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Re: muPC
- To: Peter Kammel <kammel@npl.uiuc.edu>
- Subject: Re: muPC
- From: Peter Winter <peter.winter@psi.ch>
- Date: Sat, 03 Dec 2005 18:18:52 +0100
- Cc: Fred Gray <fegray@socrates.berkeley.edu>, Tim Gorringe <gorringe@pa.uky.edu>
- In-reply-to: <Pine.LNX.4.21.0512031110290.17161-100000@one.npl.uiuc.edu>
- References: <Pine.LNX.4.21.0512031110290.17161-100000@one.npl.uiuc.edu>
- User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040803
Peter Kammel wrote:
>Dear Fred,
>
>From the last runs it seems that the mPC lost efficiency
>when the HV was increased. That could be related to
>a different leading edge timing, which moves the mPC
>out of the mSC coincidence. Could you be more generous
>with the coinc width to exclude this possibility.
>
>Thanks
>
>Peter
>
>
>
Some runs before the proton rate on the trend plots increased without
the proton beam being physically higher. I'm trying to look at that.
The muPC unassociated rate (what's that exactly?) went up after the HV
increased.