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Enhancing the doubly-longitudinal polarization in WZ production at the LHC

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arxiv 2302.03324 v1 pith:OLBFROP3 submitted 2023-02-07 hep-ph hep-ex

classification hep-phhep-ex
keywords cutsdoubly-longitudinalpolarizationamplitudebosoncomparedconsideredcouplings
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abstract

We present new results for the theoretical prediction of doubly-polarized cross sections of $WZ$ events at the LHC using leptonic decays. Compared to the previous studies, two new kinematic cuts are considered. These cuts are designed to enhance the doubly-longitudinal (LL) polarization and, at the same time, study the Radiation Amplitude Zero effect. We found a new cut on the rapidity separation between the $Z$ boson and the electron from the $W$ decay which makes the LL fraction largest, namely $|\Delta y_{Z,e}| < 0.5$. This result is obtained at the next-to-leading order in the strong and electroweak couplings.

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Cited by 1 Pith paper

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  1. Electroweak Symmetry Restoration and Radiation Amplitude Zeros

    hep-ph 2024-12 conditional novelty 5.0 of 10

    The paper defines a quantitative measure of electroweak symmetry restoration, δ = M_W/2E, and proposes W±γ, W±Z, and W±H cross-section ratios near radiation amplitude zeros as new high-energy collider observables for ...

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