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Propagation of Hadrons Through the Nuclear Medium

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Introduction<br />

We know QCD works, but <strong>the</strong>re is<br />

no consensus on how it works<br />

pQCD mechanisms dominate<br />

at high energies and small<br />

distances<br />

what energy is high enough<br />

for pQCD to be unambiguously<br />

applicable<br />

A Sample <strong>of</strong> Questions under Investigation<br />

+ What is <strong>the</strong> mechanism <strong>of</strong> confinement?<br />

+ Where does <strong>the</strong> q-q interaction make a transition from <strong>the</strong> confinement<br />

to <strong>the</strong> perturbative QCD regime (understand N-N force in terms <strong>of</strong> QCD)?<br />

+ How does <strong>the</strong> nucleon shape, mass, spin etc come about from <strong>the</strong><br />

quarks/anti-quarks and gluons (How hadrons are constructed)?<br />

+ Do quarks and gluons play any direct role in <strong>Nuclear</strong> Matter?<br />

Exploring <strong>the</strong>se questions is part <strong>of</strong> JLab's scientific mission

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