[Jlab-seminars] Theory Center Seminar (at CNU)

[Mary Fox]

Theory Center Seminar
Monday, March 6, 2017
1:00 p.m.

CNU Luter Hall, Room 121
/(Please allow 20 minutes to travel from JLab)/

Zohreh Davoudi
MIT

*Lattice QCD and Few-Body Observables*

At the core of nuclear physics is understanding complex phenomena 
occurring in the hottest and
densest known environments in nature, and  unraveling the mystery of the 
dark sector and other
new physics possibilities. Nuclear physicists are expected to predict, 
with certainty, the reaction rates
relevant to star evolutions and nuclear energy research, and to obtain 
the “standard” effects in nuclei
to reveal information about the “non-standard” sector. To achieve such 
certainty, the field has gradually
started to eliminate its reliance on the phenomenological models and has 
entered an era where the
underlying interactions are "effectively" based on the Standard Model of 
particle physics, in particular
Quantum Chromodynamics (QCD). The few-nucleon systems can now emerge 
directly from the quark
and gluon degrees of freedom and with only QCD interactions in play, 
using the numerical method of
lattice QCD. Few-body observable, such as few-hadron interactions and 
scattering amplitudes, as well
transition amplitudes and reaction rates, have been the focus of this 
vastly growing field. Once obtained
from QCD, and matched to effective field theories, these can advance and 
improve the nuclear many-body
calculations of exceedingly more complex systems. This talk will 
demonstrate this road map, with a great
focus on the progress in few-body observables from QCD.
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