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First lattice calculation of the QED corrections to leptonic decay rates
D. Giusti, V. Lubicz, G. Martinelli +5
The leading-order electromagnetic and strong isospin-breaking corrections to the ratio of and decay rates are evaluated for the first time on the lattice, followi…
matrix elements of the chromomagnetic operator on the lattice
M. Constantinou, M. Costa, R. Frezzotti +5
We present the results of the first lattice QCD calculation of the matrix elements of the chromomagnetic operator , which appears i…
Isospin Breaking in Heavy-Meson Decay Constants
Wolfgang Lucha, Dmitri Melikhov, Silvano Simula
Evaluation of Borelized QCD sum rules in the so-called local-duality limit of infinitely large Borel mass parameter provides an alternate route for extraction of the dependence of…
The pion vector form factor from Lattice QCD at the physical point
C. Alexandrou, S. Bacchio, P. Dimopoulos +9
We present an investigation of the electromagnetic pion form factor, , at small values of the four-momentum transfer ( GeV), based on the gauge c…
HQE parameters from unquenched lattice data on pseudoscalar and vector heavy-light meson masses
Paolo Gambino, Aurora Melis, Silvano Simula
We present a new lattice determination of some of the parameters appearing both in the Operator Product Expansion (OPE) analysis of the inclusive semileptonic -meson decays and…
and semileptonic form factors with twisted mass fermions
Vittorio Lubicz, Lorenzo Riggio, Giorgio Salerno +2
We present a lattice determination of the vector and scalar form factors of the semileptonic decays, which are relevant for the extraction of the CKM matrix element…