Simple standard model extension by heavy charged scalarстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 29 августа 2018 г.
Аннотация:We consider a Standard Model extension by a heavy charged scalar
gauged only under the U_{Y}(1) weak hypercharge gauge group.
Such an extension, being gauge invariant with respect to the SM
gauge group, is a simple special case of the well known Zee model.
Since the interactions of the charged scalar with the Standard
Model fermions turn out to be significantly suppressed compared to
the Standard Model interactions, the charged scalar provides an
example of a long-lived charged particle being interesting to
search for at the LHC. We present the pair and single production
cross sections of the charged scalar at different colliders and
the possible decay widths for various boson masses. It is shown
that the current ATLAS and CMS searches at 8 and 13 TeV collision
energy lead to the bounds on the scalar boson mass of about
300--320 GeV. The limits are expected to be much larger for higher
collision energies and, assuming 15 ab^{-1} integrated
luminosity, reach about 2.7 TeV at future 27 TeV LHC thus covering
the most interesting mass region.