Minutes of the Dragon Meeting for February 1, 2005
Present:DO,DH,JC,CV,LB,AO,WRH,GR,MT,JDA,CR,JP,PM,DG(rec.)
1) Hardware
-there has been a name change of the EPICS controller computer (new name?)
-ED1 is sitting about 10keV above nominal voltage (~180 kV ?)
-trips from time to time
-ED2 sitting with a value of about 170 kV
-an icon has been added to the EPICS page to reset all interlock closed
latches
2) DRAGON GEANT
-dimension of the collimator geometry in GEANT is now correct up to all
points along the tubes that could affect gamma detection
3) 40Ca
-Keerthi has produced a 0.5 nA beam of 40Ca, 2+ out of the source
-see attachment
-next step is to confirm it is actually 40Ca
-he is optimistic about higher currents
4) Beam Requests
-26 out of 41 submitted beam requests involve OLIS
-DRAGON fits in for first running in the middle of March
5) Chris ISAC Forum
-Chris presented his talk for the ISAC forum about an elastic scattering
detector to be mounted in MEBT
-looking for approval to proceed with design
-there was a comment that it would be useful to have the detector for this
year which may determine the simplicity of the design
-the proposal has support from Bob Laxdal
6) 22Mg Branching Rations (Cybele)
-CJ presented various plots of her analysis of the branching ratios in 22Mg
-an outline of the criteria for deciding which data belonged to each
transition was given
-the method involved fitting the appropriate number of gaussians to data
-the data under each of these gaussians was then assigned to a
pariticular transition and the branching ratios were calculated -there
were some concerns about the method but CJ acknowledged there was still
more analysis to be done
7) New Addition to the DRAGON Group Marc Huyes(sp?)
-on a six month sabatical and has expressed interest in running with
DRAGON but his intentions on which group he will be working with is still
not completely clear
8) Summer Students
-a choice has been made for atleast one summer student to work with DRAGON
-her work will most likely involve the 26Al and 23Na
-the question was raised whether another student is needed for 40Ca
-JP and MT expressed that it would be useful to have somebody available
with computing experience to work on GEANT or DAQ related items.
9) 12C+12C
-JP reports progress on the analysis of 12C+12C at York
10) Gamma Ray Array Paper
-DG gave a brief overview of his thoughts for a gamma ray array paper to
be submitted to NIM
-see attachment
-some discussion on what should be included proceeded.
-DG agreed to prepare a rough draft and then more decisions on content
would be made