[Clascomment] OPT-IN: Measurement of Target and Double-spin Asymmetries for ep->epi+(n) Reaction in the Nucleon Resonance Region at Low Q2

Gail Dodge gdodge at odu.edu
Mon May 23 15:58:19 EDT 2016


HI Xiaochao:

Great job with the paper.  I saw a few typos:

Line 53:  I feel like something is missing after quark models and before you start the sentence about phenomenological models.  For example, maybe it would be good to start a new paragraph and start with the sentence:  "Another approach is to do a fit to world data for meson production from the nucleon."

Line 470:  momentum is spelled wrong

Line 854:  There are only 8 Q2 bins in Fig. 14, not 9. 

Lines 855-859.  The crossing point seems to be phi dependent, especially for the D13.  In fact I would say it crosses for sure only for the Phi = 240 - 300 data.  The other two phi bins seem like the asymmetry just goes to zero.

Fig 13 caption:  1st line says 4 Q2 bins but there are only 3.

It seems like the AUL data clearly prefer the JANR model. Do you want to say that explicitly?  Clearly there is room for improvement.  Any idea why JANR does better?

Great work!
Gail



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