First symmetry tests in polarized Z0 decays to bb̄g

First symmetry tests in polarized Z0 decays to bb̄g

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Symmetry tests in polarized Z0 decays to bb̄g were made. From the forward-backward polar-angle asymmetry of the signed-thrust axis and the azimuthal-angle asymmetry, the parity-violation parameters AP and A′P were found to be consistent with O(αs2) quantum chromodynamic (QCD) expectations. A corresp...

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Bibliographic Details
Main Authors: Abe, K, Abe, T, Adam, I, Akimoto, H, Aston, D, Baird, K, Baltay, C, Band, H, Barklow, T, Bauer, J, Bellodi, G, Berger, R, Blaylock, G, Bogart, JR, Bower, G, Brau, J, Breidenbach, M, Bugg, WM, Burke, D, Burnett, T, Burrows, P, Calcaterra, A, Cassell, R, Chou, A
Format: Journal article
Language:English
Published: American Inst of Physics 2001
Description
Summary:Symmetry tests in polarized Z0 decays to bb̄g were made. From the forward-backward polar-angle asymmetry of the signed-thrust axis and the azimuthal-angle asymmetry, the parity-violation parameters AP and A′P were found to be consistent with O(αs2) quantum chromodynamic (QCD) expectations. A corresponding 95% C.L. limit was set on parity violation at the bb̄g vertex. Using the event-plane normal polar-angle distributions, 95% C.L. limits were set on the T-odd and CP-even and CP-odd asymmetry parameters AT+ and AT-.

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