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P. Jenni and T. S. Virdee
Fig. 6.18 (a) Dijet invariant mass distribution for events weighted by S/(S + B) in all channels
combined in the 2016 and 2017 data sets. The error bar for each bin represents the presubtraction 1σ
statistical uncertainty on the data, while the gray hatching indicates the 1σ total uncertainty on the
signal and all background components. (b) Best-fit value of the H → bb signal strength with its 1σ
systematic (red) and total (blue) uncertainties for the five individual production modes considered,
as well as the overall combined result. The vertical dashed line indicates the SM expectation
weighted by their respective S/B, with S being the total fitted signal and B the total
fitted background in each region. The expected contribution of the associated WH
and ZH production of a SM Higgs boson with m H = 125 GeV is shown, scaled
by the measured signal strength (μ =1.06). The size of the combined statistical
and systematic uncertainty for the fitted background is indicated by the hatched
band. Figure 6.17b shows the fitted values of the Higgs boson signal strength, where
μ(VHbb) = 0.98 +0.22 –0.21 for m H = 125 GeV for the WH and ZH processes and
their combination, using the 7 TeV, 8 TeV and 13 TeV data.
CMS has observed the mode H → bb. Figure 6.18a shows the weighted dijet
invariant mass distribution for events weighted by S/(S + B) in all channels
combined in the 2016 and 2017 data sets [48]. The data (points), the fitted VH
signal (red) and VZ background (grey) distributions, with all other fitted background
processes subtracted, except that from dibosons are shown in Fig. 6.18a. Figure
6.18b shows the best-fit value of the H → bb signal strength for the five individual
production modes considered, as well as the overall combined result. The vertical
dashed line indicates the SM expectation. All results are extracted from a single
fit with m H = 125.09 GeV. CMS has made measurements, using data collected at
√
s = 7, 8, and 13 TeV, and observes an excess of events at m H = 125 GeV with
a significance of 5.6 standard deviations, where the expectation for the SM Higgs
boson is 5.5, and a signal strength of 1.04 ± 0.14 (stat.) ±0.14 (syst.).
P. Jenni and T. S. Virdee
Fig. 6.18 (a) Dijet invariant mass distribution for events weighted by S/(S + B) in all channels
combined in the 2016 and 2017 data sets. The error bar for each bin represents the presubtraction 1σ
statistical uncertainty on the data, while the gray hatching indicates the 1σ total uncertainty on the
signal and all background components. (b) Best-fit value of the H → bb signal strength with its 1σ
systematic (red) and total (blue) uncertainties for the five individual production modes considered,
as well as the overall combined result. The vertical dashed line indicates the SM expectation
weighted by their respective S/B, with S being the total fitted signal and B the total
fitted background in each region. The expected contribution of the associated WH
and ZH production of a SM Higgs boson with m H = 125 GeV is shown, scaled
by the measured signal strength (μ =1.06). The size of the combined statistical
and systematic uncertainty for the fitted background is indicated by the hatched
band. Figure 6.17b shows the fitted values of the Higgs boson signal strength, where
μ(VHbb) = 0.98 +0.22 –0.21 for m H = 125 GeV for the WH and ZH processes and
their combination, using the 7 TeV, 8 TeV and 13 TeV data.
CMS has observed the mode H → bb. Figure 6.18a shows the weighted dijet
invariant mass distribution for events weighted by S/(S + B) in all channels
combined in the 2016 and 2017 data sets [48]. The data (points), the fitted VH
signal (red) and VZ background (grey) distributions, with all other fitted background
processes subtracted, except that from dibosons are shown in Fig. 6.18a. Figure
6.18b shows the best-fit value of the H → bb signal strength for the five individual
production modes considered, as well as the overall combined result. The vertical
dashed line indicates the SM expectation. All results are extracted from a single
fit with m H = 125.09 GeV. CMS has made measurements, using data collected at
√
s = 7, 8, and 13 TeV, and observes an excess of events at m H = 125 GeV with
a significance of 5.6 standard deviations, where the expectation for the SM Higgs
boson is 5.5, and a signal strength of 1.04 ± 0.14 (stat.) ±0.14 (syst.).