Gamma Spectrometry Forum

Hello everyone: I have created a new website CosmicRayNet.net. I posted a detailed description of a cosmic ray run using iRad plastic detector. Many thanks to Tom for the wonderful detector. I have ideas for more cosmic ray experiments. I wish I had time to work on this asap. Yesterday I presented t...

Lodovico: thank you for the hint concerning the fit. All this is a fun project for me. I analyzed this data in about one hour while listening to a video conference on our new "big science" project ;-) Seriously, this instrument is highly automated. The data collection and event selection i...

Setup_overview_small.jpg Legend: A) HV - signal splitter. B) HV supply. C) FemtoDAQ. D) iRad detector (3 inch BC412). E) FemtoDAQ control. Many thanks to Tom for the detector and the splitter box! Here Is the result after 4 days of running. The statistics: Total processed events= 3,512,000, written...

Lodovico: Thank you! Yes, the higher threshold will do it. I will apply higher threshold offline. Since Friday FemtoDAQ is writing the event file with the waveforms. I will close the file on Monday and process offline. Since there is a full waveform for every event, I can integrate the pulses and th...

Lodovico: I am running with Tom's detector now. The test run yielded many background events, but with enough time the true meson decay will build up. Preparing for this, I ran for 3 days with a 3" by 4" NaI(Tl), which has higher stopping power than plastic. The results are posted on my web...

Hi, Lodovico!
Amazing piece of work. I ordered a similar detector from Tom for the same purpose. I will post when I put the detection system together and get some results.