APS » PROLA » Phys. Rev. D » Volume 41 » Issue 5
< Previous article | Next article >

Phys. Rev. D 41, 1401 - 1409 (1990)

Radiative ϒ(1S) decays

Download: Page Images , PDF (1370 kB), or Buy this Article (Use Article Pack) Export: BibTeX or EndNote (RIS)

R. Fulton et al.
Show All Authors/Affiliations

Received 5 May 1989

We report on a study of exclusive radiative decays of the ϒ(1S) resonance. We have considered decays into final states of the form ϒ→γn(h+h-), with (h+h-) denoting a charged-hadron pair (either π+π-, K+K-, or pp̅ ), and n denoting the number of such pairs in the event. We measure branching ratios for n=2, 3, and 4, and search for structure in the recoiling hadronic system. For the n=1 case, we present upper limits. No evidence is observed for two-body radiative decays of the ϒ(1S) meson in any of the above channels.


©1990 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevD.41.1401
DOI: 10.1103/PhysRevD.41.1401

[ Abstract  |  Previous article  |  Next article  |  Issue 5 ]