Matches in SemOpenAlex for { <https://semopenalex.org/work/W2045307611> ?p ?o ?g. }
- W2045307611 abstract "We extend the standard model to include a weak-triplet and color-octet scalar. This `octo-triplet' field consists of three particles, two charged and one neutral, whose masses and renormalizable interactions depend only on two new parameters. The charged octo-triplet decay into a W boson and a gluon is suppressed by a loop factor and an accidental cancellation. Thus, the main decays of the charged octo-triplet may occur through higher-dimensional operators, mediated by a heavy vectorlike fermion, into quark pairs. For an octo-triplet mass below the tbar{b} threshold, the decay into Wbbar{b} or Wbbar{s} through an off-shell top quark has a width comparable to that into cbar{s} or cbar{b}. Pair production with one octo-triplet decaying into two jets and the other decaying into a W and two soft b jets may explain the dijet-plus-W excess reported by the CDF Collaboration. Using a few kinematic distributions, we compare two mechanisms of octo-triplet pair production: through an s-channel coloron and through the coupling to gluons. The higher-dimensional operators that allow dijet decays also lead to CP violation in B_s - bar B_s mixing." @default.
- W2045307611 created "2016-06-24" @default.
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- W2045307611 date "2012-04-24" @default.
- W2045307611 modified "2023-09-24" @default.
- W2045307611 title "Weak-triplet, color-octet scalars, and the CDF dijet excess" @default.
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- W2045307611 doi "https://doi.org/10.1103/physrevd.85.075020" @default.
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