Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-01-19
Phys.Rev.D48:1212-1219,1993
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages (Latex), 2 figures (not included) available on request from Sun Myong Kim. UMN-TH-1122/92
Scientific paper
10.1103/PhysRevD.48.1212
Assuming the QCD multipole expansion is applicable to hadronic transitions of Upsilon(3S) into lower level bottomonia, we consider the possibility that Upsilon(3S) has a D-wave component. This assumption leads to a natural explanation of the pi-pi spectrum in Upsilon(3S) -> Upsilon(1S) pi-pi. Consequences of this assumption on other hadronic and radiative transitions of Upsilon(3S) are also discussed in the same context.
Chakravarty Sumantra
Kim Sun Myong
Ko Pyungwon
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