4 lepton analysis
DESCRIPTION
4 lepton analysis. March 12, 2014 Jongseok Lee (Sungkyunkwan University). Cut variables for event selection (µµµµ). nlep+>=2, nlep->=2. Cut variables for event selection (µµµµ). nlep+>=2, nlep->=2. Cut variables for event selection (eeee). nlep+>=2, nlep->=2. - PowerPoint PPT PresentationTRANSCRIPT
4 lepton analysis
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March 12, 2014 Jongseok Lee(Sungkyunkwan University)
Cut variables for event selection
(µµµµ)
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nlep+>=2, nlep->=2
Cut variables for event selection
(µµµµ)
3
nlep+>=2, nlep->=2
Cut variables for event selection
(eeee)
4
nlep+>=2, nlep->=2
Cut variables for event selection
(eeee)
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nlep+>=2, nlep->=2
Cut variables for event selection
(eµeµ)
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nlep+>=2, nlep->=2
Cut variables for event selection
(eµeµ)
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nlep+>=2, nlep->=2
Sideband method
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events. of # reasonable afor selection event without events of# theis N and N
yuncertaint lstatistica N assumed isit then y,uncertaint lstatistica N If
sidebands. in the events data of # total theis N
data, from estimatedregion signal in the events background of # theis N where
,1 N
1 oferror relative a and
,1 N N
yuncertaint lstatistica N assumed isit then y,uncertaint lstatistica N if
, N assumed isit then 0, N if
MC. by the prediced as regions sideband and signal in the events theare N and N where
,N
N
region. signal in theon contributi background theestimate toused is method sidebandA
DataSBSB
BGSRBGSR
DataSB
BGSR
DataSB
DataSBBGSR
SRSR
SRSB
SBSR
SB
SR
Signal region and side band
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m(H++)
m(H--)
side band
signal region
Mass of H++ VS H--
(µµµµ)
10
nlep+>=2, nlep->=2
MCsignal region
Datasignal region
MCsignal region
Datasignal region
Datasignal region
MCsignal region
# of events
11
mmmmMass of H++
(GeV)In signal region
(MC background)In signal region
by sideband method
In signal region(Data)
150 48.9±2.3
49.3±4.1±8.3
49
200 32.8±0.7
31.7±2.1±4.5
35
300 11.9±0.3
12.1±0.6±1.4
11
400 4.52±0.16
4.63±0.25±0.51
3
500 1.89±0.06
1.90±0.10±0.21
2
600 0.916±0.029
0.919±0.046±0.101
1
nlep+>=2, nlep->=2, signal region [mH++(1-2/3), mH++(1+2/3)]
± statistical error ± α error ± relative error
Mass of H++ VS H--
(eeee)
12
nlep+>=2, nlep->=2
MCsignal region
Datasignal region
MCsignal region
Datasignal region
Datasignal region
MCsignal region
# of events
13
eeeeMass of H++
(GeV)In signal region
(MC background)In signal region
by sideband method
In signal region(Data)
150 28.4±0.3
25.2±0.4±6.5
27
200 20.9±0.2
19.7±0.3±4.1
19
300 7.81±0.12
7.09±0.13±1.21
8
400 3.34±0.08
3.11±0.08±0.50
3
500 1.54±0.06
1.44±0.06±0.22
1
600 0.759±0.039
0.716±0.038±0.110
0
± statistical error ± α error ± relative error
nlep+>=2, nlep->=2, signal region [mH++(1-2/3), mH++(1+2/3)]
Mass of H++ VS H--
(eµeµ)
14
nlep+>=2, nlep->=2
MCsignal region
Datasignal region
MCsignal region
Datasignal region
Datasignal region
MCsignal region
# of events
15
ememMass of H++
(GeV)In signal region
(MC background)In signal region
by sideband method
In signal region(Data)
150 84.8±2.5
104±7±13
82
200 62.0±3.2
78.5±4.7±7.9
51
300 20.5±0.6
21.6±0.9±1.9
24
400 8.23±0.49
8.54±0.57±0.73
13
500 3.93±0.46
4.16±0.51±0.35
6
600 1.61±0.04
1.69±0.06±0.14
4
± statistical error ± α error ± relative error
nlep+>=2, nlep->=2, signal region [mH++(1-2/3), mH++(1+2/3)]
Weekly plan
• Control region for 3 leptons
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backup
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