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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

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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

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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

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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