Derives quantum Fisher information for simultaneous estimation of velocity and angle in gluon-fusion top-antitop production and connects estimation sensitivity to spin entanglement.
Bachain , author M
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Multiparameter quantum estimation and entanglement in top--antitop quark production
Derives quantum Fisher information for simultaneous estimation of velocity and angle in gluon-fusion top-antitop production and connects estimation sensitivity to spin entanglement.