抄録
As one of the reserches on atomic collision problems, the measurements of the ion-electron recom bination cross section are intended. The techniques used are improved crossed-beam method and mass spectrometric one. The construction of the apparatus has been finished. And some preliminary experiments were performed for testing the availability of the apparatus and the efficiency of the neutralized ion detector. In this paper, the characteristics of the apparatus, the experimental difficulties and some results so far obtained are described.
