Upper limit on gravitational wave backgrounds at 0.2 Hz with a torsion-bar antenna

We present the first upper limit on gravitational wave (GW) backgrounds at an unexplored frequency of 0.2 Hz using a torsion-bar antenna (TOBA). A TOBA was proposed to search for low-frequency GWs. We have developed a small-scaled TOBA and successfully found Ω(gw)(f)

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Bibliographic Details
Published in:Physical review letters 2011-04, Vol.106 (16), p.161101, Article 161101
Main Authors: Ishidoshiro, Koji, Ando, Masaki, Takamori, Akiteru, Takahashi, Hirotaka, Okada, Kenshi, Matsumoto, Nobuyuki, Kokuyama, Wataru, Kanda, Nobuyuki, Aso, Yoichi, Tsubono, Kimio
Format: Article
Language:English
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Summary:We present the first upper limit on gravitational wave (GW) backgrounds at an unexplored frequency of 0.2 Hz using a torsion-bar antenna (TOBA). A TOBA was proposed to search for low-frequency GWs. We have developed a small-scaled TOBA and successfully found Ω(gw)(f)
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.106.161101