A Search For ZH→l⁺l^-bb
in 9.45/fb of CDF II Data

Link To Analysis Documentation Key Figures For Conference Speakers

Link To All Control Region Plots
Link To All Signal Region Plots

Combined Limits:	Electron Limits:	Muon Limits:

high res. image	high res. image	high res. image

Bayesian 95% CL Upper Limits For All Sub-Channels Combined

Higgs Mass (GeV/c²)	Observed/SM	-2σ/SM	-1σ/SM	Median Exp./SM	+1σ/SM	+2σ/SM
90	1.0	1.0	1.4	1.9	2.8	3.8
95	1.2	1.0	1.4	2.1	3.0	4.5
100	1.8	1.0	1.4	2.1	3.0	4.2
105	2.3	1.1	1.5	2.2	3.1	4.4
110	3.0	1.2	1.6	2.4	3.4	4.8
115	4.7	1.4	1.8	2.6	3.7	5.3
120	5.7	1.5	2.1	3.1	4.4	6.3
125	7.2	1.9	2.5	3.6	5.2	7.4
130	10.8	2.5	3.3	4.8	7.0	10.1
135	15.0	3.2	4.3	6.3	9.1	12.6
140	19.1	4.4	6.3	8.8	12.9	18.7
145	21.7	6.7	9.2	13.3	19.5	27.1
150	36.5	10.7	15.0	21.3	30.4	44.6

Bayesian 95% CL Upper Limits For Electron Sub-Channels

Higgs Mass (GeV/c²)	Observed/SM	-2σ/SM	-1σ/SM	Median Exp./SM	+1σ/SM	+2σ/SM
90	1.5	1.4	1.9	2.7	3.9	5.6
95	1.7	1.5	2.0	2.9	4.2	6.0
100	2.3	1.5	2.1	3.0	4.4	6.1
105	2.8	1.6	2.2	3.1	4.6	6.4
110	3.6	1.8	2.5	3.6	5.2	7.4
115	5.1	2.0	2.7	3.9	5.7	8.2
120	5.7	2.4	3.3	4.6	6.7	9.4
125	6.6	2.9	3.9	5.6	8.0	11.5
130	10.4	3.7	5.1	7.3	10.5	15.0
135	15.1	4.8	6.7	9.4	13.7	19.5
140	20.2	7.0	9.7	13.7	19.6	27.9
145	26.2	10.3	14.2	20.3	29.3	41.1
150	37.5	16.7	23.2	33.1	48.0	67.3

Bayesian 95% CL Upper Limits For Muon Sub-Channels

Higgs Mass (GeV/c²)	Observed/SM	-2σ/SM	-1σ/SM	Median Exp./SM	+1σ/SM	+2σ/SM
90	2.1	1.5	2.0	2.9	4.1	5.9
95	2.6	1.6	2.2	3.1	4.4	6.4
100	3.2	1.6	2.2	3.1	4.5	6.3
105	4.0	1.7	2.4	3.3	4.8	6.8
110	5.1	1.9	2.5	3.6	5.3	7.4
115	6.8	2.0	2.8	3.9	5.6	7.9
120	8.7	2.4	3.2	4.5	6.5	9.2
125	11.5	2.8	3.9	5.5	8.0	11.2
130	15.9	3.7	5.0	7.0	10.2	14.2
135	20.9	4.8	6.5	9.3	13.5	18.8
140	26.9	6.8	9.4	13.2	18.9	26.3
145	31.4	10.3	13.9	19.9	28.6	40.5
150	59.6	16.7	22.4	31.5	45.3	65.3

Event Totals in all Sub-Channels :

