[Clas_cascades] Minutes 9/9/2010

[Igor Strakovsky]

Dear Elton,

I am afraid that you missed my question which I sent with my 
comments/questions
addressed to Zhiwen a week ago

Thanks, Igor



< Elton,
<
< Recently, your committee complained to the ODU analysis that ODU uses
< t-cut.  Now your suggestion to Zhiwen is to do t-cut.  Did you change
< your mind?
<
< Thanks, Igor


On Thu, 2 Sep 2010 09:29:21 -0400 (EDT), Elton Smith <elton at jlab.org> wrote:

> 
> Present: Elton, Hovanes, Zhiwen, Kijun, Stepan
> On the phone: Ralf <br>
> Notes by Elton.
> 
> == Announcements==
> # Hovanes will run the next meeting, 8:00 am Sep 9
> 
> == Draft of Phi-- Paper (Hovanes) ==
> # Started including sections of the analysis note and submitted to cvs,
> but not yet ready for other input
> # There will be quite a long sections included, but they can then be cut
> back
> # Asked whether there should be discussions of two sets of cuts (liberal
> and conservative): Elton: Focus on the set of cuts used for the upper
> limit. It makes the paper simpler and easier to read.
> # Stepan: Compare results to normal cascade cross sections
> 
> == Theta+ (Zhiwen) ==
> # Started looking at g n -> K-K0p(p), with Theta+ -> K0p.
> # Advantages of eg3 are better acceptance for K- in forward direction, and
> larger overlap with LEPS kinematics compared to other CLAS analyses
> # Invariant mass plots of (K0p) shown. No indication of a peak in the
> region close to 1530-1540.
> # Stepan: list of cuts to consider are a) Missing mass peak b) photon
> energy cuts c) t-cuts.
> # Elton: Suggests to only use missing mass cut for primary mass spectrum,
> and use t-ranges as a selection only to compare to LEPS data.
> # Elton: Try to get an estimate of an upper limit to see if it is
> competitive with LEPS published results.
> 
> == Next Meeting Sep 9, 8:00 am ==
> # Phi-- Draft of paper (Hovanes)
> # Theta+ update (Zhiwen)
> # Analysis note for Lambda(1520)?
> 
> 
> Elton Smith
> Jefferson Lab MS 12H5
> 12000 Jefferson Ave
> Suite # 16
> Newport News, VA 23606
> elton at jlab.org
> (757) 269-7625
> (757) 269-6331 fax
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Igor Strakovsky, SAID CNS The George Washington University
Tel: 703-726-8344(NV),202-994-4742(FB),Skype: igors1945_2
Fax: 202-994-3001(FB),Emails: igor at va.gwu.edu, igor at jlab.org