Keyword: Cutting Rules : Search

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Search name	Searched On	Run search
Keyword: Cutting Rules (1)	31 Mar 2025	Run
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articleNo Access
COMPLEX-MASS SCHEME AND PERTURBATIVE UNITARITY
- T. BAUER,
- J. GEGELIA,
- G. JAPARIDZE, and
- S. SCHERER
International Journal of Modern Physics A06 Dec 2012
Preview Abstract
We derive cutting rules for loop integrals containing propagators with complex masses. Using a field-theoretical model of a heavy vector boson interacting with a light fermion, we demonstrate that the complex-mass scheme respects unitarity order by order in a perturbative expansion provided that the renormalized coupling constant remains real.

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