To study the Higgs boson decay into a Z0-boson pair with large momenta, analytical preparation is performed based on the study of the asymptotic expression for the Higgs-boson scattering amplitude in the ladder approximation. To formulate the computational model in the ladder approximation, the Bethe–Salpeter equation with a minimum perturbative kernel has been used. The asymptotic solution of this equation at high energies has been obtained.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 101–105, September, 2022.
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Agamalieva, L.A., Amirova, L.I., Jafarov, R.G. et al. To a Solution of the Model Bethe–Salpeter Equation for the Higgs-Boson Scattering Amplitude. Russ Phys J 65, 1532–1537 (2023). https://doi.org/10.1007/s11182-023-02798-3
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DOI: https://doi.org/10.1007/s11182-023-02798-3