Which hadronic decay modes are good for {eta}{sub b} searching: Double J/{psi} or something else?
- Institute of High Energy Physics and Theoretical Physics Center for Science Facilities, Chinese Academy of Sciences, Beijing 100049 (China)
It has been controversial whether {eta}{sub b} can be discovered in Tevatron Run 2 through the decay {eta}{sub b}{yields}J/{psi}J/{psi} followed by J/{psi}{yields}{mu}{sup +}{mu}{sup -}. I clear this controversy by an explicit calculation which predicts Br[{eta}{sub b}{yields}J/{psi}J/{psi}] to be of order 10{sup -8}. It is concluded that observing {eta}{sub b} through this decay mode in Tevatron Run 2 may be rather unrealistic. The {eta}{sub b} may be observed in the forthcoming CERN LHC experiments through the 4-lepton channel, if the background events can be significantly reduced by imposing some kinematical cuts. By some rough but plausible considerations, I find that the analogous decay processes {eta}{sub b}{yields}VV, D*D* also have very suppressed branching ratios; nevertheless it may be worth looking for {eta}{sub b} at LHC and Super B factory through the decay modes {eta}{sub b}{yields}K{sub S}K{sup {+-}}{pi}{sup {+-}}, D*D.
- OSTI ID:
- 21250711
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 5 Vol. 78; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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