Re: [BLAST_SHIFTS] Shift summary 11/11/2004 C (17-1)

From: Adrian T Sindile (asindile@cisunix.unh.edu)
Date: Fri Nov 12 2004 - 12:43:50 EST


The black kapton is strong enough in my opinion - the lightguide will not
fall. If anybody could prop it against something it would probably be a
good ideea though...

Adrian

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
>>
>>
>>
>



This archive was generated by hypermail 2.1.2 : Mon Feb 24 2014 - 14:07:32 EST