ar X iv : h ep - p h / 00 08 04 8 v 1 4 A ug 2 00 0 Intersections 2000 : What ’ s New in Hadron Physics ∗
نویسنده
چکیده
Hadron physics is that part of QCD dealing with hadron structure and vacuum structure, almost all of which is nonperturbative in nature. Some of the open problems in this field are outlined. We argue that hadron physics is a distinct subfield, no longer within particle physics, and not at all the same as classical nuclear physics. We believe that it needs to be better organized, and that a first step in doing so might be to establish hadron physics as a new division within the American Physical Society.
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ar X iv : h ep - p h / 00 08 26 5 v 1 2 4 A ug 2 00 0 The Dirac Operator Spectrum and Effective Field Theory
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ar X iv : h ep - p h / 00 08 26 5 v 2 2 8 A ug 2 00 0 The Dirac Operator Spectrum and Effective Field Theory
When chiral symmetry is spontaneously broken, the low-energy part of the Dirac operator spectrum can be computed analytically in the chiral limit. The tool is effective field theory or, equivalently in this case, Random Matrix Theory.
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