Improved direct measurement of the parity-violation parameter Ab using a mass tag and momentum-weighted track charge

Improved direct measurement of the parity-violation parameter Ab using a mass tag and momentum-weighted track charge

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The highly polarized SLC electron beam and precise vertexing capabilities of the SLD detector were exploited to perform a direct measurement of Ab=0.906±0.022(stat)±0.023(syst), from the 1996-1998 SLD data sample. Combined with previously published result based on the 1993-1995 data sample, Ab=0.907...

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Hlavní autoři: 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
Médium: Journal article
Jazyk:English
Vydáno: 2003
Popis
Shrnutí:The highly polarized SLC electron beam and precise vertexing capabilities of the SLD detector were exploited to perform a direct measurement of Ab=0.906±0.022(stat)±0.023(syst), from the 1996-1998 SLD data sample. Combined with previously published result based on the 1993-1995 data sample, Ab=0.907 ± 0.020(stat) ±0.024(syst) was found for the full 1993-1998 data sample.

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