Present status of the slow positron facility at KEK

Kurihara T; Nagashima Y; Shidara T; Nakajima H; Ohsawa S; Ikeda M; Oogoe T; Kakihara K; Ogawa Y; Shirakawa A; Furukawa K; Sanami T; Enomoto A

Materials Science Forum, Vol.445-6, 486-488, 2004

Kurihara T, Nagashima Y, Shidara T, Nakajima H, Ohsawa S, Ikeda M, Oogoe T, Kakihara K, Ogawa Y, Shirakawa A, Furukawa K, Sanami T, Enomoto A

A new slow positron beamline based on a dedicated 50 MeV linac is described. About 2 x 10(5) e+/Pulse are obtained on a specimen. The pulsed beam is used for positronium time-of-flight spectroscopy.

Keywords:linac;positronium;slow positron beam;TOF