[Gdh_lowq2] draft paper on eg4 pion exclusive channel asymmetries

[Xiaochao Zheng]

Dear All:

I'd like to circulate a draft on the EG4 pion exclusive channel asymmetry results. The latest version (v0.2b) can be found at

 https://www.jlab.org/Hall-B/secure/eg4/xiaochao/index_pion.html#11022015

Please take a look and let me know if you have any suggestions and comments.  At the mean time I am also submitting this draft for collaboration review.

Thanks,

Xiaochao