Measurement of the W boson polarization in top quark decays with the ATLAS detector
Publication
, Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdel Khalek, S; Abdelalim, AA; Abdinov, O; Abi, B; Abolins, M; AbouZeid, OS; Abramowicz, H; Abreu, H; Adye, T ...
Published in: Journal of High Energy Physics
January 1, 2012
This paper presents measurements of the polarization ofW bosons in top quark decays, derived from tt̄ events with missing transverse momentum, one charged lepton and at least four jets, or two charged leptons and at least two jets. Data from pp collisions at a centre-of-mass energy of 7 TeV were collected with the ATLAS experiment at the LHC and correspond to an integrated luminosity of 1.04 fb-1. The measured fractions of longitudinally, left- and right-handed polarization are F0 = 0.67 ± 0.07, FL = 0.32 ± 0.04 and FR = 0.01 ± 0.05, in agreement with the Standard Model predictions. As the polarization of the W bosons in top quark decays is sensitive to the Wtb vertex Lorentz structure and couplings, the measurements were used to set limits on anomalous contributions to the Wtb couplings. © CERN.
Duke Scholars
Published In
Journal of High Energy Physics
DOI
EISSN
1029-8479
ISSN
1126-6708
Publication Date
January 1, 2012
Volume
2012
Issue
6
Related Subject Headings
- Nuclear & Particles Physics
- 5107 Particle and high energy physics
- 5106 Nuclear and plasma physics
- 4902 Mathematical physics
- 0206 Quantum Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0105 Mathematical Physics
Citation
APA
Chicago
ICMJE
MLA
NLM
Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdelalim, A. A., Abdinov, O., … Artamonov, A. (2012). Measurement of the W boson polarization in top quark decays with the ATLAS detector. Journal of High Energy Physics, 2012(6). https://doi.org/10.1007/JHEP06(2012)088
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, A. A. Abdelalim, O. Abdinov, B. Abi, et al. “Measurement of the W boson polarization in top quark decays with the ATLAS detector.” Journal of High Energy Physics 2012, no. 6 (January 1, 2012). https://doi.org/10.1007/JHEP06(2012)088.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdelalim AA, Abdinov O, et al. Measurement of the W boson polarization in top quark decays with the ATLAS detector. Journal of High Energy Physics. 2012 Jan 1;2012(6).
Aad, G., et al. “Measurement of the W boson polarization in top quark decays with the ATLAS detector.” Journal of High Energy Physics, vol. 2012, no. 6, Jan. 2012. Scopus, doi:10.1007/JHEP06(2012)088.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdelalim AA, Abdinov O, Abi B, Abolins M, AbouZeid OS, Abramowicz H, Abreu H, Acerbi E, Acharya BS, Adamczyk L, Adams DL, Addy TN, Adelman J, Adomeit S, Adragna P, Adye T, Aefsky S, Aguilar-Saavedra JA, Agustoni M, Aharrouche M, Ahlen SP, Ahles F, Ahmad A, Ahsan M, Aielli G, Akdogan T, Åkesson TPA, Akimoto G, Akimov AV, Akiyama A, Alam MS, Alam MA, Albert J, Albrand S, Aleksa M, Aleksandrov IN, Alessandria F, Alexa C, Alexander G, Alexandre G, Alexopoulos T, Alhroob M, Aliev M, Alimonti G, Alison J, Allbrooke BMM, Allport PP, Allwood-Spiers SE, Almond J, Aloisio A, Alon R, Alonso A, Alvarez Gonzalez B, Alviggi MG, Amako K, Amelung C, Ammosov VV, Amorim A, Amram N, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anderson KJ, Andreazza A, Andrei V, Anduaga XS, Anger P, Angerami A, Anghinolfi F, Anisenkov A, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonov A, Antos J, Anulli F, Aoun S, Aperio Bella L, Apolle R, Arabidze G, Aracena I, Arai Y, Arce ATH, Arfaoui S, Arguin JF, Arik E, Arik M, Armbruster AJ, Arnaez O, Arnal V, Arnault C, Artamonov A. Measurement of the W boson polarization in top quark decays with the ATLAS detector. Journal of High Energy Physics. 2012 Jan 1;2012(6).
Published In
Journal of High Energy Physics
DOI
EISSN
1029-8479
ISSN
1126-6708
Publication Date
January 1, 2012
Volume
2012
Issue
6
Related Subject Headings
- Nuclear & Particles Physics
- 5107 Particle and high energy physics
- 5106 Nuclear and plasma physics
- 4902 Mathematical physics
- 0206 Quantum Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0105 Mathematical Physics