Matches in SemOpenAlex for { <https://semopenalex.org/work/W20102512> ?p ?o ?g. }
- W20102512 abstract "We explore the sensitivity of the Higgs decay to four leptons, the so-called golden channel, to higher dimensional loop-induced couplings of the Higgs boson to $ZZ$, $Zensuremath{gamma}$, and $ensuremath{gamma}ensuremath{gamma}$ pairs, allowing for general $CP$ mixtures. The larger standard model tree level coupling $h{Z}^{ensuremath{mu}}{Z}_{ensuremath{mu}}$ is the dominant ``background'' for the loop-induced couplings. However, this large background interferes with the smaller loop-induced couplings, enhancing the sensitivity. We perform a maximum likelihood analysis based on analytic expressions of the fully differential decay width for $hensuremath{rightarrow}4ensuremath{ell}$ ($4ensuremath{ell}ensuremath{equiv}2e2ensuremath{mu},4e,4ensuremath{mu}$), including all interference effects. We find that the spectral shapes induced by Higgs couplings to photons are particularly different than the $h{Z}^{ensuremath{mu}}{Z}_{ensuremath{mu}}$ background leading to enhanced sensitivity to these couplings. We show that even if the $hensuremath{rightarrow}ensuremath{gamma}ensuremath{gamma}$ and $hensuremath{rightarrow}4ensuremath{ell}$ rates agree with that predicted by the standard model, the golden channel has the potential to probe both the $CP$ nature as well as the overall sign of the Higgs coupling to photons well before the end of a high-luminosity LHC." @default.
- W20102512 created "2016-06-24" @default.
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- W20102512 date "2014-11-04" @default.
- W20102512 modified "2023-10-05" @default.
- W20102512 title "Probing the Higgs Couplings to Photons in<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>h</mml:mi><mml:mo stretchy=false>→</mml:mo><mml:mn>4</mml:mn><mml:mo>ℓ</mml:mo></mml:math>at the LHC" @default.
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- W20102512 doi "https://doi.org/10.1103/physrevlett.113.191801" @default.
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