Journal
PHYSICS LETTERS B
Volume 737, Issue -, Pages 366-368Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2014.09.019
Keywords
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Funding
- NSF of China [11075149, 11235010]
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Rare decays h -> ZV with V denoting the narrow c (c) over bar or b (b) over bar resonances, such as J/Psi or Upsilon states, have been analyzed. Within the standard model, these channels may proceed through the tree-level transition h -> ZZ* with the virtual Z* -> V, and also loop-induced process h -> Z gamma*, followed by gamma* -> V. Our analysis shows that, for the bottomonium final states, the decay rate of h -> Z Upsilon from the loop-induced process is small and the former transition gives the dominant contribution; while, for the charmonium final states, G(h -> Z J/Psi) and Gamma(h -> Z Psi(2S)) induced by h -> Z gamma* -> ZV could be comparable to the contribution given by the tree-level h -> ZZ* -> ZV transition. (C) 2014 The Author. Published by Elsevier B.V.
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