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- Title
Polarization and quantum entanglement effects in Bc±→J/ψ+π±+π0 process.
- Authors
Chen, Kaiwen; Geng, Yiqi; Jin, Yichao; Yan, Zhicheng; Zhu, Ruilin
- Abstract
Motivated by the very recent observation of the B c + → J / ψ + π + + π 0 decay using proton–proton collision data by the LHCb collaboration, we study the four-body angular distributions and the quantum entanglement effects in the B c + → J / ψ + π + + π 0 associated with J / ψ → μ + + μ -. The helicity angular distributions are given in the QCD effective theory and the von Neumann entropy is obtained in B c ± → J / ψ (→ μ + μ -) + ρ ± (→ π ± π 0) decay process.
- Publication
European Physical Journal C -- Particles & Fields, 2024, Vol 84, Issue 6, p1
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-024-12951-y