Thermal-noise-limited underground interferometer CLIO (2009)
Agatsuma, Kazuhiro, Arai, Koji, Fujimoto, Masa-Katsu, Kawamura, Seiji, Kuroda, Kazuaki, Miyakawa, Osamu, ...
We report on the current status of CLIO (Cryogenic Laser Interferometer Observatory), which is a prototype interferometer for LCGT (Large scale Cryogenic Gravitational-wave Telescope). LCGT is a...
Search for a Stochastic Background of 100-MHz GravitationalWaves with Laser Interferometers (2008)
Akutsu, Tomotada, Kawamura, Seiji, Nishizawa, Atsushi, Arai, Koji, Yamamoto, Kazuhiro, Tatsumi, Daisuke, ...
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...
Yamamoto, Kazuhiro, Hayakawa, Hideaki, Okada, Atsushi, Uchiyama, Takashi, Miyoki, Shinji, Ohashi, Masatake, ...
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...
Search for a stochastic background of 100-MHz gravitational waves with laser interferometers (2008)
Akutsu, Tomotada, Kawamura, Seiji, Nishizawa, Atsushi, Arai, Koji, Yamamoto, Kazuhiro, Tatsumi, Daisuke, ...
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...
Nishizawa, Atsushi, Kawamura, Seiji, Akutsu, Tomotada, Arai, Koji, Yamamoto, Kazuhiro, Tatsumi, Daisuke, ...
Recently, observational searches for gravitational wave background (GWB) have been developed and given constraints on the energy density of GWB in a broad range of frequencies. These constraints have...
Nishizawa, Atsushi, Kawamura, Seiji, Akutsu, Tomotada, Arai, Koji, Yamamoto, Kazuhiro, Tatsumi, Daisuke, ...
Recently, observational searches for gravitational wave background (GWB) have been developed and given direct and indirect constraints on the energy density of GWB in a broad range of frequencies....
Search for continuous gravitational waves from PSR J0835-4510 using CLIO data (2008)
Akutsu, Tomomi, Ando, Masaki, Haruyama, Tomiyoshi, Kanda, Nobuyuki, Kuroda, Kazuaki, Miyoki, Shinji, ...
We search for continuous gravitational waves from PSR J0835-4510 at twice its rotational frequency using CLIO (Cryogenic Laser Interferometric Observatory) in the Kamioka mine. In this search, we use...
Yamamoto, Kazuhiro, Hayakawa, Hideaki, Okada, Atsushi, Uchiyama, Takashi, Miyoki, Shinji, Ohashi, Masatake, ...
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...
Yamamoto, Kazuhiro, Hayakawa, Hideaki, Okada, Atsushi, Uchiyama, Takashi, Miyoki, Shinji, Ohashi, Masatake, ...
Yoshiki
We report here a new measurement of cross-section and forward-backward asymmetry in the heavy flavour (c and b) quark production using prompt leptons at TRISTAN ( p s = 58 GeV). We have improved our...
Nishizawa, Atsushi, Kawamura, Seiji, Akutsu, Tomotada, Arai, Koji, Yamamoto, Kazuhiro, Tatsumi, Daisuke, ...
Recently, observational searches for gravitational wave background (GWB) have developed and given direct and indirect constraints on the energy density of GWB in a broad range of frequencies. These...
Current status of Japanese detectors (2007)
Tatsumi, Daisuke, Takahashi, Ryutaro, Arai, Koji, Nakagawa, Noriyasu, Agatsuma, Kazuhiro, Yamazaki, Toshitaka, ...
Current status of TAMA and CLIO detectors in Japan is reported in this article. These two interferometric gravitational-wave detectors are being developed for the large cryogenic gravitational wave...
Plans for the LIGO-TAMA Joint Search for Gravitational Wave Bursts (2004)
Sutton, Patrick J., Ando, Masaki, Brady, Patrick, Cadonati, Laura, Di Credico, Alessandra, Fairhurst, Stephen, ...
We describe the plans for a joint search for unmodelled gravitational wave bursts being carried out by the LIGO and TAMA collaborations using data collected during February-April 2003. We take a...
Ando, Masaki, Arai, Koji, Aso, Youichi, Beyersdorf, Peter, Hayama, Kazuhiro, Iida, Yukiyoshi, ...
We present data-analysis schemes and results of observations with the TAMA300 gravitational-wave detector, targeting burst signals from stellar-core collapse events. In analyses for burst...
Tsunesada, Yoshiki, Kanda, Nobuyuki, Nakano, Hiroyuki, Tatsumi, Daisuke, Ando, Masaki, Sasaki, Misao, ...
Gravitational radiation from a slightly distorted black hole with ringdown waveform is well understood in general relativity. It provides a probe for direct observation of black holes and...
Tomaru, Takayuki, Miyoki, Shinji, Ohashi, Masatake, Kuroda, Kazuaki, Uchiyama, Takashi, Suzuki, Toshikazu, ...
We evaluated the performance of polished mirror surfaces for the TAMA interferometric gravitational wave detector by comparing the experimental results with a wave-front tracing simulation. The TAMA...
Determining the Cosmic Equation of State Using Future Gravitational Wave Detectors (2001)
Zhu, Zong-Hong, Fujimoto, Masa-Katsu, Tatsumi, Daisuke
The expected chirp mass distribution of observed events for future gravitational wave detectors is extensively investigated in the presence of an exotic fluid component with an arbitrary equation of...
Tomaru, Takayuki, Uchiyama, Takashi, Tatsumi, Daisuke, Miyoki, Shinji, Ohashi, Masatake, Kuroda, Kazuaki, ...
We have applied laser calorimetry to the measurement of optical absorption in mono-crystalline sapphire at cryogenic temperatures. Sapphire is a promising candidate for the mirror substrates of the...
The First Search for Gravitational Waves from Inspiraling Compact Binaries using TAMA300 data (2000)
Tagoshi, Hideyuki, Kanda, Nobuyuki, Tanaka, Takahiro, Tatsumi, Daisuke, Telada, Souichi
We analyzed 6 hours of data from the TAMA300 detector by matched filtering, searching for gravitational waves from inspiraling compact binaries. We incorporated a two-step hierarchical search...