2012 Fiscal Year Final Research Report
Test of Radar Echo Detection using Electron Beam for Future Large Air Shower Observatory
| Project/Area Number |
23654078
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | The University of Tokyo |
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Principal Investigator |
IKEDA Daisuke 東京大学, 宇宙線研究所, 特任研究員 (60584258)
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| Co-Investigator(Renkei-kenkyūsha) |
TERASAWA Toshio 東京大学, 宇宙線研究所, 教授 (30134662)
NAKAMURA Takuji 国立極地研究所, 教授 (40217857)
SAGAWA Hiroyuki 東京大学, 宇宙線研究所, 准教授 (80178590)
OGIO Syoichi 大阪市立大学, 理学系研究科, 准教授 (20242258)
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| Project Period (FY) |
2011 – 2012
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| Keywords | 電波エコー観測 / 電子線形加速器 / Telescope Array 実験 / 国際研究者交流(米国) |
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| Research Abstract |
We are carrying out an R&D project to search for radar echoes from cosmic ray induced extensive air showers. To test and develop this technique, we have used the Electron Light Source (ELS) electron beams at the Telescope Array site as artificial air showers. A radio transmitter and receivers have been constructed and placed them140m from the accelerator beam to search for radar echoes from the trail of the electron beam. In September and December 2012, we have tried to detect radio signals from ELS electron beams of 40MeV, 109 electrons with two different beam durations. We have not found any radio echo signals, but we have observed a radio emission from the electron beam.
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