2014/09/30 by G. J. Gounaris, F. M. Renard · 9 citations
Physics and Astronomy · #Amplitude #Black Holes and Theoretical Physics #Helicity #Higgs boson #Optics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1103/physrevd.90.073007
published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 90(7) (American Physical Society) · 38 pages, 57 figures. Paper has already appeared in Phys. Rev. D90, 073007 (2014 . Some misprints in Eqs.(B.17) have been corrected
openalex publication_date 2014/10/23 · arxiv created 2015/02/15 · arxiv updated 2015/06/22 · openalex created_date 2022/05/12 · openalex updated_date 2026/08/05
We study the process e^\ensuremath-e+\ensuremath→ZH where H represents the standard model (SM) Higgs particle HSM, or the minimal supersymmetric standard model (MSSM) ones h0 and H0. In each case, we compute the one-loop effects and establish very simple expressions, called supersimple (sim), for the helicity-conserving (dominant) and the helicity-violating (suppressed) amplitudes. Such expressions are then used to construct various cross sections and asymmetries, involving polarized or unpolarized beams and Z-polarization measurements. We examine the adequacy of such expressions to distinguish SM from MSSM effects or from other types of beyond the standard model contributions.