2012 Fiscal Year Final Research Report
Development of Image Intensifier Unit for Directional Measurement of Geoneutrino
| Project/Area Number |
22340047
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | Tohoku University |
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Principal Investigator |
MITSUI Tadao 東北大学, ニュートリノ科学研究センター, 准教授 (20283864)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 素粒子(実験) |
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| Research Abstract |
For large-volume, ultrapure liquid scintillator detector, like KamLAND, basic R&D has been performed for a new method to measure arrival direction of electron antineutrinos, and particle ID. By taking photographs of light emission vertex, the position resolution was measured at 5 cm for 1-MeV gamma ray, being improved from the current resolution of 15 cm. For “Li-6 liquid scintillator", that we have developed before, the neutron capture time and the energy of the alpha ray emitted after capturing neutrons were measured. With those data, we performed a simulation for directional measurement of geoneutrinos.
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