Related papers: New physics in spin entanglement

New physics in spin entanglement

URL: http://arxiv.org/abs/2403.14757v1
Date: Thu, 21 Mar 2024 18:00:17 GMT
Title: New physics in spin entanglement
Authors: Mateusz Duch, Alessandro Strumia, Arsenii Titov,
Abstract summary: We propose a theory that preserves spin-summed scattering and decay rates at tree level while affecting particle spins. This is achieved by breaking the Lorentz group in a non-local way.
Score: 44.99833362998488
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: We propose a theory that preserves spin-summed scattering and decay rates at tree level while affecting particle spins. This is achieved by breaking the Lorentz group in a non-local way that tries avoiding stringent constraints, for example leaving unbroken the maximal sub-group SIM(2). As a phenomenological application, this new physics can alter the spins of top-antitop pairs (and consequently their entanglement) produced in $pp$ collisions without impacting their rates. Some observables affected by loops involving top quarks with modified entanglement receive corrections.

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