Title

Search for eta(b) in the CLEO-II Upsilon(3S) and Upsilon(2S) data

Date of Award

2003

Degree Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Department

Physics

Advisor(s)

Towasz Skwarnicki

Keywords

Upsilon meson, Eta mesons, Supersymmetry, Branching ratios

Subject Categories

Elementary Particles and Fields and String Theory | Physical Sciences and Mathematics | Physics

Abstract

We searched for η b via hindered M1 transitions Υ(3 S ) [arrow right] γη b and Υ(2 S ) [arrow right] γη b using CLEO-II data. No significant evidence for such transitions was found, and we set upper limits on the corresponding branching ratios that contradict many phenomenological estimates for the rates of these transitions.

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