“…Half-Life ( Reeder et al, 2004;Reeder and Bowyer, 1998), and radioxenon background studies (Kalinowski et al, 2010;Saey et al, 2010;Bowyer et al, 1997). On March 12, the Comprehensive Nuclear-Test-Ban Treaty Organization reported (CTBTO, 2011) to the press, that fission products, including 133 Xe, had been detected at an International Monitoring System (IMS) station in Takasaki, Japan.…”