Study on measurement method of radio waves generated by charged particles in cosmic-ray air showers using a particle accelerator

Y. Katayose, T. Asaba, K. Honda, S. Kodaira, Y. Koshiba, K. Sakaue, T. Saito, T. Sasaki, K. Takasaki, K. Yagisawa, M. Wakamatsu

研究成果: Conference article査読

抄録

To develop a detector with an effective area large enough to observe an extensive air shower, we studied a method of detecting radio waves generated via the transition radiation process by charged particles in an air shower. Characteristics of the radio waves were investigated using beam accelerators and radio antennas. When about 430 × 109 electrons with a kinetic energy of 4.7 MeV crossed a titanium film into the air, the radio pulse emitted was measured using a standard dipole antenna with a bandwidth of 800 - 880 MHz. The measured pulse height at a position 1.2 m away from the source and at an angle of 5? from the beam axis was approximately 670 mV. It was found that the electric field strength had large angular dependence and that the polarization property was roughly consistent with the theoretical value.

本文言語English
ジャーナルProceedings of Science
358
出版ステータスPublished - 2019
イベント36th International Cosmic Ray Conference, ICRC 2019 - Madison, United States
継続期間: 2019 7 242019 8 1

ASJC Scopus subject areas

  • 一般

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