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arxiv: nucl-th/9611046 · v2 · submitted 1996-11-23 · ⚛️ nucl-th · hep-ph

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Vacuum Nucleon Loops and Naturalness

R. J. Furnstahl (Ohio State) , Brian D. Serot (Indiana) , Hua-Bin Tang (Minnesota)
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classification ⚛️ nucl-th hep-ph
keywords vacuumcontributionseffectivenaturalnessaccommodatesadequatelyanalysisapplicability
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Phenomenological studies support the applicability of naturalness and naive dimensional analysis to hadronic effective lagrangians for nuclei. However, one-baryon-loop vacuum contributions in renormalizable models give rise to unnatural coefficients, which indicates that the quantum vacuum is not described adequately. The effective lagrangian framework accommodates a more general characterization of vacuum contributions without reference to a Dirac sea of nucleons.

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