Re: [Brahms-dev-l] TD1 calibration in DB

From: Bjorn H Samset <bjornhs@rcf2.rhic.bnl.gov>
Date: Thu Nov 20 2003 - 12:00:39 EST
On Thu, 20 Nov 2003, Pawel Staszel wrote:

>
>
> Hironori Ito wrote:
>
> > Hello.  I thought I remind everyone that timings for dAu and pp are
> > different by about 8ns (due to an addition of 8ns cable to start
> > time).  Therefore, even if you calibrate the last run of dAu, you MUST
> > also calibrate the first run of pp (for at least time offset).
> > Hiro
>
> Yes, that was my observation that times in Td1 are different for d+Au
> and p+p by about 8ns.
> So, we need time offset calibration for the beginning of the pp run
> (~8704) (the existed time offset calibration is for 8650 which is d+Au)

Ah - darn. For some reason I had 8650 down as the start of p+p, but I
think you're right. I'll look into 8704 or thereabouts tomorrow and commit
a TD1 calib.

Ping :-)


--
Bjorn H. Samset                           Phone: 22856465/92051998
PhD student, heavy ion physics            Adr:   Schouterrassen 6
Inst. of Physics, University of Oslo             0573 Oslo
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Received on Thu Nov 20 12:02:18 2003

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