Infrared anomalous dimensions at three-loop in the SM from conserved currents
Sign Up to like & getrecommendations! Published in 2024 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2025)050
Abstract: We study the infrared structure of the Standard Model (SM) restricted to the first generation of fermions, including the full SM gauge group, up to three-loop order, and determine the resulting cusp and collinear anomalous… read more here.
Keywords: infrared anomalous; loop conserved; anomalous dimensions; three loop ... See more keywords
New form of the exact NSVZ β-function: the three-loop verification for terms containing Yukawa couplings
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep04(2018)130
Abstract: A bstractWe investigate a recently proposed new form of the exact NSVZ β-function, which relates the β-function to the anomalous dimensions of the quantum gauge superfield, of the Faddeev-Popov ghosts, and of the chiral matter… read more here.
Keywords: exact nsvz; nsvz function; form exact; containing yukawa ... See more keywords
Three-loop massive tadpoles and polylogarithms through weight six
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep08(2017)024
Abstract: A bstractWe evaluate the three-loop massive vacuum bubble diagrams in terms of polylogarithms up to weight six. We also construct the basis of irrational constants being harmonic polylgarithms of arguments ekiπ/3. read more here.
Keywords: weight six; massive tadpoles; loop massive; polylogarithms weight ... See more keywords
On three-loop RGE for the Higgs sector of 2HDM
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep11(2018)154
Abstract: A bstractWe discuss renormalization group equations (RGE) for the parameters of the Higgs sector in general Two-Higgs-Doublet Model (2HDM). We present the three-loop results but consider only contributions due to self-couplings of the Higgs doublets.… read more here.
Keywords: loop rge; higgs sector; rge; rge higgs ... See more keywords
Three-loop contributions to b → sγ associated with the current-current operators
Sign Up to like & getrecommendations! Published in 2024 at "Journal of High Energy Physics"
DOI: 10.1007/jhep11(2024)058
Abstract: In a recent work, we calculated all three-loop diagrams contributing to the decay amplitude for b → sγ where none of the gluons touch the b-leg. In the present paper, we complete the calculation by… read more here.
Keywords: current current; current operators; associated current; three loop ... See more keywords
Three-loop MSSM Higgs-boson mass predictions and regularization by dimensional reduction
Sign Up to like & getrecommendations! Published in 2018 at "Nuclear Physics B"
DOI: 10.1016/j.nuclphysb.2018.08.005
Abstract: Abstract The evaluation of three-loop contributions to the MSSM Higgs-boson mass is considered at the orders enhanced by the strong gauge coupling and top or bottom Yukawa couplings, i.e. at the orders O ( α… read more here.
Keywords: higgs boson; mssm higgs; regularization dimensional; boson mass ... See more keywords
Three-loop effective potential of general scalar theory via differential equations
Sign Up to like & getrecommendations! Published in 2018 at "Nuclear Physics B"
DOI: 10.1016/j.nuclphysb.2018.10.017
Abstract: Abstract We consider the scalar sector of a general renormalizable theory and evaluate the effective potential through three loops analytically. We encounter three-loop vacuum bubble diagrams with up to two masses and six lines, which… read more here.
Keywords: loop effective; theory; effective potential; differential equations ... See more keywords
The polarized three-loop anomalous dimensions from on-shell massive operator matrix elements
Sign Up to like & getrecommendations! Published in 2019 at "Nuclear Physics B"
DOI: 10.1016/j.nuclphysb.2019.114753
Abstract: We calculate all contributions $\propto T_F$ to the polarized three-loop anomalous dimensions in the M-scheme using massive operator matrix elements and compare to results in the literature. This includes the complete anomalous dimensions $\gamma_{qq}^{(2),\rm PS}$… read more here.
Keywords: loop anomalous; anomalous dimensions; massive operator; polarized three ... See more keywords
Lattice-QCD Computable Quark Correlation Functions at Three-Loop Order and Extraction of Splitting Functions.
Sign Up to like & getrecommendations! Published in 2025 at "Physical review letters"
DOI: 10.1103/53ys-3n19
Abstract: We present the first complete next-to-next-to-next-to-leading-order calculation of the matching coefficients that link unpolarized flavor nonsinglet parton distribution functions with lattice QCD computable correlation functions. By using this high-order result, we notice a reduction in… read more here.
Keywords: lattice qcd; correlation functions; three loop; qcd computable ... See more keywords
(g−2)μ,e and the ANITA anomalous events in a three-loop neutrino mass model
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.115006
Abstract: The most recent measurement of the fine structure constant leads to a $2.4\ensuremath{\sigma}$ deviation in the electron anomalous magnetic moment ${g}_{e}\ensuremath{-}2$, while the muon anomalous magnetic moment ${g}_{\ensuremath{\mu}}\ensuremath{-}2$ has a long-standing $3.7\ensuremath{\sigma}$ deviation in the… read more here.
Keywords: anomalous events; ensuremath; three loop; loop neutrino ... See more keywords
Comparison of the EFT hybrid and three-loop fixed-order calculations of the lightest MSSM Higgs boson mass
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.115017
Abstract: The lightest Higgs boson mass of the Minimal Supersymmetric Standard Model has been recently computed diagrammatically at the three-loop order in the whole supersymmetric parameters space of the SUSY-QCD sector. The code FeynHiggs combines one-… read more here.
Keywords: boson mass; order; mass; three loop ... See more keywords