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Article overview
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Anatomy of the ATLAS diboson anomaly | B.C. Allanach
; Ben Gripaios
; Dave Sutherland
; | Date: |
7 Jul 2015 | Abstract: | We perform a general analysis of new physics interpretations of the recent
ATLAS diboson excesses over Standard Model expectations in LHC Run I
collisions. Firstly, we estimate a likelihood function for the true signal in
the $WW$, $WZ$, and $ZZ$ channels, finding that the maximum has zero events in
the $WZ$ channel, though the likelihood is sufficiently flat to allow other
scenarios. Secondly, we survey the possible effective field theories containing
the Standard Model plus a new resonance that could explain the data, finding
just two possibilities, viz., a vector that is either a left- or right-handed
$SU(2)$ triplet. Finally, we compare these models with other experimental data
and determine the parameter regions in which they provide a consistent
explanation. | Source: | arXiv, 1507.1638 | Services: | Forum | Review | PDF | Favorites |
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