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Higgs & Top at LHeC
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CERN
CERN
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CERN - Tokyo - Liverpool - Johannesburg - Beijing - Hamburg
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Satoshi (Kawaguchi) presented updates on invisible Higgs decay search.
For Ep=14TeV study, the MVA result gives 4.54% 2sigma sensitivity
(cf. cut-based gave 4.73%). For Ep=50TeV case, by cut based analysis,
the sensitivity was 2.88%.
There was some discussion on the convention of sensitivity definition
and coupling precision definition.
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Subhasish (on behalf of the groups from Wits, Johannesburg and IIT Guwahati, India) presented updates on their study of Top quark FCNC at the LHeC. Some representative results for the signals (taking all the new couplings to be unity) and backgrounds (Leptonic, Hadronic and photo production) with preliminary cuts have been shown. There were some discussions on the enhancement of the Magnetic field that can be achieved at the LHeC.
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Orhan presented cut based analysis in reconstructing top mass from hadronic channel,
For the process ep->ewq with t q gamma vertex,
it results in 2sigma sensitivity to parameter lambda_q=0.01 for 30 fb^-1 at LHeC,
while it is the same sensitivity to this parameter for 10 fb^-1 at FCC-ep.
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