[Frost] First data with FROST

Michael Dugger dugger at jlab.org
Sat Jun 4 00:17:08 EDT 2011


Hi,

>From what I can tell from the discussion, we should leave the Kaon curve 
designations as SAID. Let me know if I am wrong about this.

-Michael

On Sat, 4 Jun 2011, Igor Strakovsky wrote:

> Eugene, did you read what I said?  I can repeat that Dick never put
> anything on ssh if he did not feel comfortable.  Then I did not say
> that we will not publish KL and KS, all depends. The current status
> of both KL20 and KS20 is that both solutions are unpublished but
> publicly available. Then, all is up to you. -Igor
>
>
> On Sat, 04 Jun 2011 00:03:09 -0400, Eugene Pasyuk <pasyuk at jlab.org> wrote:
>
>> So, what should we put on the plot then? If it is not published and will
>> not be published, then perhaps we should not show this in public?
>>
>> Igor Strakovsky wrote, On 06/03/11 23:53:
>>> Eugene,
>>>
>>> I am afraid to say that Ron's and my opinions are less different than
>>> one might think. First of all, our group (everybody knows that Dick
>>> was a leader) did a lot of different things. You can find that not
>>> all of them are accessible. The SAID secure-shell has results when
>>> Dick was comfortable with them. So, both KL20 and KS20 are the cases.
>>> We did not publish both KL and KS because we met a problem to determine
>>> resonance parameters. We trying to minimize a theoretical contribution
>>> and did not find a good way to do that for KL and KS. Personally, I
>>> have no problem if somebody will use both KL20 and KS20 as an event
>>> generator for MC or to compare predictions with new measurements
>>>
>>> Igor
>>>
>>>
>>>
>>> On Fri, 03 Jun 2011 22:29:50 -0400, Eugene Pasyuk <pasyuk at jlab.org> wrote:
>>>
>>>> Igor,
>>>>
>>>> Here is what Ron said to me. Could you comment on this?
>>>>
>>>> "I often see people quoting the SAID kaon
>>>> photoproduction analysis. We have nothing
>>>> on our website. (The solution there is from
>>>> Bennhold and Mart). There is a result of
>>>> some games Dick played with the data
>>>> on the ssh site - it has never been published
>>>> and never will be. It is not meant for distribution
>>>> so I wonder why this keeps showing up?"
>>>>
>>>> -Eugene
>>>>
>>>> Igor Strakovsky wrote, On 06/03/11 22:04:
>>>>> Franz,
>>>>>
>>>>> How you know so much about SAID? Who teach you? Yes, both KL20 for
>>>>> gp-->KLambda and KS20 for gp-->KSigma are done back to 2004. Anyway,
>>>>> all recent published measurements which SAID database has shown that
>>>>> most of new data are good for both KL20 and KS20, sure within KL20
>>>>> and KS20 validity which is 2 GeV.
>>>>>
>>>>> Unfortunately, E429 has no relationship with gp-->KL& KS. That is
>>>>> previous solution for gp-->etaP. The recent solution, GE09 has been
>>>>> published recently at
>>>>>
>>>>> Study of the $\gamma p -> \eta p$ reaction with the Crystal Ball
>>>>> detector at the Mainz Microtron(MAMI-C).
>>>>> By Crystal Ball Collaboration at MAMI (E.F. McNicoll et al.).
>>>>> Jul 2010. (Published Sep 2010). 14pp.
>>>>> Published in Phys.Rev.C82:035208,2010.
>>>>> e-Print: arXiv:1007.0777 [nucl-ex]
>>>>>
>>>>> GE09 fitted all published data below 2.9 GeV.
>>>>>
>>>>> Mike, please give me 2 hr to look your slides over
>>>>>
>>>>> Igor
>>>>>
>>>>> On Fri, 3 Jun 2011 20:33:58 -0400 (EDT), Franz Klein<fklein at jlab.org>
>>>>> wrote:
>>>>>
>>>>>>
>>>>>> Mike,
>>>>>>
>>>>>> the draft looks really good.
>>>>>> Please put a clear 'preliminary' sign over the eta, pi+n, K+Lambda
>>>>>> (Sigma,G) data.
>>>>>>
>>>>>> The K+Lambda and K+Sigma0 solutions from SAID are KL20 and KS20 from
>>>>>> 2004
>>>>>> (cf. PRKS104), including g1c (J.McNabb) and SAPHIR data (Bockhorst,
>>>>>> Tran,
>>>>>> Glander). I agree the solution does not the newer data, in particular
>>>>>> no g11a (DSG,P) nor g1c-double pol.(Cx,Cz) but is based on roughly the
>>>>>> same database as the E429 (cf. EP074) solution for eta production.
>>>>>> Furthermore, you are running into the same problem with MAID
>>>>>> (etaMAID and
>>>>>> kaonMAID - besides, the said webpage has only the Mart-Bennhold pole
>>>>>> 'fit'
>>>>>> = kaonMAID)
>>>>>>
>>>>>> Thanks for giving the FROST talk,
>>>>>>
>>>>>> Franz
>>>>>>
>>>>>> On Fri, 3 Jun 2011, Michael Dugger wrote:
>>>>>>
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> I have the most recent version of the User Meeting talk:
>>>>>>> PowerPoint ->
>>>>>>> http://www.jlab.org/~dugger/g9/g9a/userMeetingDuggerV2c.ppt
>>>>>>> pdf -> http://www.jlab.org/~dugger/g9/g9a/userMeetingDuggerV2c.pdf
>>>>>>>
>>>>>>> Please make sure that I spell your name correctly, and that you are OK
>>>>>>> with how your data is presented.
>>>>>>>
>>>>>>> NOTE: We still need to figure out how to refer to the K+ Lambda and K+
>>>>>>> Sigma0 curves that are currently defined as being SAID.
>>>>>>>
>>>>>>> Thanks for your time.
>>>>>>>
>>>>>>> Sincerely,
>>>>>>> Michael
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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
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