A status report on the CDF top search in the multijet channel is given. After topological cuts and the requirement of a secondary vertex in the silicon microvertex detector, about 120 events remain (21.4 pb{sup {minus}1}), in which the signal to background ratio (for a nominal top mass of 160 GeV) is estimated to be 1/10. With further improvements it should be possible to improve this ratio to 1/1 while retaining good efficiency for top, which will make the multijet channel an important cross check for the leptonic modes.
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Fermi National Accelerator Lab., Batavia, IL (United States)
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Batavia, Illinois
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A status report on the CDF top search in the multijet channel is given. After topological cuts and the requirement of a secondary vertex in the silicon microvertex detector, about 120 events remain (21.4 pb{sup {minus}1}), in which the signal to background ratio (for a nominal top mass of 160 GeV) is estimated to be 1/10. With further improvements it should be possible to improve this ratio to 1/1 while retaining good efficiency for top, which will make the multijet channel an important cross check for the leptonic modes.
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9 p.
Notes
INIS; OSTI as DE94008223; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov
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