Abstract
Abstract Two decay channels h → γγ, Zγ of the Standard Model–like Higgs in a left-right symmetry model are investigated using recent experimental data. We show that there exist one-loop contributions that affect the h → Zγ amplitude, but not the h → γγ amplitude. From numerical investigations, we show that the signal strength μZγ of the decay h → Zγ is still constrained strictly by that of h → γγ, namely |Δμγγ| < 38% results in maximum |ΔμZγ| < 46%. On the other hand, the future experimental sensitivity |Δμγγ| = 4% still allows |ΔμZγ| to reach values larger than the expected sensitivity of |ΔμZγ| = 23%.
Published Version
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