GWDAW-8 (December 17-20, 2003, Milwaukee, Wisconsin, USA)
Search for burst gravitational waves with TAMA data Masaki Ando
Department of Physics, University of Tokyo TAMA Collaboration Burst
wave analysis with TAMA data Excess power filter Veto: signal
behavior auxiliary channel Event candidate list Evaluation of the
list Overview
Slide 2
GWDAW-8 (December 17-20, 2003, Milwaukee, Wisconsin, USA) 2
Contents Introduction Analysis targets and data Burst wave filter
Excess power filter Parameter selection Non-Gaussian noise
reduction Time-scale selection Software injection test, Threshold
setting Veto analysis with auxiliary channel Correlation check
Estimation of accidentals, Threshold setting Hardware injection
test Event list investigation Summary
Slide 3
GWDAW-8 (December 17-20, 2003, Milwaukee, Wisconsin, USA) 3
Contents Introduction Analysis targets and data Burst wave filter
Excess power filter Parameter selection Non-Gaussian noise
reduction Time-scale selection Software injection test, Threshold
setting Veto analysis with auxiliary channel Correlation check
Estimation of accidentals, Threshold setting Hardware injection
test Event list investigation Summary
Slide 4
GWDAW-8 (December 17-20, 2003, Milwaukee, Wisconsin, USA) 4
Introduction (1) - Targets - Targets Burst waves from Supernovae
Numerical simulation ~100 waveforms are predicted Not cover all
initial conditions H.Dimmelmeier et al, Astron. Astrophys. 393
(2002) 523. T. Zwerger, E. Mller, Astronomy & Astrophysics, 320
(1997), 209. Common characteristics : Short burst waves Spike wave
~1msec Duration time