Hi Chris-
I thought it was only the small paddles that we used in
conjunction with the start counter that were tied with rope - I did that
one night a few years ago with Sal the RPO as he was the only one on hand.
Pete
On Fri, 12 Nov 2004, Chris Crawford wrote:
> integrated over the last 2 weeks, they are at least 90% efficient,
> probably 95%. although i'm not very sensitive to the forward tofs yet.
> are the light guides still tied to some rope so they do not fall down
> and break something?
> --chris
>
> Taylan Akdogan wrote:
>
> >On Fri, 12 Nov 2004, Adrian T Sindile wrote:
> >
> >
> >
> >>Hi!
> >>Taylan called me and I pointed him to the TOF repair web page.
> >>He graciuosly offered to mount the PMT on LT5 following the web
> >>instructions, as neither Pete nor I could be at Bates during the day
> >>today...
> >>
> >>To try and fix the RTT3, which Michael reported as having the lightguide
> >>at a different angle, the whole group of 4 TOFs needs to be taken out with
> >>a crane, RTT3 needs to be separated and then glued, cured overnight and
> >>put back the next day. As it is now, it still gets data (but it should be
> >>fixed ASAP).
> >>If the two techs whom we trained for this (Chris and Dave?) are not around
> >>anymore, Pete and I can come and fix it whenever there is plan on opening
> >>the hall for half a day (Monday, Tuesday? Just let us know)... and then
> >>come and put them back the next day. Data taking will probably have to
> >>stop for those two days (4 TOFs missing)...
> >>
> >>
> >
> >
> >How inefficient are they? Unless they are completely inefficient,
> >which seems not to be the case, we should wait the weekly
> >maintenance day for this.
> >
> >Taylan
> >
> >
> >
> >
>
----------------------------------------------
Pete Karpius
Graduate Research Assistant
Nuclear Physics Group
University of New Hampshire
phone: (603)978-6152
FAX: (603)862-2998
email: karpiusp@einstein.unh.edu
http://pubpages.unh.edu/~pkarpius/homepage.htm
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