Radiative quarkonium decays and the NMSSM Higgs interpretation of the HyperCP Sigma+ --> p mu+mu- events

Abstract

We study the potential of radiative decays of the Upsilon(1S) and of the phi mesons to search for a light pseudoscalar Higgs boson, proposed as a possible interpretation of Sigma+ --> p mu+mu- events observed by the HyperCP collaboration at Fermilab. We conclude that the detection of this signal should certainly be possible with the current CLEO Upsilon(1S) data, and is within the reach of KLOE in at least part of the range of couplings suggested by the HyperCP findings.

6 pages, no figures

References in corpus (3)

• Has HyperCP Observed a Light Higgs Boson?
• Light Higgs Production in Hyperon Decay
• More about sgoldstino interpretation of HyperCP events

Cited by in corpus (11)

• Flavor probes of axion-like particles
• Quark Flavor Phenomenology of the QCD Axion
• Charming ALPs
• Constraining Light Bosons with Radiative ${\rm Y}(1S)$ Decays
• The PAMELA excess from neutralino annihilation in the NMSSM
• Spectroscopy, leptonic decays and the nature of heavy quarkonia
• Search for a $CP$-odd light Higgs boson in $J/\psi \to \gamma A^0$
• Contributions from SUSY-FCNC couplings to the interpretation of the HyperCP events for the decay Σ^+ \to p μ^+ μ^-
• Rare Decays with a Light CP-Odd Higgs Boson in the NMSSM
• Search for a light Higgs boson in single-photon decays of ${\rm Y}(1S)$ using ${\rm Y}(2S)\to {\pi }^{+}{\pi }^{-}{\rm Y}(1S)$ tagging method
• Observation of the very rare ${\Sigma }^{+}\to p{\mu }^{+}{\mu }^{-}$ decay