Search for resonant production of tt̄ decaying to jets in pp̄ collisions at √s=1.96TeV
This paper reports a search for nonstandard model topquark resonances, Z′, decaying to tt̄→W+bW -b̄, where both W decay to quarks. We examine the top-antitop quark invariant mass spectrum for the presence of narrow resonant states. The search uses a data sample of pp̄ collisions at a center of mass...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2011
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| _version_ | 1797093180360884224 |
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| author | Aaltonen, T Alvarez González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Appel, J Apresyan, A Arisawa, T Artikov, A Asaadi, J Ashmanskas, W Auerbach, B Aurisano, A Azfar, F Badgett, W Barbaro-Galtieri, A Barnes, V Barnett, B Barria, P Bartos, P Bauce, M Bauer, G |
| author_facet | Aaltonen, T Alvarez González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Appel, J Apresyan, A Arisawa, T Artikov, A Asaadi, J Ashmanskas, W Auerbach, B Aurisano, A Azfar, F Badgett, W Barbaro-Galtieri, A Barnes, V Barnett, B Barria, P Bartos, P Bauce, M Bauer, G |
| author_sort | Aaltonen, T |
| collection | OXFORD |
| description | This paper reports a search for nonstandard model topquark resonances, Z′, decaying to tt̄→W+bW -b̄, where both W decay to quarks. We examine the top-antitop quark invariant mass spectrum for the presence of narrow resonant states. The search uses a data sample of pp̄ collisions at a center of mass energy of 1.96 TeV collected by the CDF II detector at the Fermilab Tevatron, with an integrated luminosity of 2.8fb-1. No evidence for top-antitop quark resonant production is found. We place upper limits on the production cross section times branching ratio for a specific topcolor assisted technicolor model in which the Z′ has a width of Γ Z′=0.012MZ′. Within this model, we exclude a Z′ boson with masses below 805GeV/c2 at the 95% confidence level. © 2011 American Physical Society. |
| first_indexed | 2024-03-07T03:56:38Z |
| format | Journal article |
| id | oxford-uuid:c316fc82-c616-46d6-8603-6d0a1034eaf7 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T03:56:38Z |
| publishDate | 2011 |
| record_format | dspace |
| spelling | oxford-uuid:c316fc82-c616-46d6-8603-6d0a1034eaf72022-03-27T06:13:57ZSearch for resonant production of tt̄ decaying to jets in pp̄ collisions at √s=1.96TeVJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:c316fc82-c616-46d6-8603-6d0a1034eaf7EnglishSymplectic Elements at Oxford2011Aaltonen, TAlvarez González, BAmerio, SAmidei, DAnastassov, AAnnovi, AAntos, JApollinari, GAppel, JApresyan, AArisawa, TArtikov, AAsaadi, JAshmanskas, WAuerbach, BAurisano, AAzfar, FBadgett, WBarbaro-Galtieri, ABarnes, VBarnett, BBarria, PBartos, PBauce, MBauer, GThis paper reports a search for nonstandard model topquark resonances, Z′, decaying to tt̄→W+bW -b̄, where both W decay to quarks. We examine the top-antitop quark invariant mass spectrum for the presence of narrow resonant states. The search uses a data sample of pp̄ collisions at a center of mass energy of 1.96 TeV collected by the CDF II detector at the Fermilab Tevatron, with an integrated luminosity of 2.8fb-1. No evidence for top-antitop quark resonant production is found. We place upper limits on the production cross section times branching ratio for a specific topcolor assisted technicolor model in which the Z′ has a width of Γ Z′=0.012MZ′. Within this model, we exclude a Z′ boson with masses below 805GeV/c2 at the 95% confidence level. © 2011 American Physical Society. |
| spellingShingle | Aaltonen, T Alvarez González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Apollinari, G Appel, J Apresyan, A Arisawa, T Artikov, A Asaadi, J Ashmanskas, W Auerbach, B Aurisano, A Azfar, F Badgett, W Barbaro-Galtieri, A Barnes, V Barnett, B Barria, P Bartos, P Bauce, M Bauer, G Search for resonant production of tt̄ decaying to jets in pp̄ collisions at √s=1.96TeV |
| title | Search for resonant production of tt̄ decaying to jets in pp̄ collisions at √s=1.96TeV |
| title_full | Search for resonant production of tt̄ decaying to jets in pp̄ collisions at √s=1.96TeV |
| title_fullStr | Search for resonant production of tt̄ decaying to jets in pp̄ collisions at √s=1.96TeV |
| title_full_unstemmed | Search for resonant production of tt̄ decaying to jets in pp̄ collisions at √s=1.96TeV |
| title_short | Search for resonant production of tt̄ decaying to jets in pp̄ collisions at √s=1.96TeV |
| title_sort | search for resonant production of tt decaying to jets in pp collisions at √s 1 96tev |
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