[b1_ana] draft V3

[Karl Slifer]

Hi Oscar,

OK, sorry I misinterpreted your email.  I've attached the draft.

best,

 Karl

---
Karl J. Slifer
Assistant Professor
University of New Hampshire
Telephone : 603-722-0695


On Sat, May 4, 2013 at 8:37 PM, Oscar Rondon-Aramayo <
or at cms.mail.virginia.edu> wrote:

> Hi Karl,
>
> First, I can't open the pdf. It says it's damaged.
>
> Next, I'm not leaning to going back to the difference of counts. I'm saying
> that
> whether we present it as an Azz measurement or a b1 one, the only method is
> the difference of counts. That is what Steve is saying too.
>
> To move the proposal forward, I just suggest that we use the estimates of
> the drifts of the charge calibration and efficiency stability I mentioned
> in
> my previous e-mail: combined 0.4% to have an absolute error 1/2 of HERMES's
> at x = 0.45.
>
> What we need to confirm from JP or Alexandre is if the BCM's are stable to
> ~0.3% over a day. According to Dustin, JP claims 1% detector stability over
> 90 days, so 0.1% in a day is OK.
>
> I'll explain the issue of the difference of counts in a follow up message.
>
> Cheers,
>
> Oscar
>
>
>
>
>
>
>
> On Sat, 4 May 2013 18:47:45 -0400
>   Karl Slifer <karl.slifer at unh.edu> wrote:
> > Hi All,
> >
> > I've posted the updated draft at
> >
> > https://dl.dropboxusercontent.com/u/59933793/tensor_b1_v03.pdf
> >
> > There is some lagtime for implementation, but I think this reflects
> pretty
> > well where our discussion was about 24 hours ago.  However, we still
> need:
> >
> > -updated rates/kin plots from Ellie or Patricia and values for the table
> >
> > -some consensus on how to address Steve's comments.
> >
> > It seems we have three options with time running short.
> >
> > 1) List all possible factors that drift with time and atleast sketch a
> plan
> > to deal with them.
> >
> > 2) go back to difference of counts.
> >
> > 3) Cancel submission and work on this for next PAC.
> >
> > I lean to the first, Oscar leans to the second.  I'd very much like to
> find
> > some consensus on this.  Am I the only one still nerding it up in front
> of
> > my computer on this beautiful spring day?
> >
> > -Karl
> >
> > PS : If anyone makes suggestions for changes I would very much appreciate
> > that they be in a form that I can put into the document quickly.
> >
> > ---
> > Karl J. Slifer
> > Assistant Professor
> > University of New Hampshire
> > Telephone : 603-722-0695
>
> _______________________________________________
> b1_ana mailing list
> b1_ana at jlab.org
> https://mailman.jlab.org/mailman/listinfo/b1_ana
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://mailman.jlab.org/pipermail/b1_ana/attachments/20130504/38908a70/attachment-0001.html 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: tensor_b1_v03.pdf
Type: application/pdf
Size: 1192887 bytes
Desc: not available
Url : https://mailman.jlab.org/pipermail/b1_ana/attachments/20130504/38908a70/attachment-0001.pdf