Radiative decay of Upsilon(nS) into S-wave sbottomonium

Details Radiative decay of Upsilon(nS) into S-wave sbottomonium Radiative decay of Upsilon(nS) into S-wave sbottomonium

2002-06-13

arxiv.org/abs/hep-ph/0206115v3

Phys.Lett.B552:223-228,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 figs, normalizations in Eqs. (12) & (13) corrected, figs. 2 & 3 replaced, published version

Scientific paper

10.1016/S0370-2693(02)03127-1

A calculation is presented of the radiative decay of the Upsilon(nS) into a bound state of bottom squarks. Predictions are provided of the branching fraction as a function of the masses of the bottom squark and the gluino. Branching fractions as large as several times 10^{-4} are obtained for supersymmetric particle masses in the range suggested by the analysis of bottom-quark production cross sections. Data are shown that limit the range of allowed masses. Forthcoming high-statistics data from the CLEO Collaboration offer possibilities of discovery or significant new bounds on the existence and masses of supersymmetric particles.

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