Re: [BLAST_ANAWARE] timings from recent cosmics

From: Peter J Karpius (Pete.Karpius@unh.edu)
Date: Fri May 07 2004 - 11:10:11 EDT


Hey Chris-

        I can run the flasher macro on these runs and check the offsets
against yours. First I need to finish the runs for Adrian while on shift
tonight.

                        Pete

On Thu, 6 May 2004, Chris Crawford wrote:

> hi guys,
> i just did an analysis of the tof tdc offsets from the recent set of
> cosmics runs (7149-7157), 6.5 hrs, and about 42k coincidence
> events/4.7M total, and here are the offsets i get over and above those
> in the current electronics map (~22~). the units are tdc chanels, so
> the worst cases are +,- 4 ns.
> michael and wang, i can show you how to extend the script to do
> timings for neutrons and bats also. i found i needed at least 1hr worth
> of data in order to get any fits at all.
> --chris
>
> left tof's { { 5, 20, -4, -37, -29, -5, -28, -7, -22, 37,
> 38, 36, 52, 26, 35, 21 },
> right tof's { 91, -15, 14, -29, -29, -79, -39, -34, -4, -63, 52,
> 43, -87, 34, 34, -27 } };
>



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