Forward-backward asymmetry in top-quark production in pp[over] collisions at sqrt[s]=1.96 TeV.
We present measurements of the forward-backward charge asymmetry in top pair production using 1.9 fb;{-1} of pp[over ] collisions at sqrt[s]=1.96 TeV recorded with the Collider Detector at Fermilab II. Correcting for acceptance and measurement dilutions we obtain parton-level asymmetries of A_{FB};{...
Váldodahkkit: | , , , , , , , , , , , , , , , , , , , , , , , , |
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Materiálatiipa: | Journal article |
Giella: | English |
Almmustuhtton: |
2008
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author | Aaltonen, T Adelman, J Akimoto, T Albrow, MG González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Apresyan, A Arisawa, T Artikov, A Ashmanskas, W Attal, A Aurisano, A Azfar, F Azzurri, P Badgett, W Barbaro-Galtieri, A Barnes, V Barnett, B Bartsch, V Bauer, G |
author_facet | Aaltonen, T Adelman, J Akimoto, T Albrow, MG González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Apresyan, A Arisawa, T Artikov, A Ashmanskas, W Attal, A Aurisano, A Azfar, F Azzurri, P Badgett, W Barbaro-Galtieri, A Barnes, V Barnett, B Bartsch, V Bauer, G |
author_sort | Aaltonen, T |
collection | OXFORD |
description | We present measurements of the forward-backward charge asymmetry in top pair production using 1.9 fb;{-1} of pp[over ] collisions at sqrt[s]=1.96 TeV recorded with the Collider Detector at Fermilab II. Correcting for acceptance and measurement dilutions we obtain parton-level asymmetries of A_{FB};{pp[over ]}=0.17+/-0.08 in the pp[over ] frame and A_{FB};{tt[over ]}=0.24+/-0.14 in the tt[over ] frame. The values are consistent with the standard model expectation and disfavor exotic production mechanisms with significant negative values. |
first_indexed | 2024-03-07T00:34:09Z |
format | Journal article |
id | oxford-uuid:80d00dc3-b47f-4c3f-9145-97c30c3f0445 |
institution | University of Oxford |
language | English |
last_indexed | 2024-03-07T00:34:09Z |
publishDate | 2008 |
record_format | dspace |
spelling | oxford-uuid:80d00dc3-b47f-4c3f-9145-97c30c3f04452022-03-26T21:26:03ZForward-backward asymmetry in top-quark production in pp[over] collisions at sqrt[s]=1.96 TeV.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:80d00dc3-b47f-4c3f-9145-97c30c3f0445EnglishSymplectic Elements at Oxford2008Aaltonen, TAdelman, JAkimoto, TAlbrow, MGGonzález, BAmerio, SAmidei, DAnastassov, AAnnovi, AAntos, JApollinari, GApresyan, AArisawa, TArtikov, AAshmanskas, WAttal, AAurisano, AAzfar, FAzzurri, PBadgett, WBarbaro-Galtieri, ABarnes, VBarnett, BBartsch, VBauer, GWe present measurements of the forward-backward charge asymmetry in top pair production using 1.9 fb;{-1} of pp[over ] collisions at sqrt[s]=1.96 TeV recorded with the Collider Detector at Fermilab II. Correcting for acceptance and measurement dilutions we obtain parton-level asymmetries of A_{FB};{pp[over ]}=0.17+/-0.08 in the pp[over ] frame and A_{FB};{tt[over ]}=0.24+/-0.14 in the tt[over ] frame. The values are consistent with the standard model expectation and disfavor exotic production mechanisms with significant negative values. |
spellingShingle | Aaltonen, T Adelman, J Akimoto, T Albrow, MG González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Apresyan, A Arisawa, T Artikov, A Ashmanskas, W Attal, A Aurisano, A Azfar, F Azzurri, P Badgett, W Barbaro-Galtieri, A Barnes, V Barnett, B Bartsch, V Bauer, G Forward-backward asymmetry in top-quark production in pp[over] collisions at sqrt[s]=1.96 TeV. |
title | Forward-backward asymmetry in top-quark production in pp[over] collisions at sqrt[s]=1.96 TeV. |
title_full | Forward-backward asymmetry in top-quark production in pp[over] collisions at sqrt[s]=1.96 TeV. |
title_fullStr | Forward-backward asymmetry in top-quark production in pp[over] collisions at sqrt[s]=1.96 TeV. |
title_full_unstemmed | Forward-backward asymmetry in top-quark production in pp[over] collisions at sqrt[s]=1.96 TeV. |
title_short | Forward-backward asymmetry in top-quark production in pp[over] collisions at sqrt[s]=1.96 TeV. |
title_sort | forward backward asymmetry in top quark production in pp over collisions at sqrt s 1 96 tev |
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