Matching QCD and HQET heavy-light currents at three loops

DOI10.1016/j.nuclphysb.2010.02.025zbMath1204.81165arXiv0911.3356OpenAlexW2157837753MaRDI QIDQ622697

Sumit K. Garg

Publication date: 3 February 2011

Published in: Nuclear Physics. B (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0911.3356

zbMATH Keywords

radiative correctionsheavy quark effective theory

Mathematics Subject Classification ID

Nuclear physics (81V35) Strong interaction, including quantum chromodynamics (81V05) Perturbative methods of renormalization applied to problems in quantum field theory (81T15)

Related Items (6)

Correlators of heavy-light quark currents in HQET: OPE at three loops ⋮ Lepton polarization asymmetry in \(B*_{ s,d } \rightarrow \mu^+ \mu^-\) with new \(Z^\prime\) couplings ⋮ HQET at order \(1/m\). III. Decay constants in the quenched approximation ⋮ HQET at order \(1/m\). I. Non-perturbative parameters in the quenched approximation ⋮ Simultaneous decoupling of bottom and charm quarks ⋮ THE BEAUTY OF LATTICE PERTURBATION THEORY: THE ROLE OF LATTICE PERTURBATION THEORY IN B PHYSICS

Uses Software

• Axodraw

Cites Work

• Feynman integral evaluation by a sector decomposition approach (FIESTA)
• The four-loop QCD \(\beta\)-function and anomalous dimensions
• Three-loop on-shell Feynman integrals with two masses
• Axodraw.
• Automatic Feynman graph generation
• Relation between the pole and the minimally subtracted mass in dimensional regularization and dimensional reduction to three-loop order
• HIGH-PRECISION CALCULATION OF MULTILOOP FEYNMAN INTEGRALS BY DIFFERENCE EQUATIONS
• HARMONIC POLYLOGARITHMS

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