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[videbaek <videbaek AT bnl.gov>]

Hi Yuri,
I looked briefly at the conditions that the dAu was run between day 183 
and 184.
As I can tell there is no recorded change in trigger setup. i.e. the 
tier-1 file has same name
and thus according to convention has same parameters. So I think it is 
unlikely that the external trigger timing has changed.
Is it possible that there is a calibration parameters that has been used 
in reconstruction is changing because there was a FXT target run 
in-between day 183 and 184? just asking

Depending on your answer we could contact JH and Akio.

best Flemming


--
Flemming Videbaek
senior scientist, emeritus
videbaek @ bnl.gov
Brookhaven National Lab
Physics Department
Bldg 510D
Upton, NY 11973

phone: 631-344-4106
cell     :  631-681-1596