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)
![Ungated spectrum11.jpg](/./images/3/3a/Ungated_spectrum11.jpg)
![Ungated spectrum22.jpg](/./images/7/76/Ungated_spectrum22.jpg)
![Ungated spectrum33.jpg](/./images/9/9a/Ungated_spectrum33.jpg)