[Frost] Material for deuteron runs

[Bill Briscoe]

Trityl doped or standard?

> What material do we have for the deuteron runs?
> 
> ----- Original Message -----
> From: Igor Strakovsky <igor at va.gwu.edu>
> Date: Tuesday, May 25, 2010 12:53 am
> Subject: Re: [Frost] Two cents worth
> To: Michael Dugger <dugger at jlab.org>, Bill Briscoe <briscoe at gwu.edu>
> Cc: frost at jlab.org
> 
> > Mike, it would be great if you can do that
> > 
> > See you tomorrow, sorry today, Igor
> > 
> > On Tue, 25 May 2010 00:04:11 -0400 (EDT), Michael Dugger 
> > <dugger at jlab.org> 
> > wrote:
> > 
> > > 
> > > Yes: gamma n -> pi- p. Thanks for catching that :)
> > > 
> > > I think the best way to deal with this is to take this as an 
> > extension of 
> > > g9b. This means that the extension would be calibrated with the 
> g9b 
> > data. 
> > > I don't think there is enough manpower to treat the extension as a 
> 
> > > separate running period with separate cooks and calibrations.
> > > 
> > > If we were to cook and calibrate the data as g9b data, I would 
> like 
> > to 
> > > analyze the gamma n -> pi- p reaction. I am in good position to do 
> this.
> > > 
> > > Any disagreements?
> > > 
> > > -Michael
> > > 
> > > On Mon, 24 May 2010, Bill Briscoe wrote:
> > > 
> > >> Hi Mike,
> > >>
> > >> I believe you mean gamma n -> pi- p. Yes, I believe that this is 
> a 
> > unique 
> > >>opportunity that should not be lost. We should look for the best 
> > physics to 
> > >>get out of this in a short time. I agree with Barry that we should 
> 
> > not hunt 
> > >>for peaks, but look where we are sure to see something. This might 
> 
> > lead to 
> > >>the allocation of more time if that is possible.
> > >>
> > >> Bill
> > >>
> > >> ----- Original Message -----
> > >> From: Michael Dugger <dugger at jlab.org>
> > >> Date: Monday, May 24, 2010 11:07 pm
> > >> Subject: [Frost] Two cents worth
> > >> To: frost at jlab.org
> > >>
> > >>> Somewhat obvious stuff:
> > >>> * Running FROST with a deuteron target for three weeks without having
> > >>> to
> > >>> go through the PAC is a unique opportunity.
> > >>> * There is only enough time to run at one coherent edge energy.
> > >>> * We have to figure out the best possible physics motivation to
> > >>> determine
> > >>> the edge energy to run at.
> > >>> * At the lower energies we are almost guaranteed of getting a usable
> > >>> signal for gamma p -> pi- p.
> > >>>
> > >>> An issue we need to address: Who is going to analyze the data? There
> > >>> is a
> > >>> real possibility that the person who does pi- p will be the only 
> one
> > >>> to
> > >>> get any usable physics. Is that enough motivation for the effort 
> of
> > >>> all
> > >>> involved?
> > >>>
> > >>> -Michael
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