[Sane-analysis] Abstract for the APS meeting.

[Mark Jones]

Anusha,
       In general it looks fine. I would suggest just stating the Q2 as 
Q2 = 5.75 since we will combine the two settings to improve statistics.
Also I would suggest "Scattered electrons were detected by the Big 
Electron Telescope Array (BETA). BETA consists of a scintillator 
hodoscope, gas Cerenkov detector, lucite hodoscope and lead-glass 
calorimeter. By detecting elastically scatter protons in the High 
Momentum Spectrometer in coincidence with the elastic electrons in the 
BETA, measurement of the elastic double spin asymmetry was done at the 
same time as the inclusive measurement."


                                Mark


anusha at jlab.org wrote:
> Hi all,
>  i am sending the abstract which is i am going to submit for the upcoming
> APS meeting.
> could you please let me know the comments by tomorrow morning.
> 
> and also, i have one more question.
> do we need to submit our abstract individually or all SANE abstracts are
> submitting by one person?
> 
> ************************************************************************
> 
> "Measurement of the proton electric to magnetic form factor ratio with
> polarized target at high momentum transfer"
> 
> Experiment E07-003 (SANE, Spin Asymmetries of the Nucleon Experiment)
> has been carried out in Hall C at Jefferson Lab to study the proton spin
> structure functions with a dynamically polarized ammonia target and
> longitudinally polarized electron beam. Scattered electrons were detected
> by a large-acceptance calorimeter, while elastically recoiling protons
> were simultaneously detected with high resolution with the high-momentum
> spectrometer HMS. Analysis of the HMS data allows to extract the proton
> electric to magnetic form factor ratio at high momentum transfer,
> $Q^2$ = 5.25 and 6.25 (GeV/c)$^2$, from the double spin asymmetry.
> As such, it allows to independently verify the falling of the form factor
> ratio with increasing momentum transfer observed in previous polarization
> transfer measurements.
> Details and status of the analysis will be presented.
> 
> *************************************************************************
> 
> thanks
> Anusha
> 
> 
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-- 
				Mark Jones
				757-269-7733
				jones at jlab.org