/ Experiment-HEP arXiv:0911.3935

A Search for the Higgs Boson Using Neural Networks in Events with Missing Energy and b-quark Jets in p anti-p Collisions at s**(1/2) = 1.96-TeV

Aaltonen, T. ; Adelman, J. ; Alvarez Gonzalez, B. ; Amerio, S. ; Amidei, D. ; Anastassov, A. ; Annovi, A. ; Antos, J. ; Apollinari, G. ; Apresyan, A. ; Arisawa, T. ; Artikov, A. ; Asaadi, J. ; Ashmanskas, W. ; Attal, A. ; Aurisano, A. ; Azfar, F. ; Badgett, W. ; Barbaro-Galtieri, A. ; Barnes, V.E. ; Barnett, B.A. ; Barria, P. ; Bartos, P. ; Bauer, G. ; Beauchemin, P.H.

Published in: Phys.Rev.Lett.
Year: 2010
Vol.: 104
Page No: 141801
Pages: 8

Abstract: We report on a search for the standard model Higgs boson produced in association with a $W$ or $Z$ boson in $p\bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV recorded by the CDF II experiment at the Tevatron in a data sample corresponding to an integrated luminosity of 2.1 fb$^{-1}$. We consider events which have no identified charged leptons, an imbalance in transverse momentum, and two or three jets where at least one jet is consistent with originating from the decay of a $b$ hadron. We find good agreement between data and predictions. We place 95% confidence level upper limits on the production cross section for several Higgs boson masses ranging from 110$\gevm$ to 150$\gevm$. For a mass of 115$\gevm$ the observed (expected) limit is 6.9 (5.6) times the standard model prediction.

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