Dima Melnychuk Messages: 213 Registered: April 2004 Location: National Centre for Nucle...
first-grade participant
From: *play-internet.pl
Hi Lia,
Looking on the number of counts in eta_c peak with 80 vs 8000, I can add that number of analysed events is 2000 vs 100k. So drop of efficiency by factor 2 appears already on this level.
And concerning the error at lower statistics (calculating it as a square root of number of reconstructed eta_c) it' about 1%, i.e. 15+/-1 % vs 23%. So the numbers are not really compatible within errors, (may be it's just a matter of fluctuation).
> The grid sample has been simulated in the july11 release, right?
Yes.
By monday I will try to calculate a litle bit higher statistics, i.e. 5000 events. And here I have a question to Gianluigi if I should update the code to his commit from yesterday night?
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