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Direct Measurement of Ab in Z0 decays using charged kaon tagging

Abstract:

We present a direct measurement of the_parity-violating asymmetry Ab, in the Z0 to bb̄ coupling using a new technique to distinguish the b and b̄ quarks using charged kaons from B decays. The Z0 bosons are produced in e+e- collisions at the SLC with longitudinally polarized electrons, bb̄ events are selected using a secondary vertex mass tag and Ab is determined from the left-right forward-backward asymmetry. From the 1994-1995 data sample, selected from 100000 hadronic Z0 decays, we obtain A...

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Journal:
Physical Review Letters
Volume:
83
Issue:
10
Pages:
1902-1907
Publication date:
1999-09-06
ISSN:
0031-9007
URN:
uuid:7fbab92d-4c2e-4a8b-bbfd-38332f9c8925
Source identifiers:
178643
Local pid:
pubs:178643
Language:
English

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