[Frost] [EXTERNAL] Re: Brief history of the FROST pi0 E-observable

[Nicholas Zachariou]

One key thing that I would like to emphasize here is that any CLAS-related talk given needs to be approved my the working group, and the CLAS Speakers committee should be notified (for contributed talks) or request approval (for invited talks). This is an ongoing issue and a lot of people still fail getting their talks/results approved by the appropriate PWG and notifying CSC. We are in the process of trying to modify the way the CSC works to minimize this issue, but I just wanted to jump in here and emphasize the importance of these two steps before any talks are given.

Best regards, 
Nick

> On 11 Nov 2019, at 12:20, Michael Dugger <dugger at jlab.org> wrote:
> 
> Stuart,
> 
> The entire issue is about the results being shown at the DNP being in
> serious disagreement with previous results.
> 
> Results that we show to the outside world should be vetted better.
> 
> I think that internal to the FROST group, we can understand that GW is
> having trouble finding documentation on previous analysis efforts.
> However, to the outside world, the newest FROST pi0 E-observable results
> must represent the latest and best efforts of the FROST group.
> 
> Unfortunately, the latest results do not show us in a positive light.
> 
> Take care,
> Michael
> 
>> Hi Mike,
>> 
>> Thanks for taking the time and trouble to remind us all of the timeline
>> of the pi0 E analysis.  As you probably found in your digital
>> archaeology project, very little write-up exists of the old GW analyses
>> beyond Hideko's thesis, and even less in the way of code.  Chan's had to
>> start over to some extent, which has been a bit frustrating for him, but
>> I think now we're planning to have more regular FROST meetings, we can
>> show what he's achieved so far, clear up some of the issues he's having,
>> and keep him on track.
>> 
>> Thanks again to yourself, and the rest of the FROST group, for
>> maintaining an interest in this after all these years, we appreciate it.
>> 
>> Cheers,
>> 
>> Stuart
>> 
>> On 11/11/2019 10:59, Michael Dugger wrote:
>>> Hi,
>>> 
>>> I was doing some archeology on the FROST wiki searching for pi0 E
>>> information. This is a brief history:
>>> 
>>> People working on the pi0 E-observable using FROST data:
>>> 
>>> * Hideko from GW did her dissertation on the measurement but the results
>>> were not of publishable quality
>>> 
>>> * Mike Dugger from ASU worked on the analysis for some time. A
>>> comparison
>>> between Hideko and my stuff can be found in an April 2012 FROST
>>> presentation that can be found at
>>> https://userweb.jlab.org/~dugger/frost/pi0Ev1.pdf
>>> 
>>> * The analysis went back to GW. In November of 2013 I gave all my
>>> analysis
>>> software to Diane Schott. A 2015 update on that analysis can be found at
>>> https://clasweb.jlab.org/rungroups/g9/wiki/index.php/Diane%27s_analysis_page
>>> 
>>> * 2019 Chan Kim has taken over the pi0 analysis for the E-observable.
>>> 
>>> It looks like the newest 2019 GW results are in serious disagreement
>>> with
>>> previous FROST efforts. This is confusing since GW has a long history
>>> with
>>> this reaction. It is almost as if there is absolutely zero memory of
>>> this
>>> effort within the GW group.
>>> 
>>> Take care,
>>> Michael
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> Frost mailing list
>>> Frost at jlab.org
>>> https://mailman.jlab.org/mailman/listinfo/frost
>> 
>> --
>> Dr Stuart Fegan
>> Honorary Research Associate
>> Nuclear Physics Group
>> University of Glasgow
>> (Currently at George Washington University)
>> 
>> E-mail: s.fegan.glasgow at gmail.com
>> 
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> 
> 
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