Semileptonic decays of light quarks beyond the Standard Model

By V. Cirigliano, M. González-Alonso, J. B. A. N. Laboratory, U. Valencia. 2009

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We thank the Institute for Nuclear Theory at the University of Washington and the Aspen Center for Physics for their hospitality during the completion of this work. We thank Antonio Pich and Jorge Portoles for useful comments. M.G.-A. thanks A. Filipuzzi for useful comments and discussions and the LANL T-2 Group for its hospitality and partial support. This work has been supported in part by the EU RTN network FLAVIAnet [Contract No. MRTN-CT-2006-035482], by MICINN, Spain [Grants FPU No. AP20050910, FPA2007- 60323 and Consolider-Ingenio 2010 Programme CSD2007-00042 -CPAN-] (M. G.-A.). This work was performed under the auspices of the National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory under Contract No. DE-AC52-06NA25396, and was supported in part by the LANL LDRD program.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/05b760bba71731c79bc726fa3cbaab291ab61816

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Citations in the corpus

Lepton universality violation with lepton flavor conservation in B-meson decays (2015, background): “6) from the high scale to the electro-weak vev (the full anomalous dimension matrix is given in [64–67]), and then down to the B-meson scale [52–55].”
Probing Novel Scalar and Tensor Interactions from (Ultra)Cold Neutrons to the LHC (2011, methodology): “[21] a minimal basis of SU(2)×U(1) invariant dimension-six operators contributing to low-energy charged-current processes was identified (see Appendix A for details).”
Kaon Decays in the Standard Model (2011, background): “Putting all the ingredients together, the predicted SM rates for K → πνν̄ decays can be written as BR(KL → π0νν̄) = κL ( Imλt λ5 X )2 (1− δ ) , (6.2) BR(K+ → π+νν̄) = κ+ (1 + ∆EM) [( Imλt λ5 X )2 + ( Reλt λ5 X + Reλc λ (Pc + δPc,u) )2] , (6.3) where δ = √ 2| | [1 +Pc/(A2λ)− ρ]/η contains the small K”
Opportunities in Flavour Physics at the HL-LHC and HE-LHC (2018, background): “Linearly realized electroweak symmetry breaking, captured by the Standard Model effective field theory (SMEFT) [366,375], also yields the prediction C ′ VR ≡ CVRδ``′ [972,973].”
The SMEFTsim package, theory and tools (2017, unknown): “The U(3)(5) limit used here treats the two flavour contractions (Cllδmn δop +C ′ llδmp δno)(l̄mγμln)(l̄oγ lp) as independent [40].”
Renormalization-group evolution of new physics contributions to (semi)leptonic meson decays (2017, methodology): “[42] using a specific operator basis, which was a slightly modified version of the Buchmuller–Wyler basis [34] with all relevant redundancies taken care of.”
Beta Decays and Non-Standard Interactions in the LHC Era (2013, background): “The resulting constraints on the weak-scale couplings α̂j [45, 47, 37] are comparable to that obtained from Z-pole experiments, and are stronger than the ones obtained from σ(e+e− → qq̄) at LEP.”
Higgs Physics at the HL-LHC and HE-LHC (2019, background): “The flavor indices are trivial, except for the fourlepton operator, CLL = C LL eμμe = C LL μeeμ [755], and are also left implicit.”
Constraining new physics in b → cℓν transitions (2018, background): “An important prediction of this framework is that the Wilson coefficient C`` ′ VR is lepton flavour universal and diagonal [45, 47].”