A search for associated W and Higgs Boson production in ppbar collisions at sqrt{s}=1.96 TeV

A search for associated W and Higgs Boson production in ppbar collisions at sqrt{s}=1.96 TeV

We present results of a search for WH -> lepton neutrino b bbar production in ppbar collisions based on the analysis of 1.05 fb-1 of data collected by the D0 experiment at the Fermilab Tevatron, using a neural network for separating the signal from backgrounds. No signal-like excess is observed,...

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Veröffentlicht in:Physical review letters 2009, Vol.102
Hauptverfasser: Abazov, V.M., Abbott, B., Abolins, M., Acharya, B.S., Adams, M., Adams, T., Aguilo, E., Ahsan, M., Alexeev, G.D., Alkhazov, G., Alton, A., Alverson, G., Alves, G.A., Anastasoaie, M., Ancu, L.S., Andeen, T., Andrieu, B., Anzelc, M.S., Aoki, M., Arnoud, Y., Arov, M., Arthaud, M., Askew, A., Asman, B., Assis Jesus, A.C.S., Atramentov, O., Avila, C., Badaud, F., Bagby, L., Baldin, B., Bandurin, D.V., Banerjee, P., Banerjee, S., Barberis, E., Barfuss, A.-F., Bargassa, P., Baringer, P., Barreto, J., Bartlett, J.F., Bassler, U., Bauer, D., Beale, S., Bean, A., Begalli, M., Begel, M., Belanger-Champagne, C., Bellantoni, L., Bellavance, A., Benitez, J.A., Beri, S.B., Bernardi, G., Bernhard, R., Bertram, I., Besançon, M., Beuselinck, R., Bezzubov, V.A., Bhat, P.C., Bhatnagar, V., Biscarat, C., Blazey, G., Blekman, F., Blessing, S., Bloom, K., Boehnlein, A., Boline, D., Bolton, T.A., Boos, E.E., Borissov, G., Bose, T., Brandt, A., Brock, R., Brooijmans, G., Bross, A., Brown, D., Bu, X.B., Buchanan, N.J., Buchholz, D., Buehler, M., Buescher, V., Bunichev, V., Burdin, S., Burnett, T.H., Buszello, C.P., Butler, J.M., Calfayan, P., Calvet, S., Cammin, J., Carrera, E., Carvalho, W., Casey, B.C.K., Castilla-Valdez, H., Chakrabarti, S., Chakraborty, D., Chan, K.M., Chandra, A., Cheu, E., Chevallier, F., Cho, D.K., Choi, S. K., Choudhary, B.
Format: Artikel
Sprache:eng
Schlagworte:
High Energy Physics - Experiment
Physics
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Zusammenfassung:We present results of a search for WH -> lepton neutrino b bbar production in ppbar collisions based on the analysis of 1.05 fb-1 of data collected by the D0 experiment at the Fermilab Tevatron, using a neural network for separating the signal from backgrounds. No signal-like excess is observed, and we set 95 % C.L. upper limits on the WH production cross section multiplied by the branching ratio for H->bb for Higgs boson masses between 100 and 150 GeV. For a Higgs boson mass of 115 GeV, we obtain an observed (expected) limit of 1.5 (1.4) pb, a factor of 11.4 (10.7) times larger than standard model prediction.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.102.051803