known number of protons needed for the white-light emission is used to obtain an estimate of the production of neutrons occurring at the same time. In the case of the white-light flare of 23 May, 1967, the peak flux of neutrons at the Earth distance had to exceed 3 neutrons/cm2s, thus being detectable in space. This maximum neutron flux reached the Earth as early as the time of the maximum phase of the flare in the H light. However, reasonable estimates show that flares associated with a detectable neutron flux should be fairly rare phenomena, maybe as rare as the white-light flares.On leave from the Astronomical Institute of the Czechoslovak Academy of Sciences, Ond ejov. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
