5–10 Jul 2021
Europe/Rome timezone

TOBA: a Ground-Based Mid.-Frequency Gravitational-Wave Antenna

7 Jul 2021, 08:10
20m
Invited talk in the parallel session Mid-frequency Gravitational Waves (0.1-10 Hz): Sources and Detection Methods Mid-Frequency Gravitational Waves (0.1-10 Hz): Sources and Detection Methods

Speaker

Masaki Ando (Univ. of Tokyo)

Description

TOBA (TOrsion-Bar Antenna) is a mid.-frequency gravitational-wave antenna. It is formed by two bar-shape test masses, each suspended as a torsion pendulum. Tidal effect originated by incoming gravitational wave will be detected as differential angular motion of these two bars. The fundamental sensitivity is 10^(-19) Hz^(-1/2) at 0.1 Hz frequency band, assuming 10-m scale cryogenic detector. Though this sensitivity is not comparable with space antennae, it is sufficient to observe any intermediate-mass black-hole inspirals in our universe. Also, operation on ground is advantageous in development time and cost. In this presentation, we will overview the concept, development history and recent achievement of TOBA.

Primary authors

Masaki Ando (Univ. of Tokyo) Mr Satoru Takano (Univ. of Tokyo) Mrs Ching Pin Ooi (Univ. of Tokyo) Mrs Yuka Oshima (Univ. of Tokyo) Dr Yuta MIchimura (Univ. of Tokyo)

Presentation materials

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