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A precise measurement of sin2θW at low Q 2 in Møller scattering

Abstract:
The E-158 experiment has performed the first measurement of the parity-violating asymmetry in electron-electron (Møller) scattering using a 50 GeV polarized electron beam and a fixed unpolarized liquid hydrogen target in End Station A at SLAC. Our preliminary results is: APV = -128±14(stat)±12(syst) × 10-9. From this quantity we extract sin2 θW (Q2 = 0.026GeV/c 2)MS̄ = 0.2403±0.0010(stat)±0. 0009(syst), consistent with the Standard Model prediction.

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Publisher copy:
10.1140/epjad/s2005-04-038-6

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author


Journal:
European Physical Journal A More from this journal
Volume:
24
Issue:
SUPPL. 2
Pages:
151-154
Publication date:
2005-01-01
DOI:
ISSN:
1434-6001


Language:
English
Pubs id:
pubs:172797
UUID:
uuid:03ea4801-e254-458a-bd9a-e28c2fd59146
Local pid:
pubs:172797
Source identifiers:
172797
Deposit date:
2012-12-19

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