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Measurement of W-boson polarization in top-quark decay using the full CDF Run II data set

Abstract:

We measure the polarization of W bosons from top-quark (t) decays into final states with a charged lepton and jets, tt̄→W+bW -b̄→ℓνbqq̄′b̄, using the full Run II data set collected by the CDF II detector, corresponding to an integrated luminosity of 8.7 fb-1. A model-independent method simultaneously determines the fraction of longitudinal (f0) and right-handed (f+) W bosons to yield f0=0.726±0. 066(stat)±0.067(syst) and f+=-0.045±0.044(stat) ±0.058(syst) with a correlation coefficient of -0....

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.87.031104

Authors


Aaltonen, T More by this author
Anastassov, A More by this author
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Journal:
PHYSICAL REVIEW D
Volume:
87
Issue:
3
Publication date:
2013-02-21
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:2463b0f5-5eda-472a-9dad-d7f5edbe5b31
Source identifiers:
389121
Local pid:
pubs:389121
Language:
English

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