Long-distance contributions to the {eta}{sub b}{yields}J/{psi}J/{psi} decay
Journal Article
·
· Physical Review. D, Particles Fields
- Dipartimento di Scienze Fisiche, Universita di Napoli 'Federico II', Italy and Istituto Nazionale di Fisica Nucleare, Sezione di Napoli (Italy)
It was argued long ago that {eta}{sub b} could be observed through the {eta}{sub b}{yields}J/{psi}({yields}{mu}{sup +}{mu}{sup -})J/{psi}({yields}{mu}{sup +}{mu}{sup -}) decay chain. Recent calculations indicate that the width of {eta}{sub b} into two J/{psi} is almost 3 orders of magnitude smaller than the one into the DD*. We study the effects of final-state interactions due to the DD* intermediate state on the J/{psi}J/{psi} final state. We find that the inclusion of this contribution may enhance the short-distance branching ratio up to about 2 orders of magnitude.
- OSTI ID:
- 21249937
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 7 Vol. 77; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
Similar Records
On the {eta}{sub b}{yields}J/{psi}J/{psi} decay
Decay {eta}{sub b{yields}}J/{psi}J/{psi} in light cone formalism
Search for Invisible Decays of {eta} and {eta}{sup '} in J/{psi}{yields}{phi}{eta} and {phi}{eta}{sup '}
Journal Article
·
Sun Nov 18 23:00:00 EST 2007
· AIP Conference Proceedings
·
OSTI ID:21049371
Decay {eta}{sub b{yields}}J/{psi}J/{psi} in light cone formalism
Journal Article
·
Thu Dec 31 23:00:00 EST 2009
· Physical Review. D, Particles Fields
·
OSTI ID:21408961
Search for Invisible Decays of {eta} and {eta}{sup '} in J/{psi}{yields}{phi}{eta} and {phi}{eta}{sup '}
Journal Article
·
Thu Nov 16 23:00:00 EST 2006
· Physical Review Letters
·
OSTI ID:20861142