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Improved search for a Higgs boson produced in association with Z?^l+l- in pp¯ collisions at vs=1.96TeV

Abstract: We search for the standard model Higgs boson produced with a Z boson in 4:1 fb 1 of integrated luminosity collected with the CDF II detector at the Tevatron. In events consistent with the decay of the Higgs boson to a bottom-quark pair and the Z boson to electrons or muons, we set 95% credibility level upper limits on the ZH production cross section multiplied by the H ! bb branching ratio. Improved analysis methods enhance signal sensitivity by 20% relative to previous searches. At a Higgs boson mass of 115 GeV=c2 we set a limit of 5.9 times the standard model cross section.

Autoría: Aaltonen T., Álvarez González B., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Appel J.A., Apresyan A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Auerbach B., Aurisano A., Azfar F., Badgett W., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauce M., Bauer G., Bedeschi F., Beecher D., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A., Binkley M.,

Fuente: Physical Review Letters, 2010, 105(25), 251802

Editorial: American Physical Society

Fecha de publicación: 01/12/2010

Nº de páginas: 7

Tipo de publicación: Artículo de Revista

DOI: 10.1103/PhysRevLett.105.251802

ISSN: 0031-9007,1079-7114

Url de la publicación: https://doi.org/10.1103/PhysRevLett.105.251802

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