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Status of TAMA

Status of TAMA. Masaki Ando (Department of Physics, University of Tokyo) on behalf of the TAMA Collaboration. TAMA collaborators.

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Status of TAMA

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  1. Status of TAMA Masaki Ando (Department of Physics, University of Tokyo) on behalf of the TAMA Collaboration The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  2. TAMA collaborators Tomomi Akutsu, Tomotada Akutsu, Masaki Ando, Koji Arai, Akito Araya, Hideki Asada, Youichi Aso, Mark A. Barton, Peter Beyersdorf, Youhei Fujiki, Masa-Katsu Fujimoto, Ryuichi Fujita, Mitsuhiro Fukushima, Toshifumi Futamase, Yusaku Hamuro, Tomiyoshi Haruyama, Hideaki Hayakawa, Kazuhiro Hayama,Gerhard Heinzel, Gen'ichi Horikoshi, Hideo Iguchi, Yukiyoshi Iida, Kunihito Ioka, Hideki Ishitsuka, Norihiko Kamikubota, Nobuyuki Kanda, Takaharu Kaneyama, Yoshikazu Karasawa, Kunihiko Kasahara, Taketoshi Kasai, Mayu Katsuki, Keita Kawabe, Mari Kawamura, Seiji Kawamura, Nobuki Kawashima, Fumiko Kawazoe, Yasufumi Kojima, Keiko Kokeyama, Kazuhiro Kondo, Yoshihide Kozai, Hideaki Kudo, Kazuaki Kuroda, Takashi Kuwabara, Namio Matsuda, Norikatsu Mio, Kazuyuki Miura, Osamu Miyakawa, Shoken Miyama, Shinji Miyoki, Hiromi Mizusawa, Shigenori Moriwaki, Mitsuru Musha, Shigeo Nagano, Yoshitaka Nagayama, Ken'ichi Nakagawa, Takashi Nakamura, Hiroyuki Nakano, Ken-ichi Nakao, Yuhiko Nishi, Kenji Numata, Yujiro Ogawa, Masatake Ohashi, Naoko Ohishi, Akira Okutomi, Ken-ichi Oohara, Shigemi Otsuka, Yoshio Saito, Shihori Sakata, Misao Sasaki, Kouichi Sato, Nobuaki Sato, Shuichi Sato, Youhei Sato, Hidetsugu Seki, Aya Sekido, Naoki Seto, Masaru Shibata, Hisaaki Shinkai, Takakazu Shintomi, Kenji Soida, Kentaro Somiya, Toshikazu Suzuki, Hideyuki Tagoshi, Hirotaka Takahashi, Ryutaro Takahashi, Akiteru Takamori, Shuzo Takemoto, Kohei Takeno, Takahiro Tanaka, Keisuke Taniguchi, Shinsuke Taniguchi, Toru Tanji, Daisuke Tatsumi, C.T. Taylor, Souichi Telada, Kuniharu Tochikubo, Masao Tokunari, Takayuki Tomaru, Kimio Tsubono, Nobuhiro Tsuda, Yoshiki Tsunesada, Takashi Uchiyama, Akitoshi Ueda, Ken-ichi Ueda, Fumihiko Usui, Koichi Waseda, Yuko Watanabe, Hiromi Yakura, Akira Yamamoto, Kazuhiro Yamamoto, Toshitaka Yamazaki, Yuriko Yanagi, Tatsuo Yoda, Jun'ichi Yokoyama, Tatsuru Yoshida, Zong-Hong Zhu The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  3. Outline • TAMA300 overview • TAMA300 data-taking runs Data taking 9 (Nov. 2003 – Jan. 2004) • Efforts for detector improvement Noise hunting, TAMA-SAS • TAMA data-analysis review Chirp, Burst, Ringdown searches, Detector characterization • Summary The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  4. TAMA300 (1)- Overview - • TAMA project (1995-) TAMA300, an interferometric GW detector in Japan Baseline length : 300m Fabry-Perot-Michelson interferometer with power recycling Placed at National Astronomical Observatory in Japan First obs. run in 1999 (DT1) Upgrade and observation runs Baseline 300m Sufficient sensitivity for Galactic binary inspirals Automated crewless operation 9 observation runs (Data : ~3000 hours) National Astronomical Observatory at Mitaka, Japan The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  5. TAMA300 (2)- Detector configuration - Main IFO 10W laser 10m MC The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  6. TAMA300 (3)- Data acquisition and distribution - Data storage Data acquisition Main IFO Data Analysis The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  7. TAMA300 (4)- Facilities - Beam tube Center Room NM2 Injection Bench BS 300m Tube MC1 RM NM1 Output Bench 10W Laser End Room EM1 The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  8. TAMA300 (5)- Components - Mirror suspension 10W laser source Fused silica　Mirror The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  9. Data taking run (1)- Observation runs - • TAMA observation runs The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  10. Data taking run (2)- Data Taking 9 - • TAMA DT9 Data Taking 9 Nov. 28, 2003 – Jan. 10, 2004 558 hours of data Noise level : 2x10-21 /Hz1/2 In particular … DT6 Noise floor level drift DT8 2nd half : 200 hours (Christmas, new-year Holiday terms) Better noise level Stable environment DT9 The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  11. Data taking run (3)- Noise level in DT9 - • Noise level Data Taking 9 Noise level : 2x10-21 /Hz1/2 Mostly limited by shot noise and photo-detector noise DT6 DT9 Improvements: Implementation of power recycling (power gain: 4.5) Better stabilization for laser-frequency noise Shot noise +Detector noise The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  12. Data taking run (4)- Observable range in DT9 - • Observable distance Detectable distance for binary inspiral (SNR=10, optimal condition) DT9 72.8 kpc for 1.4 Mo binary inspirals DT6 TAMA300 covers most part of our Galaxy The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  13. Data taking run (5)- Automated observation in DT9 - • Crewless observation in DT9 Automated detector operation Master-system (intelligent switching) PC + PCI boards + LabVIEW 64ch digital I/O 16ch A/D + 24ch D/A Lock acquisition Auto adjustment Interface with external system Self-switching sub-system Logic circuit + Embedded micro