Measurement of τ Polarization in W→τν Decays With the ATLAS Detector in pp Collisions at √s=7 TeV
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Measurement of τ Polarization in W→τν Decays With the ATLAS Detector in pp Collisions at √s=7 TeV
| Title: | Measurement of τ Polarization in W→τν Decays With the ATLAS Detector in pp Collisions at √s=7 TeV |
| Author: |
Franklin, Melissa; Huth, John; Jeanty, L; Kagan, M; Lopez Mateos, David; Mercurio, Kevin
0000-0002-3377-8164
; Morii, Masahiro; Skottowe, Hugh Philip; Zevi Della Porta, G
Note: Order does not necessarily reflect citation order of authors. |
| Citation: | Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, A. A. Abdelalim, A. Abdesselam, et al. 2012. “Measurement of τ Polarization in W→τν Decays With the ATLAS Detector in pp Collisions at √s=7 TeV.” The European Physical Journal C 72 (7) (July). doi:10.1140/epjc/s10052-012-2062-6. |
| Full Text & Related Files: |
10.1140%2Fepjc%2Fs10052-012-2062-6.pdf (1.570Mb; PDF) 
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| Abstract: | In this paper, a measurement of τ polarization in W→τν decays is presented. It is measured from the energies of the decay products in hadronic τ decays with a single final state charged particle. The data, corresponding to an integrated luminosity of 24 pb−1, were collected by the ATLAS experiment at the Large Hadron Collider in 2010. The measured value of the τ polarization is Pτ=−1.06±0.04 (stat)+0.05−0.07 (syst) , in agreement with the Standard Model prediction, and is consistent with a physically allowed 95 % CL interval [−1,−0.91]. Measurements of τ polarization have not previously been made at hadron colliders. |
| Published Version: | doi:10.1140/epjc/s10052-012-2062-6 |
| Terms of Use: | This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA |
| Citable link to this page: | http://nrs.harvard.edu/urn-3:HUL.InstRepos:33470222 |
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