Minutes of 2008-Jan-24 S5 QPipeline Review Teleconference
Shourov Chatterji, Jonah Kanner, Erik Katsavounidis, Isabel Leonor, Dave Reitze
Minutes by Jonah Kanner.
Shourov goes through his timeline.
* Code review needs to be finished by March meeting - should be no problem: Isabel - Start with H1H2 analysis trigger production *w and w/o null and coherent cuts - trigger production for sine-gausian playground is done - Dave: Is this timeline too ambitious? Can the box really be open by march LSC meeting?? - Erik and Shourov: yes, it seems ok
Shourov describes H1H2 zero and non-zero lag playground analysis.
- Consider distributions on playground day of H1H2 coherent stream - Cut: difference between coherent energy and incoherent energy has to be greater than some threshold. This cut helps get rid of potentially loud events on days where H2 is especially bad - Erik: There could be more time lags on the playground day - Shourov: Yes, I plan to do more - about a 100 - Isabel: Are the red and green curves overlapping? - Shourov: Yes, though sometimes they may not be the same events - Jonah: In h1h2 distributions, why does zero-lag look so MUCH like background - Shourov: The increased rate of coincident glitches is burried in large number of single detector glitches, which show up - Shourov: After all cuts, a coincident h1h2 glitch shows up in zero-lag that gets through cuts. In fact, foreground seems to be statistically more than background after all cuts
Shourov describes H1H2 loudest zero lag playground events.
- Some of the loud events look consistent, but no vetos have been applied Shourov: hope to have full MDCs done for next week Isabel: is there a single IFO cut? Shourov: no, but the coherent improvement cut should serve the same purpose
Dave: Shourov should post the minutes from previous meetings on the QPipeline review web pages.