[d2n-analysis-talk] Long Paper [Version 1.1]

David Flay flay at jlab.org
Sat Oct 18 16:08:19 EDT 2014


Hi all,

I have made adjustments to the paper as per the comments I have received
thus far -- thank you!  I have also updated our results, where now the
g1/F1 proton fit takes into account the recent Hall B (EG1-DVCS) data. 
The results on both g1/F1 neutron and the flavor-separated quantities
change a little, but well within out statistical precision.  The
systematic error due to the g1/F1 proton fit has been updated accordingly
as well, with small changes resulting for g1/F1 neutron and the flavor
results.  Overall, the up and down quark ratios tend to be smaller in
magnitude.  In particular, the lowest x-bin on the down quark data now has
a value of +0.001, as opposed to -0.006 for the 5-pass data; however, its
statistical error is 0.182.  The result averaged over 4- and 5-pass data
in that bin shows little change.  You can download the latest version,
1.1, here:

https://www.dropbox.com/s/oq8hf1v5bfqquag/LongPaper_v1-10.pdf

Also, if you wish to compare the results for g1/F1 neutron and the flavor
data before and after the inclusion of the CLAS EG1-DVCS data in the g1/F1
proton fit, I have left version 1 available here:

https://www.dropbox.com/s/i700s8ha49hndp2/LongPaper_v1-00.pdf

Please send me your comments and suggestions within the coming week;
afterwards, I would like to circulate it to the larger Hall A
collaboration.

Best regards,

David

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David Flay
University of Massachusetts, Amherst
Post-doctoral Research Associate

Department of Physics
Lederle Graduate Research Tower, Rm 423
University of Massachusetts
710 N Pleasant St
Amherst, MA 01003-9305

office phone: (413) 545-0586
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