[Clascomment] OPT-IN: Resolving the proton form factor problem by comparing electron and positron scattering from the proton

[Larry Weinstein]

Dear Mac, Mike, and Marco,

Here are the final versions of the PRL paper draft and the supplementary 
material.  The collaboration comments were excellent, but mainly 
concerned minor details of grammar and syntax.  The primary changes are 
that we have (1) toned down the title and (2) changed the description of 
the statistical significance from a straight line fit to a true 
confidence interval.  We now claim

    Our data points plus the previous ε = 0 point [36] prefer the
    hadronic TPE calculation Ref. [17] by 2.5σover the no-TPE (R′ = 0)
    hypothesis. A calculation of TPE effects on a structureless point
    proton is disfavored by almost 5σ. Our results are consistent with
    the theoret- ical calculations and are more precise than the
    previousworld’s measurements.

We are producing versions of figs 1 and 2 with larger labels and higher 
resolution and will include them prior to publication.  If desired, we 
can include a version of Fig 2 showing the high-epsilon bins in the 
supplementary materials.

We request permission to submit this paper to PRL.

-- 
				Sincerely,
				Larry

-----------------------------------------------------------
Lawrence Weinstein
University Professor
Physics Department
Old Dominion University
Norfolk, VA 23529
757 683 5803
757 683 3038 (fax)
weinstein at odu.edu
http://www.lions.odu.edu/~lweinste/

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