Current status of TAMA

被引：120

作者：

Ando, M

机构：

[1] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[2] Univ Tokyo, Inst Cosm Ray Res, Tokyo 1130033, Japan

[3] Univ Tokyo, Dept Adv Mat Sci, Tokyo 1130033, Japan

[4] Univ Tokyo, Earthquake Res Inst, Tokyo 1130033, Japan

[5] Univ Electrocommun, Inst Laser Sci, Chofu, Tokyo 182, Japan

[6] Osaka Univ, Dept Earth & Space Sci, Suita, Osaka 565, Japan

[7] Miyagi Univ Educ, Sendai, Miyagi, Japan

[8] Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 606, Japan

[9] Max Planck Inst Quantum Opt, Garching, Germany

[10] Hirosaki Univ, Fac Sci & Technol, Hirosaki, Aomori, Japan

[11] Univ Tokyo, Dept Astron, Tokyo 1130033, Japan

[12] Kinki Univ, Dept Phys, Higashiosaka, Osaka 577, Japan

[13] Tokyo Denki Univ, Dept Mat Sci & Engn, Tokyo 101, Japan

[14] Osaka City Univ, Dept Phys, Osaka 558, Japan

[15] Tokai Univ, Div Precis Engn, Hiratsuka, Kanagawa 25912, Japan

[16] Tohoku Univ, Astron Inst, Sendai, Miyagi 980, Japan

[17] Niigata Univ, Dept Phys, Niigata 95021, Japan

[18] Hiroshima Univ, Dept Phys, Hiroshima 730, Japan

来源：

CLASSICAL AND QUANTUM GRAVITY | 2002年 / 19卷 / 07期

关键词：

D O I：

10.1088/0264-9381/19/7/324

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

TAMA300, an interferometric gravitational-wave detector with 300 m baseline length, has been developed and operated with sufficient sensitivity to detect gravitational-wave events within our galaxy and sufficient stability for observations. The interferometer was operated for over 24 h stably and continuously. With a strain-equivalent noise level of h similar to 5 x 10(-21) Hz(-1/2), a signal-to-noise ratio (SNR) of 30 is expected for gravitational waves generated by a coalescence of 1.4 M-circle dot-1.4 M-circle dot binary neutron stars at 10 kpc distance. In the summer of 2000, we carried out a two-week data-taking run, called data taking 4 (DT4), collecting 160 h of data to be analysed in the search for gravitational waves. In this paper, we review the design of the TAMA300 interferometer and the results of DT4. In addition, improvements after DT4 and recent results are also reported.

引用

页码：1409 / 1419

页数：11

共 26 条

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