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LIGO-G030428-00-Z Update on the Analysis of S2 Burst Hardware Injections L. Cadonati (MIT), A. Weinstein (CIT) for the Burst group Hannover LSC meeting,

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Presentation on theme: "LIGO-G030428-00-Z Update on the Analysis of S2 Burst Hardware Injections L. Cadonati (MIT), A. Weinstein (CIT) for the Burst group Hannover LSC meeting,"— Presentation transcript:

1 LIGO-G030428-00-Z Update on the Analysis of S2 Burst Hardware Injections L. Cadonati (MIT), A. Weinstein (CIT) for the Burst group Hannover LSC meeting, August 20, 2003

2 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 20032 S2 Burst Hardware Injections For details on the injections and the analysis: AJW’s presentation at the march LSC meeting LIGO-G030081-00-Z http://ligo.mit.edu/~cadonati/S2/Inject/S2injections.html Frequency f 0 (Hz) Duration (msec) 100 90 153 58 235 38 361 25 554 16 850 11 1304 7 2000 4.5 Time from segment start t 0 (sec)20406080100120140160 Short, narrow-bandwidth signals (sine-Gaussians). l Signal amplitudes should span the range from "barely detectable" to "large, but not so large as to break lock". l Each sine-Gaussian has Q ~ 9; total duration ~ Q/f 0

3 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 20033 Use of Harwdare Injections in the Burst Analysis Test of Event Trigger Generator sensitivity, time, frequency, amplitude resolution Validation of software injection code Test of correlation/coincidence techniques Veto safety studies The work presented here is preliminary: better resolution, burst parameter estimation will soon be available from the new burstDSO (J. Sylvestre) New calibration files recently became available – will be used in comparison with software simulation engine

4 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 20034 POWER L1 injections (pre and intra-run) TFCLUSTERS Detected at wrong frequency (noise?) TFCLUSTERS (settings as in the online run) failed to detect some loud events. This is being addressed in the new release of TFCLUSTERS and the burstDSO. for sine gaussians

5 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 20035 L1 stationarity Intra-run injections reconstructed with TFCLUSTERS (still old setup - some are missed) Sine gaussians, Q=9 and: 235, 361, 554, 850 Hz 2x10 -16 m/sqrt(Hz) 100, 150, 1304 and 2000 Hz 8x10 -16 m/sqrt(Hz) log 10 (power ) Failed the frequency cut Uncalibrated, detected power vs time log 10 (power ) Up to 1 order of magnitude fluctuations in the detected power

6 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 20036 L1 Dots: hardware Crosses: software Hardware injections: »Q=9 sine gaussians Software injections: »Q=9 sine gaussians, at 23 times uniformly distributed in the S2 playground »Calibration taken care of in LDAS (respfilt function in DataCond) Agreement: » fits of response versus h peak »20-50% with power law 2 constrained USED ONLINE CALIBRATION » will repeat with new calibration (V02) and with implementation of the parameter estimator (h rss vs h rss ) log 10 (power) detected vs h peak Hardware vs software injections log 10 (power )

7 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 20037 With EXCESS POWER L1 log 10 (SNR) detected vs h peak

8 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 20038 POWERTFCLUSTERS H1 injections (pre and intra-run)

9 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 20039 H1 stationarity Intra-run injections reconstructed with TFCLUSTERS (still old setup - some are missed) Sine gaussians, Q=9 and: 235, 361, 554, 850 Hz 2.6x10 -16 m/sqrt(Hz) 100, 150, 1304 and 2000 Hz 1x10 -15 m/sqrt(Hz) log 10 (power ) Failed the frequency cut Uncalibrated, detected power vs time log 10 (power ) Largest fluctuation at low frequency (100-153Hz)

10 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 200310 H1 TFCLUSTERS POWER

11 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 200311 H2 - TFCLUSTERS

12 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 200312 H2 stationarity Intra-run injections reconstructed with TFCLUSTERS (still old setup - some are missed) Sine gaussians, Q=9 and: 235, 361, 554, 850 Hz 4x10 -16 m/sqrt(Hz) 100, 150, 1304 and 2000 Hz 8x10 -16 m/sqrt(Hz) 100 Hz 4x10 -15 m/sqrt(Hz) log 10 (power ) Failed the frequency cut Uncalibrated, detected power vs time log 10 (power ) Large fluctuation at low frequency (100-153Hz)

13 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 200313 H2 TFCLUSTERS POWER

14 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 200314 Veto safety studies (Ito, Schofield) H1 The position of this cut Is not decided yet! do not allow veto Study veto safety with hardware injections

15 LIGO-G030428-00-Z Hannover LSC meeting, August 20, 200315 WaveMon veto safety studies (S. Klimenko) Time lag [s] L1 HW injections Used hardware injections to look for cross coupling between AS_Q and veto channels Select qualified triggers by setting a threshold on strength of veto clusters. »Lost <4% waveMon AS_Q triggers with this cut In Progress:  Re-run WaveMon on-line on larger number of channels and wider frequency band.  Study of veto efficiency ASQ VETO

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