[g2p_ana] Abstract for SPIN2016

Jixie Zhang jixie at jlab.org
Mon Jul 11 17:34:14 EDT 2016


Dear g2ps,
  I am going to present a talk about g2p in the coming SPIN2016
(http://www.indiana.edu/~spin2016/)

Attached is the draft of my abstract (or read the tex code below).
All comments are welcome.

Tex code start:
============================================
Measurements of the nucleon spin-dependent structure functions have been
proven to
be powerful tools to test the validity of effective theories of Quantum
Chromodynamics (QCD).
The neutron spin structure functions, $g_{1}^{n}$ and $g_{2}^{n}$, and the
proton spin structure function,
$g_{1}^{p}$, have been measured over a wide kinematic range. However, the
proton spin structure function,
$g_{2}^{p}$, has not.
Recently an experiment (E08-027, also named G2P) is carried out at
Jefferson Lab Hall A
to measure the proton $g_2$ structure function in the low momentum transfer
region covering
$0.02 < Q^2 < 0.20 \space (GeV^2)$.
This experiment allows us not only to extract the generalized
longitudinal-transverse spin polarizability ($\delta^{LT}$)
then give a benchmark test to the Chiral Perturbation Theory ($\chi^{PT}$)
in this kinematic region,
but also test the Burkhardt-Cottingham sum rule at low $Q^2$.
The details of the experiment and the preliminary results will be present.

============================================
Tex code end.
-- 
With Best Regards,
Jixie Zhang
757-269-7735
_______________________________________________
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