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26 April 2024 |
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Article overview
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NLO+NLL limits on $W'$ and $Z'$ gauge boson masses | | Tomáš Ježo
; Michael Klasen
; David R. Lamprea
; Florian Lyonnet
; Ingo Schienbein
; | | Date: |
14 Aug 2015 | | Abstract: | QCD resummation predictions for the production of new charged ($W’$) and
neutral ($Z’$) heavy gauge bosons decaying leptonically are presented. These
results are obtained with our resummation code at next-to-leading order and
next-to-leading logarithmic (NLO+NLL) accuracy. Our predictions are compared to
PYTHIA at leading order (LO) supplemented with parton showers (PS) and FEWZ at
NLO and next-to-next-to-leading order (NNLO) for the $p_T$-differential and
total cross sections in the Sequential Standard Model (SSM) and general
SU(2)$ imes$SU(2)$ imes$U(1) models. We show that the importance of
resummation for total cross sections increases with the gauge boson mass.
Finally, the latest ATLAS and CMS results are reinterpreted to derive new
limits at NLO+NLL on $W’$ and $Z’$ boson masses in general extensions of the
Standard Model. | | Source: | arXiv, 1508.3539 | | Services: | Forum | Review | PDF | Favorites | |
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