[Primex2] revised slides for DNP

[Yang Zhang]

Thanks for the comment and article. I will take a look.

Best

Yang

From:  Aron M Bernstein <bernstn at mit.edu>
Date:  Friday, October 30, 2015 at 8:19 AM
To:  Yang Zhang <yzhang132 at gmail.com>
Cc:  Aron M Bernstein <bernstn at mit.edu>, "primex2 at jlab.org" <primex2 at jlab.org>, Jose' Goity <goity at jlab.org>
Subject:  Re: [Primex2] revised slides for DNP

Dear Yang,

   The slides are fine (including the fact that the results are labeled preliminary). There are a few issues that you should be aware of, particularly if there are questions from someone who knows the subject well. The prediction labeled NLO is a firm QCD prediction. This does not apply to the LO term which is only correct in the chiral limit. The Ioffe calculation is only a partial prediction since it only takes the contribution of the eta meson into account and neglects the contribution of the eta’ meson which contributes ~ 1/3 of the effect. 

I’m enclosing my CD15 contribution which also comments on the pi0 lifetime and briefly summarizes our RMP review article. 

regards,
Aron

Aron M. Bernstein
Professor of Physics, Emeritus
MIT
Cambridge, MA 02139
office: 26-419
617-253-2386


On Oct 26, 2015, at 10:36 PM, Yang Zhang <yzhang132 at gmail.com> wrote:

Dear All,

I updated the slides according to people's comment. Please let me know if you have more suggestion.

https://www.jlab.org/primex/weekly_meetings/primexII/slides_2015_10_23/DNP-15_yang_revised.pdf

Best

Yang
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