Re: Hi,the localmon 4111062.dat

From: Frank Geurts (geurts_at_rice.edu)
Date: Tue Apr 22 2003 - 13:03:16 EDT

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• In reply to: Lijuan Ruan: "Hi,the localmon 4111062.dat"
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sounds like we lost the last TDC module ... Lijuan, can you check
whether you see strobe events for those 8 cells?

Lijuan Ruan wrote:
> Hello,
> I have checked localmon_to4111062.dat.I put some pictures in
> http://www.star.bnl.gov/protected/spectra/ruanlj/localmon/
>
> In the 4111062_occup.ps,my cut is adc in the range of (30,1000) and
> tdc (0,1000).This picture is 72 tofr channel occupancy plot.The x axis
> corresponding to the 72 Tofr Array number,and y axis is the count.
> And we can see that the final 8 channel have no signal.
> And from the 4111062_ADC.ps .It seeems ok.The first 6 channel corresponding
> to 6 pvpd.And then 72 tofr channel.
> But for 4111062_TDC.ps,We can't see signal for the final 8 tofr channel.
> Agian,the first 6 channel corresponding to 6 pvpd.And then 72 tofr channel.
> Besides,We have 1100 events and 875 pvpd fired event.
> And we have 736 tofr fired event.Can anybody else check this file
> and look whether we lost 8 channel TDC or not?
>
> Thanks/Lijuan
>
>

• Next message: Geary Eppley: "tofr hv monitor program is not writing"
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• In reply to: Lijuan Ruan: "Hi,the localmon 4111062.dat"
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