Matches in SemOpenAlex for { <https://semopenalex.org/work/W4309795635> ?p ?o ?g. }
- W4309795635 abstract "We introduce a methodology and investigate the feasibility of measuring quantum properties of tau lepton pairs in the $H to tau^+ tau^-$ decay at future lepton colliders. In particular, observation of entanglement, steerability and violation of Bell inequalities are examined for the ILC and FCC-ee. We find that detecting quantum correlation crucially relies on precise reconstruction of the tau lepton rest frame and a simple kinematics reconstruction does not suffice due to the finite energy resolution of the colliding beams and detectors. To correct for energy mismeasurements, a log-likelihood method is developed that incorporates the information of impact parameters of tau lepton decays. We demonstrate that an accurate measurement of quantum properties is possible with this method. As a by-product, we show that a novel model-independent test of CP violation can be performed and the CP-phase of $H tau tau$ interaction can be constrained with an accuracy comparable to dedicated analyses, i.e., up to $7.9^{circ}$ and $5.4^{circ}$ at ILC and FCC-ee, respectively." @default.
- W4309795635 created "2022-11-29" @default.
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- W4309795635 date "2023-05-09" @default.
- W4309795635 modified "2023-10-16" @default.
- W4309795635 title "Quantum information and <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> measurement in <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>H</mml:mi><mml:mo stretchy=false>→</mml:mo><mml:msup><mml:mi>τ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>τ</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> at future lepton colliders" @default.
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- W4309795635 doi "https://doi.org/10.1103/physrevd.107.093002" @default.
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