[Clas12_verystrange] Very Strange Proposal

[Igor Strakovsky]

I would be very interesting to hear what Johann will say

On Mon, 2 Apr 2012 15:37:03 -0400, Lei Guo <lguo at jlab.org> wrote:

> This is good stuff, and it shows that we dont' have to use gamma p--> 
>K+K+pi- (X) to observe Xi0 or Xi0(*). However, there is a bit issue here. 
>THere is a small section of the Xi doublet mass splitting in our proposal, 
>and it is possible the Xi0 mass is not measured that accurately. The 
>difference between g11 and g12 now is about 7MeV, and this would have to be 
>reconciled soon. The good news is that Johann/Mike Kunkel has just finalized 
>the beam/momentum corrections for g12. The bad news is that for g12, prior to 
>corrections, the missing masses are typically several MeV low, while Moskov's 
>plot shows that it's 7MeV too high.
> 
> Maybe Johann can comment on this.
> 
> Lei
> On Apr 1, 2012, at 10:55 AM, Igor Strakovsky wrote:
> 
>> Dear All,
>>
>> First of all - thank you very much, Moskov, for sending your extraction 
>>Xi(1320)
>> from g11 and g12 (see attached).  I put png plots in to svn and think that 
>>we
>> have to include them in to the very strange proposal.
>>
>> Cheers, Igor
>> <xi0_1320_g11.pdf><xi0_1320_g12.pdf>
> 
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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