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Improved W boson mass measurement with the DØ detector

Abstract:

We have measured the W boson mass using the DØ detector and a data sample of 82 pb-1 from the Fermilab Tevatron collider. This measurement uses W→eν decays, where the electron is close to a boundary of a central electromagnetic calorimeter module. Such "edge" electrons have not been used in any previous DØ analysis, and represent a 14% increase in the W boson sample size. For these electrons, new response and resolution parameters are determined, and revised backgrounds and underlying event e...

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Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
66
Issue:
1 II
Pages:
120011-1200118
Publication date:
2002-07-01
ISSN:
0556-2821
URN:
uuid:d8c0e882-9ead-473e-affe-35973f8dab9d
Source identifiers:
178638
Local pid:
pubs:178638
Language:
English

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