Testing for light Higgs particles

Abstract
We discuss phenomenological limits on a light Higgs boson. The processes K→eνH and ψ’→ψH are considered in the light of recent experimental and theoretical developments. It is argued that it is hard to rule out convincingly a light Higgs boson of mass greater than 20 MeV. Comparison with the prospects from the Wilczek process ψ→γH is made.

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