Search for the Standard Model Higgs Boson in $ZH \to \ell^+ \ell^- b\bar{b}$ Production with the D0 Detector in 9.7 fb$^{-1}$ of $p\bar{p}$ Collisions at $\sqrt{s}=1.96$ TeV

Abazov, Victor Mukhamedovich

doi:10.1103/PhysRevLett.109.121803

Title: Search for the Standard Model Higgs Boson in $$ZH \to \ell^+ \ell^- b\bar{b}$$ Production with the D0 Detector in 9.7 fb$$^{-1}$$ of $$p\bar{p}$$ Collisions at $$\sqrt{s}=1.96$$ TeV

Journal Article · Thu Sep 20 00:00:00 EDT 2012 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.109.121803· OSTI ID:1352875

Abazov, Victor Mukhamedovich ^[1]

et al.

We present a search for the standard model (SM) Higgs boson produced in association with a Z boson in 9.7 fb^-1 of ppbar collisions collected with the D0 detector at the Fermilab Tevatron Collider at sqrt(s) = 1.96 TeV. Selected events contain one reconstructed Z → e⁺e⁻ or Z → μ⁺μ⁻ candidate and at least two jets, including at least one jet identified as likely to contain a b quark. To validate the search procedure, we also measure the cross section for ZZ production in the same final state. It is found to be consistent with its SM prediction. We set upper limits on the ZH production cross section times branching ratio for H → $$b\bar{b}$$ at the 95% C.L. for Higgs boson masses 90 < $$M_H$$ < 150 GeV. Lastly, the observed (expected) limit for $$M_H$$ = 125 GeV is 7.1 (5.1) times the SM cross section.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Organization:: D0 Collaboration

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 1352875

Alternate ID(s):: OSTI ID: 1103358

Report Number(s):: FERMILAB-PUB-12-403-E; arXiv:1207.5819; 1123791

Journal Information:: Physical Review Letters, Vol. 109, Issue 12; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 12 works

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