Search for a stochastic background of 100-MHz gravitational waves with laser interferometers

Tomotada Akutsu, Seiji Kawamura, Atsushi Nishizawa, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Shigeo Nagano, Erina Nishida, Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama, Mitsuhiro Fukushima, Toshitaka Yamazaki, Masa Katsu Fujimoto

研究成果: Article

44 引用 (Scopus)

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This Letter reports the results of a search for a stochastic background of gravitational waves (GW) at 100 MHz by laser interferometry. We have developed a GW detector, which is a pair of 75-cm baseline synchronous recycling (resonant recycling) interferometers. Each interferometer has a strain sensitivity of ∼10-16Hz-1/2 at 100 MHz. By cross-correlating the outputs of the two interferometers within 1000 seconds, we found h1002Ωgw<6×1025 to be an upper limit on the energy density spectrum of the GW background in a 2-kHz bandwidth around 100 MHz, where a flat spectrum is assumed.

元の言語English
記事番号101101
ジャーナルPhysical Review Letters
101
発行部数10
DOI
出版物ステータスPublished - 2008 9 5
外部発表Yes

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

これを引用

Akutsu, T., Kawamura, S., Nishizawa, A., Arai, K., Yamamoto, K., Tatsumi, D., Nagano, S., Nishida, E., Chiba, T., Takahashi, R., Sugiyama, N., Fukushima, M., Yamazaki, T., & Fujimoto, M. K. (2008). Search for a stochastic background of 100-MHz gravitational waves with laser interferometers. Physical Review Letters, 101(10), [101101]. https://doi.org/10.1103/PhysRevLett.101.101101