Study of electron emission in the reaction of highly charged ions with solid surface

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It is well known that a highly charged ion, that is an atom deprived of many electrons, causes emission of many electrons in the reaction(collision) with solid surfaces. The number of emitted electrons exceeds well beyond the charge number of highly charged ions. In some cases, the electrons are spin-polarized, which means that the spin(associated as the direction of the axis of spinning top) is aligned in a certain direction. To investigate this phenomenon, we have already built a spin polarimeter. In this study we designed and constructed a separate polarized electron beam source for the purpose of calibrating the polarimeter.