sPHENIX HCal discussion

[Martin Purschke <purschke AT bnl.gov>]

All,

per John's request, I have moved all 2016-era files on our main file
server at the FTBF (the hcaldaq machine) to /data/testbeam_2016. Same
directory structure underneath.

This takes them out of view for the standard RCF rsync commands, and
speeds things up since you are not seeing thousands of files from last
year.

The areas where we put our new data are unchanged.

        Martin


On 1/15/17 21:17, John Haggerty wrote:
> The MTEST beamline was running over the weekend... until this (Sunday) 
> morning, when a problem developed with a second electrostatic separator. 
>   The plan is to do the repair/replace on this one Tuesday morning.  The 
> message on MI-TV is:
> 
>> MI52 "B" septa problems -- no beam to NM or
>> MT. Replacement work begins 0700 Tuesday.
> 
> which Mandy explains:
> 
>> If you recall, there are 2 septas. They replaced the “A” tank one just 
>> before you arrived with the 2 mil spare. The one that broke today was the 
>> “B” tank, the other original 4 mil septa. They do have a spare (note 
>> though, this is the last spare) 2 mil and that is what they are replacing 
>> starting Tuesday.
>>
>> If the repair on Tuesday goes about the same as the last one, I would 
>> expect beam to return Friday afternoon, although there is a chance it’ll 
>> be ready Thursday evening.
> 
> ...
> 
>> I should also say how this last repair actually went – it took them 2 days 
>> to do the actual replacement, but then it was another day and half to get 
>> the beam tuned well. So I wouldn’t expect beautiful beam until the weekend 
>> after you install. That would be my expectations.
> 
> So again, this doesn't change our plan, since we weren't going to have 
> any beam before Friday anyway, although it does mean that we can start 
> setting up in the MT6.2 enclosure as soon as we want, although we won't 
> have any rigging until Tuesday at the earliest.  I would suggest we just 
> start on that first thing Tuesday morning when the whole team is here, 
> since Monday is a Fermilab holiday, too.
> 
> I was working on the details of the run plan, but we might want to 
> discuss this week the absolute most critical runs that we want to take, 
> and take those at the very beginning... just in case.
> 
> You can learn more about the electrostatic septum with Google, I came 
> across some pictures here:
> 
>> http://muon.fnal.gov/photo-album/Muon-Department-Photo-Album/webalbum/Systems/Septum/2012-06-07-MI52-Septum/index.html
> 


-- 
Martin L. Purschke, Ph.D.        ;   purschke AT bnl.gov
                                 ;   http://www.phenix.bnl.gov/~purschke
                                 ;
Brookhaven National Laboratory   ;   phone: +1-631-344-5244
Physics Department Bldg 510 C    ;   fax:   +1-631-344-3253
Upton, NY 11973-5000             ;   skype: mpurschke
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