processor Laser source control MC control Laser intensity stabilization Beam axes control The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  14. Unidentified noise Scattered light ? Beam jitter ? Laser source ? RF detection ? Electronics ? Noise hunting! Detector improvement (1)- Noise hunting - • Noise investigation DT9 noise level Seismic noise Alignment noise Shot noise The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  15. Detector improvement (2)- Noise hunting with RMI - • Strategy Investigate noise behavior with simplified configuration Power-recycled Michelson Remove POs Single PD at the dark port … etc Back to full configuration checking the noise level The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  16. Detector improvement (3)- Noise reduction - • RMI noise reduction Back to full configuration step by step Improved about 10 times after DT9 Simpler configuration Scattered noise reduction Recent result … Re-installed POs  keep best noise The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  17. Detector improvement (4)- RMI phase noise - • RMI noise Contribution of RMI phase noise Promising result RMI phase noise Alignment noise (can be improved) The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  18. Detector improvement (5)- Seismic noise reduction - • TAMA-SAS Development for better seismic attenuation Seismic attenuation system (SAS) For low frequency (0.1～10Hz) R&D with Caltech and Univ. of Pisa Prototype test with a 3-m Fabry-Perot cavity Expected Isolation @4Hz 10-8 ➞ 10-11 m/Hz1/2 Expected RMS velocity 3.7 ➞ 0.3 mm/s Design for TAMA : fixed Main parts : delivered Installation in 2005 The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  19. TAMA data analysis (1)- Overview - • TAMA data-analysis activities Compact binary inspirals: chirp Change in signal frequency (low  high) Waveforms are well predicted (2.5 PN) Stellar-core collapses, etc: burst Short GW signals from violent phenomena Possible coincidence with electromagnetic and/or neutrino New-born black hole: ringdown Damped sinusoidal waves from a quasi-normal mode Waveforms are predicted Pulsars, Compact binaries: periodic Continuous GW signals Gain SNR with long-term observations Detector characterization Calibration, data conditioning, Noise behavior, Correlation between detectors Coincidence analysis Chirp: LIGO-TAMA Burst: LIGO-TAMA Un-triggered search Triggered search for GRB ROG- TAMA The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  20. TAMA data analysis (2)- Chirp-wave analysis - • Chirp-wave analysis Target: Binary inspirals Waveforms by post-Newtonian approx. Schemes: Matched filtering Fake reduction with a c2-test Galactic simulation  Upper limit for event rate In this workshop … H. Takahashi, S. Fairhurst (Thu. PM) TAMA DT8 - LIGO S2 coincidence analysis Upper limit for Galactic event rate DT6: 50-day observation (2001) Range : 33.1kpc 83 events /yr (1-2Msol) DT8: 60-day observation (2003) Range : 42.2kpc 29 events /yr (1-3Msol) DT9: 50-day observation (2003-2004) Range : 72.8kpc Search in progress… The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  21. TAMA data analysis (3)- Burst-wave analysis - • Burst-wave analysis Target: Unmodelled: Stellar-core collapse, etc Ref. waveforms by numerical sim. Schemes: Matched filtering Excess-power filter, Linear-fit filter Wavelet-based filter Fake reduction: Veto with auxiliary channel Time-scale selection Galactic simulation  Upper limit for event rate In this workshop … M.Ando (Fri. PM): DT9 results with an excess-pow. filter T.Akutsu (Fri. PM): DT9 results with an ALF filter K.Hayama (Poster): Development of a wavelet-based filter P.Sutton (Fri. PM): LIGO-TAMA coincidence analysis The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  22. TAMA data analysis (4)- Ringdown-wave analysis - • Ringdown-wave analysis Target: New-born BHs Damped sinusoidal waveform  Mass, Kerr parameter of BH Schemes: Matched filtering Fake reduction: Selection of events with realistic freq. and Q-value Behavior in template space In this workshop … Y.Tsunesada (Thu. PM): DT6-9 event search D.Tatsumi (Poster): Fake-reduction method The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  23. TAMA data analysis (5)- Other activities - • Continuous-wave analysis K.Soida et al., Class. Quantum Grav. 20 (2003) S645 Target: Possible pulsar at SN1987A remnant Sinusoidal wave without precise freq. information Schemes: Matched filtering (Heterodyne detection) DT8-9 analysis in progress… Characterization In this workshop … S.Telada (Thu. AM): Calibration in time domain N.Kanda (Thu. AM): Effect of correlation of two detectors in LCGT The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  24. Summary TAMA detector Data Taking 9 Improve the sensitivity by a factor of 2 observable range 72kpc for 1.4Mo binaries Automated stable operation Noise investigation with RMI Preparation for TAMA-SAS installation Data analysis Inspiral, burst, and ringdown searches results are being obtained LIGO-TAMA coincidence analyses Some activities on data analysis: Continuous wave search Waveform estimation Detector correlations The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

  25. End The 9th Gravitational Wave Data Analysis Workshop (December 15-18, 2004, Annecy, France)

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