Entanglement and Bell inequalities violation in $H\to ZZ$ with anomalous coupling

• URL: http://arxiv.org/abs/2307.13496v2
• Date: Sun, 26 May 2024 11:12:24 GMT
• Title: Entanglement and Bell inequalities violation in $H\to ZZ$ with anomalous coupling
• Authors: Alexander Bernal, Paweł Caban, Jakub Rembieliński,
• Abstract summary: We discuss entanglement and violation of Bell-type inequalities for a system of two $Z$ bosons produced in Higgs decays. We find that a $ZZ$ state is entangled and violates the inequality for all values of the pair (anomalous) coupling constant.
• Score: 44.99833362998488
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We discuss entanglement and violation of Bell-type inequalities for a system of two $Z$ bosons produced in Higgs decays. We take into account beyond the Standard Model (anomalous) coupling between $H$ and daughter bosons but we limit ourselves to an overall scalar $ZZ$ state (we exclude the possibility that $H$ contains a pseudo-scalar component). In particular we consider the case when each $Z$ decays further into fermion-antifermion pair. We find that a $ZZ$ state is entangled and violates the CGLMP inequality for all values of the (anomalous) coupling constant.

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