期刊
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷 29, 期 9, 页码 2303-2309出版社
IOP PUBLISHING LTD
DOI: 10.1088/0954-3899/29/9/322
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In the simple model of interacting pseudoscalar and fermion fields it is demonstrated that using an appropriately chosen renormalization condition one can have consistent power counting for multi-loop diagrams within the relativistic baryon chiral perturbation theory. Explicit calculations are performed for a two-loop diagram contributing to fermion self-energy.
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