June 19,2007 Cf-252 measurements of gamma-spectrum using HpGe ungated

Data runs:

1. Polyethylene boron layer of thickness 15 cm was used as a neutron attenuator and for cosmic rays lead of thickness 5 cm in front of HpGe detector. Total time of the run was ~5 h 30 m. Total number of counts: 200,288. The source was Cf-252 (activity 60μCi)