[Bonuslist] [Fwd: CC/EC errors]

Jixie Zhang jixie at jlab.org
Wed Sep 2 08:10:37 EDT 2009


Hi, Slava,
  I did not put these information into the wiki yet.
Here is some brief description:
Up to 2009/08/31,
(1) BoNuS have no calibration for CC
(2) There is a serious bug in packages/cc/cc_event.F which cause CC TDC
calibration always fail
(3) There is a bug in SEB and CC which cause none-trigger-particle will not
be filled into CCPB bank, as
a result these particles will not be filled into CC block of h10 ntuple

The above bugs affect CC block only, it will not affect electron
identification since our cc cut is so lose.


I have just finished CC TDC calibration. I am going to update our user_ana
to VS15. I am waiting for
Vlassov to finish CC ADC calibration then recook the data.


Jixie


On 9/1/09, Sebastian Kuhn <kuhn at jlab.org> wrote:
>
> Can you point Slava to your most recent presentation on this matter? -
> Sebastian
>
> Hi Sebastian,
>
> I tried to find some reports on CC threshold problem and inefficiency on
> BOnuswiki, Hall B site. I remember hearing about it multiple times (and
> getting Peter's email recently), but now I can't find anything but the old
> Jixie's write-up on CC and EC thresholds in the simulation (from February
> 13).
>
> Could you, please, point me to the place where I can find this info.
>
> Slava
>
>
>
>


-- 
Best Regards,
Jixie Zhang

Tel: 757-683-3646 (o)
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