Results 81 to 90 of about 25,070 (157)
Constraints on subleading interactions in beta decay Lagrangian
Journal of High Energy PhysicsWe discuss the effective field theory (EFT) for nuclear beta decay. The general quark-level EFT describing charged-current interactions between quarks and leptons is matched to the nucleon-level non-relativistic EFT at the O MeV $$ \mathcal{O}\left ...
Adam Falkowski +3 more
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Scattering amplitudes from Euclidean correlators: Haag-Ruelle theory and approximation formulae
Journal of High Energy PhysicsIn this work we provide a non-perturbative solution to the theoretical problem of extracting scattering amplitudes from Euclidean correlators in infinite volume. We work within the solid axiomatic framework of the Haag-Ruelle scattering theory and derive
Agostino Patella, Nazario Tantalo
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Standard Model predictions for rare K and B decays without new physics infection. [PDF]
Eur Phys J C Part Fields, 2023 Buras AJ.
europepmc +1 more source
Position-space renormalization schemes for four-quark operators in HQET
Journal of High Energy PhysicsX-space schemes are gauge-invariant, regulator-independent renormalization schemes that are defined by requiring position-space correlation functions of gauge-invariant operators to be equal to their noninteracting values at particular kinematic points ...
Joshua Lin +2 more
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Study of the standard model with weak decays of charmed hadrons at BESIII. [PDF]
Natl Sci Rev, 2021 Li HB, Lyu XR.
europepmc +1 more source
Journal of High Energy PhysicsWe study the available data on exclusive leptonic and semileptonic c → sℓ + ν decays within the Standard Model and beyond. Our analysis accounts for theory correlations between the relevant hadronic matrix elements through application of dispersive ...
Carolina Bolognani +3 more
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New physics searches at the BESIII experiment. [PDF]
Natl Sci Rev, 2021 Chen S, Olsen SL.
europepmc +1 more source
Towards a global analysis of the b → c u ¯ q $$ b\to c\overline{u}q $$ puzzle
Journal of High Energy PhysicsWe study the nonleptonic decays B ¯ s 0 → D s ∗ + π − $$ {\overline{B}}_s^0\to {D}_s^{\left(\ast \right)+}{\pi}^{-} $$ and B ¯ 0 → D ∗ + K − $$ {\overline{B}}^0\to {D}^{\left(\ast \right)+}{K}^{-} $$ within the Weak Effective Theory (WET) up to mass ...
Stefan Meiser +2 more
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Quark flavor physics and lattice QCD. [PDF]
Eur Phys J A Hadron Nucl, 2021 Wingate M.
europepmc +1 more source