Effect of energy deposited by cosmic-ray particles on interferometric gravitational wave detectors

Kazuhiro Yamamoto, Hideaki Hayakawa, Atsushi Okada, Takashi Uchiyama, Shinji Miyoki, Masatake Ohashi, Kazuaki Kuroda, Nobuyuki Kanda, Daisuke Tatsumi, and Yoshiki Tsunesada
Phys. Rev. D 78, 022004 – Published 31 July 2008

Abstract

We investigated the noise of interferometric gravitational wave detectors due to heat energy deposited by cosmic-ray particles. We derived a general formula that describes the response of a mirror against a cosmic-ray passage. We found that there are differences in the comic-ray responses (the dependence of temperature and cosmic-ray track position) in cases of interferometric and resonant gravitational wave detectors. The power spectral density of vibrations caused by low-energy secondary muons is 100 times smaller than the goal sensitivity of future second-generation interferometer projects, such as LCGT and Advanced LIGO. The arrival frequency of high-energy cosmic-ray muons that generate enough large showers inside mirrors of LCGT and Advanced LIGO is one per a millennium. We also discuss the probability of exotic-particle detection with interferometers.

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  • Received 10 May 2008

DOI:https://doi.org/10.1103/PhysRevD.78.022004

©2008 American Physical Society

Authors & Affiliations

Kazuhiro Yamamoto*,†, Hideaki Hayakawa, Atsushi Okada, Takashi Uchiyama, Shinji Miyoki, Masatake Ohashi, and Kazuaki Kuroda

  • Institute for Cosmic Ray Research, The University of Tokyo, 5-1-5 Kashiwa-no-Ha, Kashiwa, Chiba 277-8582, Japan

Nobuyuki Kanda

  • Department of Physics, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka, Osaka 558-8585, Japan

Daisuke Tatsumi and Yoshiki Tsunesada

  • National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan

  • *kazuhiro.yamamoto@aei.mpg.de
  • Present address: Max Planck Institute for Gravitational Physics, Albert Einstein Institute, Callinstrasse 38, D-30167 Hannover, Germany.

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Issue

Vol. 78, Iss. 2 — 15 July 2008

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