Prospects of probing new physics in bottomonium decays and spectroscopy
arXiv:hep-ph/0503266
Abstract
A non-standard CP-odd Higgs boson could induce a slight (but observable) lepton universality breaking in Upsilon leptonic decays. Moreover, mixing between such a pseudoscalar Higgs boson and states might shift their mass levels, thereby modifying the values of the hyperfine spplitings predicted in the standard model. Besides, resonances could be broader than expected with potentially negative consequences for discovery in both and hadron colliders. A scenario with a CP violating Higgs sector is also considered. Finally, further strategies to search for a light Higgs particle in bottomonium decays are outlined.
arXiv commentLaTeX, 10 pages, 1 EPS figure
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