Neutrinoless double beta decay and QCD corrections

Abstract

We consider one loop QCD corrections and renormalization group running of the neutrinoless double beta decay amplitude focusing on the short-range part of the amplitude (without the light neutrino exchange) and find that these corrections can be sizeable. Depending on the operator under consideration, there can be moderate to large cancellations or significant enhancements. We discuss several specific examples in this context. Such large corrections will lead to significant shifts in the half-life estimates which currently are known to be plagued with the uncertainties due to nuclear physics inputs to the physical matrix elements.

5 pages, 1 eps figure; minor changes, references added

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• Analysis of Light Neutrino Exchange and Short-Range Mechanisms in $0\nu \beta \beta$ Decay
• Neutrinoless Double Beta Decay and the Baryon Asymmetry of the Universe
• TeV Lepton Number Violation: From Neutrinoless Double Beta Decay to the LHC
• QCD running in neutrinoless double beta decay: Short-range mechanisms
• Long-range contributions to double beta decay revisited
• QCD-improved limits from neutrinoless double beta decay
• QCD Corrections and Long-Range Mechanisms of neutrinoless double beta decay
• Limiting the Effective Mass and New Physics Parameters from $0\nu \beta \beta$
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• Charged Higgs contribution to $0\nu 2\beta$ decay
• The Neutrinoless Double Beta Decay in the Colored Zee-Babu Model
• QCD Running in Lepton Number Violating Meson and Tau Decays
• $\rho$ exchange contribution to neutrinoless double beta decay