Search for ZH -> l+l- bbar production in 9.7 fb-1 of ppbar collisions with the D0 detector
- Abazov, V.M.
- Bassler, U.
- Bernardi, G.
- Besançon, M.
- Brown, D.
- Chapon, E.
- Couderc, F.
- Deliot, F.
- Enari, Y.
- Greder, S.
- Grenier, G.
- Grohsjean, A.
- Hubacek, Z.
- Kurca, T.
- Lebrun, P.
- Lellouch, J.
- Li, D.
- Miconi, F.
- Ripp-Baudot, I.
- Royon, C.
- Shary, V.
- Titov, M.
- Tuchming, B.
- Vilanova, D.
- Zivkovic, L.
- Sajot, G.
- Stark, J.
- Badaud, F.
- Gris, Ph.
- Grivaz, J.-F.
- Guillemin, T.
- Jaffré, M.
- Pétroff, P.
- Cousinou, M.-C.
- Duperrin, A.
- Geng, W.
- Kajfasz, E.
- Kermiche, S.
- Nagy, E.
- Osman, N.
DOIAbstract
submitted to Phys. Rev. D ; see paper for full list of authorsWe 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 -> mu+mu- candidate and at least two jets, including at least one jet likely to contain a b quark. To validate the search procedure, we also measure the cross section for ZZ production, and find that it is consistent with the SM expectation. We set upper limits at the 95% C.L. on the product of the ZH production cross section and branching ratio B(H -> bbbar) for Higgs boson masses 90 <= M_H <= 150 GeV. The o...
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