We study the potential of radiative decays of the Gamma(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 Gamma(1S) data, and is within the reach of KLOE in at least part of the range of couplings suggested by the HyperCP findings.
Mangano, M., Nason, P. (2007). Radiative quarkonium decays and the NMSSM Higgs interpretation of the HyperCP Sigma(+)-> p mu(+) mu(-) events. MODERN PHYSICS LETTERS A, 22(19), 1373-1379 [10.1142/S0217732307023729].
Radiative quarkonium decays and the NMSSM Higgs interpretation of the HyperCP Sigma(+)-> p mu(+) mu(-) events
Nason, Paolo
2007
Abstract
We study the potential of radiative decays of the Gamma(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 Gamma(1S) data, and is within the reach of KLOE in at least part of the range of couplings suggested by the HyperCP findings.
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