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Search for a light Higgs boson decaying to two gluons or ss̅ in the radiative decays of Υ(1S)

Author(s)
Sciolla, Gabriella; Cowan, Ray F; Dujmic, Denis
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Abstract
We search for the decay Υ(1S)→γA[superscript 0], A[superscript 0]→gg or ss̅ , where A[superscript 0] is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric Standard Model. We use a sample of (17.6±0.3)×10[superscript 6] Υ(1S) mesons produced in the BABAR experiment via e[superscript +]e[superscript -]→Υ(2S)→π[superscript +]π[superscript -]Υ(1S). We see no significant signal and set 90%-confidence-level upper limits on the product branching fraction B(Υ(1S)→γA[superscript 0])·B(A[superscript 0]→gg or ss̅) ranging from 10[superscript -6] to 10[superscript -2] for A[superscript 0] masses in the range 0.5–9.0  GeV/c[superscript 2].
Date issued
2013-08
URI
http://hdl.handle.net/1721.1/81392
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
Lees, J. P., V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, et al. “Search for a light Higgs boson decaying to two gluons or ss[over ¯] in the radiative decays of Υ(1S).” Physical Review D 88, no. 3 (August 2013). © 2013 American Physical Society
Version: Final published version
ISSN
1550-7998
1550-2368

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