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

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number101101
JournalPhysical Review Letters
Volume101
Issue number10
DOIs
Publication statusPublished - 2008 Sep 5
Externally publishedYes

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gravitational waves
interferometers
recycling
lasers
laser interferometry
flux density
bandwidth
output
detectors

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Akutsu, T., Kawamura, S., Nishizawa, A., Arai, K., Yamamoto, K., Tatsumi, D., ... 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

Search for a stochastic background of 100-MHz gravitational waves with laser interferometers. / Akutsu, Tomotada; Kawamura, Seiji; Nishizawa, Atsushi; Arai, Koji; Yamamoto, Kazuhiro; Tatsumi, Daisuke; Nagano, Shigeo; Nishida, Erina; Chiba, Takeshi; Takahashi, Ryuichi; Sugiyama, Naoshi; Fukushima, Mitsuhiro; Yamazaki, Toshitaka; Fujimoto, Masa Katsu.

In: Physical Review Letters, Vol. 101, No. 10, 101101, 05.09.2008.

Research output: Contribution to journalArticle

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, MK 2008, 'Search for a stochastic background of 100-MHz gravitational waves with laser interferometers', Physical Review Letters, vol. 101, no. 10, 101101. https://doi.org/10.1103/PhysRevLett.101.101101
Akutsu, Tomotada ; Kawamura, Seiji ; Nishizawa, Atsushi ; Arai, Koji ; Yamamoto, Kazuhiro ; Tatsumi, Daisuke ; Nagano, Shigeo ; Nishida, Erina ; Chiba, Takeshi ; Takahashi, Ryuichi ; Sugiyama, Naoshi ; Fukushima, Mitsuhiro ; Yamazaki, Toshitaka ; Fujimoto, Masa Katsu. / Search for a stochastic background of 100-MHz gravitational waves with laser interferometers. In: Physical Review Letters. 2008 ; Vol. 101, No. 10.
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