期刊
PHYSICS LETTERS B
卷 594, 期 1-2, 页码 23-34出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2004.04.063
关键词
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The e(+)e(-) --> hadron cross section data from PEP, PETRA, TRISTAN, SLC and LEP, at centre-of-mass energies between 20 to 209 GeV, are analysed to search for the production of a pair of light sbottoms decaying hadronically via R-parity-violating couplings. This analysis allows the 95% C.L. exclusion of such a particle if its mass is below 7.5 GeV/c(2) The light sbottom mass window is closed. (C) 2004 Elsevier B.V. All rights reserved.
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