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Prog. Theor. Phys. Supplement No.85 (1985) pp. 111-120

[ Full Text PDF : FREE ACCESS (855K) ]

The Pion Mass: Looking for Its Origins

Roberto D. Peccei

DESY, Hamburg, Fed. Rep. of Germany

Abstract:

After explaining why pions are special excitations in QCD, I discuss how the pion mass reflects directly the dynamical scale of the strong interactions (ΛQCD) and the scale of breaking of the weak interactions (ΛF). To actually calculate the pion mass, however, requires understanding the origin of the quark masses and so I compare and contrast approaches to this latter problem, based on composite models and on superstrings.


URL : http://ptp.ipap.jp/link?PTPS/85/111/
DOI : 10.1143/PTPS.85.111

[ Full Text PDF : FREE ACCESS (855K) ] Citation:

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