Model independent search for Higgs boson pair production in the $\mathrm{b\overline{b}}\tau^+\tau^-$ final state - INSPIRE

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Model independent search for Higgs boson pair production in the $\mathrm{b\overline{b}}\tau^+\tau^-$ final state

CMS

Collaboration

2016

22 pages

Report number:

CMS-PAS-HIG-15-013

Experiments:

CERN-LHC-CMS

View in:

CERN Document Server

reference search27 citations

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Abstract:

Results of a search for the production of Higgs boson pairs are presented. In this search one Higgs boson decays to a pair of b-quarks, and the other Higgs boson decays to a tau lepton pair where the tau leptons decay hadronically. The search is based on proton-proton collision data recorded by the CMS experiment at

\sqrt{s} = 8~\mathrm{TeV}

in

2012

, corresponding to an integrated luminosity of

18.3~\mathrm{fb}^{-1}

. The resonant and the non-resonant productions of Higgs boson pairs are studied. No significant excess with respect to the background-only hypothesis is observed in the data and therefore corresponding upper limits on cross section times branching ratio are set. In the case of resonant

\mathrm{HH}

boson production, the limit on

\sigma(\mathrm{pp} \to X) \times \mathrm{BR}(X \to \mathrm{HH})

for a resonance of spin 0 (spin 2) and mass

m_{X}

, ranges from

5.42~\mathrm{pb}

(

3.97~\mathrm{pb}

) at

m_{X}=300~\mathrm{GeV}

to

0.14~\mathrm{pb}

(

0.14~\mathrm{pb}

) at

m_{X}=1000~\mathrm{GeV}

. The limit on non-resonant production amounts to approximately 50 times the rate predicted by the SM.

Note:

Preliminary results

Data
p p: colliding beams
Higgs particle: hadroproduction
Higgs particle: pair production
Higgs particle: heavy
Higgs particle: hadronic decay
Higgs particle: leptonic decay
tau: pair production
tau: hadronic decay
jet: bottom

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