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arXiv · 1610.08531

Charm Quark Mass with Calibrated Uncertainty

Jens Erler·Pere Masjuan·Hubert Spiesberger
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Abstract

We determine the charm quark mass $\hat{m}_c$ from QCD sum rules of moments of the vector current correlator calculated in perturbative QCD at ${\cal O} (\hatα_s^3)$. Only experimental data for the charm resonances below the continuum threshold are needed in our approach, while the continuum contribution is determined by requiring self-consistency between various sum rules. Existing data from the continuum region can then be used to bound the theoretic uncertainty. Our result is $\hat{m}_c(\hat{m}_c) = 1272 \pm 8$~MeV for $\hatα_s(M_Z) = 0.1182$.

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Jens Erler, Pere Masjuan, Hubert Spiesberger. 2016-10-26. Charm Quark Mass with Calibrated Uncertainty. https://doi.org/10.1140/epjc%2Fs10052-017-4667-2

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