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eta_c drop in efficiency [message #12731] Wed, 19 October 2011 18:02 Go to previous message
Gianluigi Boca is currently offline  Gianluigi Boca
Messages: 177
Registered: March 2004
first-grade participant
From: *gsi.de
hello,
I investigated the discrepancy in efficiency in the Eta_c channel
when using the july11 release or the latest trunk version.
( pandaroot/macro/run/tdrct/eta_c directory).

In my opinion the problem is in the generation/digitization of the
Eta_c events.

In fact, when I use the events generated and digitized (i.e. the
evt_points_stt.root and evt_params_stt.root and evt_digi_stt.root files) with the july11 libraries AND I ANALYSE THEM WITH THE
CURRENT TRUNK REVISION I obtain the same Eta_c plots obtained
when I ANALYSE THE SAME EVENTS WITH THE july11 VERSION OF THE CODE.

Please look at the attachment plots : trunk.pdf is when
the analysis is done with trunk, july11.pdf when I use the
july11 library.

Gianluigi
  • Attachment: trunk.pdf
    (Size: 17.48KB, Downloaded 179 times)
  • Attachment: july11.pdf
    (Size: 17.58KB, Downloaded 160 times)
 
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