Development of surface contamination measurement with a scintillation film

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K13473
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Tohoku University
• Principal Investigator: Ikeda Haruo 東北大学, ニュートリノ科学研究センター, 助教 (90400233)
• Research Collaborator: SHIBUKAWA Yuna
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: 極低放射能環境

Outline of Final Research Achievements

Radioactive contamination on the large detector surface makes serious background events for observing rare physics phenomenon like neutrino less double beta decay. Its measurement has been difficult because of the detector’s structure and materials. Alpha ray detection on the surface is useful method of understanding radioactive contamination. One sided scintillation film can measure only the surface contamination of the detector and separate environmental radioactive signals from beta and gamma rays using the time structure of scintillation light.

Free Research Field

素粒子実験