Re: calibration and reconstruction guide

From: Dana Beavis (Beavis@sgs1.hirg.bnl.gov)
Date: Thu Apr 11 2002 - 08:03:22 EDT

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I have attached 3 figures on the preliminary results for slewing TOFW.  This
work was based on initial programs and timing parameters determined by J.H.
Lee.  I have some hope that the timing of 80ps can be achieved.

dana

----- Original Message -----
From: "Djamel Ouerdane" <ouerdane@nbi.dk>
To: <brahms-l@bnl.gov>
Sent: Thursday, April 11, 2002 11:02 AM
Subject: Re: calibration and reconstruction guide


> Hi Dana,
>
> Great to hear that there's some slewing correction for TOFW going on.
> For the TDC gains, it's not difficult to include into the database.
> You just need to create an ascii file in the format readable by the
> calibration module and you'll be able to use the bratmain script that
> inserts the values into the DB. Here is a tyical ascii file (for TOFW):
>
> ******************************************
> *  Calibration for Tof detector TOFW
> *     Used events from run 2544
> ******************************************
> *
> * slat |  top TDC gain  | bot TDC gain
> *  ------------------------------------
>
>     1    0.0250952    0.0250303
>     2    0.0250861     0.025083
>     3    0.0250612    0.0250488
>     4    0.0250498    0.0250482
>     5    0.0250541    0.0250539
>     6    0.0250663    0.0250716
>     7    0.0250747    0.0250859
>     8    0.0251146    0.0250983
> ...
> ...
> down to 125
>
> You should leave an empty line between the last line with a star and the
> first tube line, it is really important.
>
>
> I made a version of the guide in pdf, it is at the same place.
>
> Djam
>
> --
> Djamel Ouerdane ------------------------------------------o
> |  Niels Bohr Institute      |  Home:                     |
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> |                  ouerdane@nbi.dk                        |
> o---------------------------------------------------------o
>

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