Search for charged Higgs bosons decaying to top and bottom quarks in ppbar collisions

0334866 - FZÚ 2010 RIV US eng J - Journal Article
Abazov, V. M. - Abbott, B. - Abolins, M. - Kupčo, Alexander - Lokajíček, Miloš … Total 523 authors
Search for charged Higgs bosons decaying to top and bottom quarks in ppbar collisions.
[Hledání nabitých Higgsových bosonů rozpadajících se na top a bottom kvarky v pp srážkách.]
Physical Review Letters. Roč. 102, č. 19 (2009), 191802./1-191802./7. ISSN 0031-9007. E-ISSN 1079-7114
R&D Projects: GA MŠMT LC527; GA MŠMT LA08047
Institutional research plan: CEZ:AV0Z10100502
Keywords : D0 * tevatron * Higgs boson
Subject RIV: BF - Elementary Particles and High Energy Physics
Impact factor: 7.328, year: 2009
http://link.aps.org/doi/10.1103/PhysRevLett.102.191802

We describe a search for production of a charged Higgs boson, q /bar{q'} -> H^+, reconstructed in the t/bar{b} final state in the mass range 180 <= M_{H^+} <= 300 GeV. The search was undertaken at the Fermilab Tevatron collider with a center-of-mass energy sqrt{s} = 1.96 TeV and uses 0.9 fb^{-1} of data collected with the D0 detector. We find no evidence for charged Higgs boson production and set upper limits on the production cross section in the Types I, II and III two-Higgs-doublet models (2HDMs). An excluded region in the (M_{H^+},tan/beta) plane for Type I 2HDM is presented.

Popisujeme hledání produkce nabitého Higgsova bosonu, qq -> H+, rekonstruovaného z rozpadového stavu s t a b kvarky s hmotou Higgsova bosonu v intervalu 180 až 300 GeV. Nenacházíme žádný signál a určujeme horní limit na účinný průřez v modelech s dublety Higgsových bosonů.
Permanent Link: http://hdl.handle.net/11104/0179484