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Heavy Quarkonium Spectrum at {cal O}(α_s⁵m_q) and Bottom/Top Quark Mass Determination
classification
hep-ph
keywords
massquarkalphabottomenergyheavyquarkoniumresonance
read the original abstract
We present the next-to-next-to-next-to-leading ${\cal O}(\alpha_s^5m_q)$ result for the ground state energy of a heavy quarkonium system. On the basis of this result we determine the bottom quark mass from $\Upsilon(1S)$ resonance and provide an explicit formula relating the top quark mass to the resonance energy in $t\bar t$ threshold production.
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