2021/03/31 by Victor Ilisie
Computer Science · Physics and Astronomy · #Asymmetry #Computational Physics and Python Applications #Extra dimensions #Higgs boson #Large Hadron Collider #Neutrino Physics Research #Particle physics theoretical and experimental studies #Physics beyond the Standard Model #Standard Model (mathematical formulation) #Two-Higgs-doublet model #Yukawa potential #hep-ph #hep-th
paper · pdf · doi:10.1007/jhep06(2021)109
25 pages, 7 figures. Minor changes made, references updated, some parts of the calculation have been moved to appendices. Matches version to be published in JHEP
openalex created_date 2021/03/15 · arxiv created 2021/05/23 · openalex publication_date 2021/06/01 · arxiv updated 2021/07/07 · openalex updated_date 2026/08/05
A bstract In this work we analyse the forward-backward asymmetry of the h → V f f′ decay in the Aligned two-Higgs Doublet Model. The Standard Model prediction for this asymmetry for V = W is small, as it suffers from Yukawa suppression and is absent for V = Z . This does not necessarily have to hold true in the Aligned model where these contributions can in principle be re-enhanced through the independent alignment factors ς f . In this analysis we conclude that, due to the additional contributions corresponding to the Aligned two-Higgs Doublet Model together with extra sources of CP-violation for the V = Z channel, the Standard Model predictions can be significantly modified in a great region of the parameter space. These deviations, that could be potentially measured at the High Luminosity LHC or future Higgs factories, would be a clear signal of new physics, and would shed new light on the possible extensions of the Standard Model and new sources of CP-violation.