Z→e⁺e^- + 2 jets

Contribution (9.45/fb)	TT	TL	Tx	LL
tt	20.1 ± 2.8	21.5 ± 2.8	36.1 ± 4.7	6.1 ± 0.8
WW,WZ,ZZ	4.7 ± 0.6	6.5 ± 0.9	19.6 ± 1.8	3.9 ± 0.4
Z+bb	19.1 ± 8.0	26.8 ± 11.3	81.5 ± 34.2	10.2 ± 4.4
Z+cc	1.5 ± 0.6	6.9 ± 2.9	39.0 ± 16.8	7.3 ± 3.1
Z+lf jets	0.7 ± 0.3	8.3 ± 2.0	124.9 ± 27.5	27.5 ± 6.6
Mis-reconstructed Z	0.1 ± 0.0	5.1 ± 2.6	7.7 ± 3.9	1.1 ± 0.6
Total Bkg.	46.2 ± 8.6	75.2 ± 12.4	309.2 ± 47.4	56.1 ± 8.6
Data	45	83	352	66
ZH (120 GeV)	1.1 ± 0.1	1.1 ± 0.1	1.6 ± 0.2	0.3 ± 0.03

Z→e⁺e^- + 3 jets

Contribution (9.45/fb)	TT	TL	Tx	LL
tt	7.5 ± 1.2	9.3 ± 1.4	13.5 ± 1.9	2.9 ± 0.5
WW,WZ,ZZ	0.7 ± 0.1	1.3 ± 0.2	3.0 ± 0.4	1.0 ± 0.1
Z+bb	4.5 ± 2.0	6.5 ± 2.9	14.1 ± 6.2	2.5 ± 1.1
Z+cc	0.5 ± 0.2	1.7 ± 0.8	7.4 ± 3.3	2.4 ± 1.1
Z+lf jets	0.3 ± 0.1	2.8 ± 0.8	20.3 ± 5.5	8.1 ± 2.3
Mis-reconstructed Z	0.0 ± 0.0	2.1 ± 1.0	5.2 ± 2.6	3.0 ± 1.5
Total Bkg.	13.6 ± 2.3	23.6 ± 3.5	63.5 ± 9.5	19.9 ± 3.2
Data	16	23	59	23
ZH (120 GeV)	0.2 ± 0.04	0.2 ± 0.04	0.3 ± 0.1	0.1 ± 0.01

Z→μ ⁺μ ^- + 2 jets

Contribution (9.45/fb)	TT	TL	Tx	LL
tt	20.8 ± 3.1	22.1 ± 3.1	30.4 ± 3.9	5.7 ± 0.8
WW,WZ,ZZ	3.8 ± 0.6	5.1 ± 0.7	15.1 ± 1.5	3.0 ± 0.4
Z+bb	15.0 ± 6.3	21.0 ± 8.8	64.4 ± 27.0	7.7 ± 3.2
Z+cc	1.0 ± 0.4	4.6 ± 2.0	30.0 ± 12.6	6.3 ± 2.6
Z+lf jets	0.6 ± 0.3	6.2 ± 1.5	91.7 ± 20.2	19.4 ± 4.5
Mis-reconstructed Z	1.0 ± 0.1	0.0 ± 0.0	10.0 ± 0.5	1.0 ± 0.1
Total Bkg.	42.3 ± 7.1	58.9 ± 9.7	241.5 ± 36.3	43.0 ± 6.2
Data	41	69	273	51
ZH (120 GeV)	0.9 ± 0.1	0.9 ± 0.1	1.4 ± 0.1	0.3 ± 0.03

Z→μ ⁺μ ^- + 3 jets

Contribution (9.45/fb)	TT	TL	Tx	LL
tt	6.4 ± 1.2	7.4 ± 1.2	10.4 ± 1.5	2.4 ± 0.4
WW,WZ,ZZ	0.6 ± 0.1	0.9 ± 0.2	2.3 ± 0.3	0.8 ± 0.1
Z+bb	3.5 ± 1.5	5.2 ± 2.4	11.3 ± 5.0	2.3 ± 1.1
Z+cc	0.4 ± 0.2	1.5 ± 0.7	5.8 ± 2.5	1.9 ± 0.8
Z+lf jets	0.3 ± 0.1	2.2 ± 0.6	15.3 ± 4.0	6.3 ± 1.7
Mis-reconstructed Z	1.0 ± 0.1	8.0 ± 0.4	8.0 ± 0.4	5.0 ± 0.3
Total Bkg.	12.2 ± 1.9	25.2 ± 2.8	53.0 ± 7.0	18.8 ± 2.2
Data	15	24	46	25
ZH (120 GeV)	0.2 ± 0.03	0.2 ± 0.04	0.2 ± 0.05	0.1 ± 0.01