Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-08-18
Phys.Atom.Nucl.67:350-358,2004; Yad.Fiz.67:368-376,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
20 pages, 8 figures; minor corrections in text and references
Scientific paper
10.1134/1.1648925
We investigate the charged Higgs boson contribution into $t\bar b$-pair production in pp-collisions at LHC. It is shown that due to the $\cz$-boson exchange the total yield of $t\bar b$ is modified significantly for small and large values of $\tan\beta$. However, for the small values of $\tan\beta$ one should expect also the production of right-polarized top quark contrary to pure left-polarized t-quark production through $W^{\pm}$-boson exchange only. This fact provides a possibility to separate $H^{\pm}$ and $W^{\pm}$ contributions by means of the investigations of angular distributions of top decay products. The detailed simulation of the signal and relevant background processes is performed.
Foursa M. V.
Murashev D. A.
Slabospitsky S. R.
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