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Evidence for a particle produced in association with weak bosons and decaying to a bottom-antibottom quark pair in higgs boson searches at the tevatron

Abstract: We combine searches by the CDF and D0 Collaborations for the associated production of a Higgs boson with a W or Z boson and subsequent decay of the Higgs boson to a bottom-antibottom quark pair. The data, originating from Fermilab Tevatron p¯p collisions at ?s=1.96TeV, correspond to integrated luminosities of up to 9.7?fb?1. The searches are conducted for a Higgs boson with mass in the range 100?150 GeV/c2. We observe an excess of events in the data compared with the background predictions, which is most significant in the mass range between 120 and 135 GeV/c2. The largest local significance is 3.3 standard deviations, corresponding to a global significance of 3.1 standard deviations. We interpret this as evidence for the presence of a new particle consistent with the standard model Higgs boson, which is produced in association with a weak vector boson and decays to a bottom-antibottom quark pair.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Aaltonen T., Abazov V.M., Abbott B., Acharya B.S., Adams M., Adams T., Alexeev G.D., Alkhazov G., Alton A., Álvarez González B., Alverson G., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Appel J.A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Askew A., Atkins S., Auerbach B., Augsten K., Aurisano A., Avila C., Azfar F., Badaud F., Badgett W., Bae T., Bagby L., Baldin B., Bandurin D.V., Banerje

 Fuente: Physical Review Letters (2012) Volume 109, Issue 7, article number 071804

Editorial: American Physical Society

 Fecha de publicación: 01/08/2012

Nº de páginas: 12

Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevLett.109.071804

ISSN: 0031-9007,1079-7114

Url de la publicación: https://doi.org/10.1103/PhysRevLett.109.071804

Autores/as

AALTONEN, T.

BARBARA ALVAREZ GONZALEZ

BRUNO CASAL LARAÑA

FRANCISCO JAVIER CUEVAS MAESTRO

JOSE ENRIQUE PALENCIA CORTEZON