Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2001-04-12
Pramana 57:251-262,2001
Physics
Nuclear Physics
Nuclear Theory
Presented by A.W. Thomas at the Int. Symposium on Nuclear Physics Mumbai (Dec. 2000)
Scientific paper
10.1007/s12043-001-0036-6
Rather than regarding the restriction of current lattice QCD simulations to quark masses that are 5--10 times larger than those observed, we note that this presents a wonderful opportunity to deepen our understanding of QCD. Just as it has been possible to learn a great deal about QCD by treating $N_c$ as a variable, so the study of hadron properties as a function of quark mass is leading us to a much deeper appreciation of hadron structure. As examples we cite recent progress in using the chiral properties of QCD to connect hadron masses, magnetic moments, charge radii and structure functions calculated at large quark masses within lattice QCD with the values observed physically.
Detmold William
Leinweber Derek B. .
Melnitchouk Wally
Thomas Anthony W.
Wright Stewart V.
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