[Jlab-seminars] Theory Center Seminar (See Revised EARLIER Time)

[Mary Fox]

Theory Center Seminar
Mon., March 5, 2012
CEBAF Center, B207
*11:00 a.m. (coffee at 10:45 a.m.)*


*Time-Reversal Violation in the Nucleon and Light Nuclei *

U. van Kolck
Universite de Paris-Sud and University of Arizona)

A new generation of experiments is being planned with a significant 
improvement in the sensitivity to electric dipole moments (EDMs) of  the 
nucleon and light nuclei. Possible signals in these measurements  would 
reflect time-reversal violation (TV) beyond that stemming from  the 
phase of the CKM matrix. Could we then infer the origin of TV at  the 
quark/gluon level?

I describe our on-going program to relate nucleon and light-nuclear TV 
observables to various TV sources, such as the QCD theta term, quark 
EDMs, quark and gluon color-EDMs, etc. We use the effective field theory 
of QCD that is applicable to hadronic momenta of order of the pion mass 
- a generalization of chiral perturbation theory - and can handle one- 
and many-nucleon physics consistently. I argue that light nuclei could 
offer the key to disentangle TV sources.
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