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arxiv: hep-ph/0203092 · v2 · submitted 2002-03-08 · ✦ hep-ph · hep-ex

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Hadronic decays of bm{chi_{bJ}} into light bottom squarks

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classification ✦ hep-ph hep-ex
keywords bottommassescolor-octetdecayshadronicsquarkcontributiongluino
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We calculate the rates for inclusive hadronic decay of the three $\chi_{bJ}$ states into a pair of light bottom squarks as a function of the masses of the bottom squark and the gluino. We include color-singlet and color-octet configurations. The color-octet contribution is found to be insignificant for the $\chi_{b0}$ but can dominate in the $\chi_{b2}$ case if current lattice estimates are used for the color-octet matrix element. In comparison with the standard model values, bottom squark decays can increase the predicted hadronic width of the $\chi_{b0}$ by as much as 35%, for very small bottom squark masses and gluino masses in the range of 12 GeV, but make a small contribution in the cases of $\chi_{b1}$ and $\chi_{b2}$. Data from decays of the $\chi_{bJ}$ states could provide significant new bounds on the existence and masses of supersymmetric particles.

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