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arXiv · 2603.02917

Triply polarized $WWW$ at the LHC: first glimpse at LO

Van Cuong Le·Duc Ninh Le·Thi Nhung Dao
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Abstract

We present first results for triply polarized $WWW$ events at the LHC. The calculation is performed at leading order for fully leptonic decays using the Standard Model (SM). Employing an inclusive kinematic cut setup, we found that the triply-transverse polarization fraction is about $51\%$, while the triply-longitudinal (LLL) fraction is smallest with $1.4\%$ for the $W^-W^+W^+$ process. The interference between different polarization amplitudes amounts to $+1.8\%$. Results for the $W^+W^-W^-$ case are similar. On the technical side, a new general on-shell mapping for multi-resonance processes, being a crucial element of polarized cross-section calculation, is also presented. Finally, comparisons with the results of MoCaNLO and Sherpa are provided, showing good agreements.

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Van Cuong Le, Duc Ninh Le, Thi Nhung Dao. 2026-03-03. Triply polarized $WWW$ at the LHC: first glimpse at LO. https://arxiv.org/abs/2603.02917

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