我们必须找到办法压低背景提出信号这方面我们有很多经....ppt
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Seesaw
Majorana mass term
Mixing
Decay width
Decay width versus mass of heavy Majorana neutrino for real and virtual weak bosons
Branching ratios
Branching ratios for decay into W∗ and Z∗ bosons with variant mass
Tevatron
sensitivity on Tevatron
(0.33fb)
Number of background events vs mass of the heavy neutrino
Cross section on LHC
sensitivity on LHC
Detection limit on heavy neutrino mass
cuts
Top B.G.
Missing Pt cut
Signal distribution
cuts
Top B.G.
invariant mass cut
Signal distribution
Top B.G.
invariant mass cut
cuts
efficiencies with the consecutive cuts on Tevatron.
branching ratios for decay into longitudinal and transverse gauge bosons in static heavy neutrino frame
EW background
cuts
Tevatron
LHC
isolated cut
Signal distribution
The End
Thanks
来自百度文库
Majorana mass term
Mixing
Decay width
Decay width versus mass of heavy Majorana neutrino for real and virtual weak bosons
Branching ratios
Branching ratios for decay into W∗ and Z∗ bosons with variant mass
Tevatron
sensitivity on Tevatron
(0.33fb)
Number of background events vs mass of the heavy neutrino
Cross section on LHC
sensitivity on LHC
Detection limit on heavy neutrino mass
cuts
Top B.G.
Missing Pt cut
Signal distribution
cuts
Top B.G.
invariant mass cut
Signal distribution
Top B.G.
invariant mass cut
cuts
efficiencies with the consecutive cuts on Tevatron.
branching ratios for decay into longitudinal and transverse gauge bosons in static heavy neutrino frame
EW background
cuts
Tevatron
LHC
isolated cut
Signal distribution
The End
Thanks
来自百度文库