First measurement of the fraction of top-quark pair production through gluon-gluon fusion
We present the first measurement of σ(gg→tt̄)/ σ(pp̄→tt̄). We use 0.96fb-1 of s=1.96TeV pp̄ collision data recorded with the CDF II detector at Fermilab. Using charged particles with low transverse momentum in tt̄ events, we find σ(gg→ tt̄)/σ(pp̄→tt̄)=0.07±0.14(stat)±0. 07(syst), corresponding to a...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2008
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| _version_ | 1797087380637745152 |
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| author | Aaltonen, T Adelman, J Akimoto, T Albrow, MG Álvarez González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Aoki, M Apollinari, G Apresyan, A Arisawa, T Artikov, A Ashmanskas, W Attal, A Aurisano, A Azfar, F Azzi-Bacchetta, P Azzurri, P Bacchetta, N Badgett, W Barbaro-Galtieri, A Barnes, V |
| author_facet | Aaltonen, T Adelman, J Akimoto, T Albrow, MG Álvarez González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Aoki, M Apollinari, G Apresyan, A Arisawa, T Artikov, A Ashmanskas, W Attal, A Aurisano, A Azfar, F Azzi-Bacchetta, P Azzurri, P Bacchetta, N Badgett, W Barbaro-Galtieri, A Barnes, V |
| author_sort | Aaltonen, T |
| collection | OXFORD |
| description | We present the first measurement of σ(gg→tt̄)/ σ(pp̄→tt̄). We use 0.96fb-1 of s=1.96TeV pp̄ collision data recorded with the CDF II detector at Fermilab. Using charged particles with low transverse momentum in tt̄ events, we find σ(gg→ tt̄)/σ(pp̄→tt̄)=0.07±0.14(stat)±0. 07(syst), corresponding to a 95% confidence level upper limit of 0.33, in agreement with the standard model next-to-leading-order prediction of 0.15±0.05. © 2008 The American Physical Society. |
| first_indexed | 2024-03-07T02:34:54Z |
| format | Journal article |
| id | oxford-uuid:a876ff48-223a-448a-82a1-26e434a40c0d |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T02:34:54Z |
| publishDate | 2008 |
| record_format | dspace |
| spelling | oxford-uuid:a876ff48-223a-448a-82a1-26e434a40c0d2022-03-27T03:01:44ZFirst measurement of the fraction of top-quark pair production through gluon-gluon fusionJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:a876ff48-223a-448a-82a1-26e434a40c0dEnglishSymplectic Elements at Oxford2008Aaltonen, TAdelman, JAkimoto, TAlbrow, MGÁlvarez González, BAmerio, SAmidei, DAnastassov, AAnnovi, AAntos, JAoki, MApollinari, GApresyan, AArisawa, TArtikov, AAshmanskas, WAttal, AAurisano, AAzfar, FAzzi-Bacchetta, PAzzurri, PBacchetta, NBadgett, WBarbaro-Galtieri, ABarnes, VWe present the first measurement of σ(gg→tt̄)/ σ(pp̄→tt̄). We use 0.96fb-1 of s=1.96TeV pp̄ collision data recorded with the CDF II detector at Fermilab. Using charged particles with low transverse momentum in tt̄ events, we find σ(gg→ tt̄)/σ(pp̄→tt̄)=0.07±0.14(stat)±0. 07(syst), corresponding to a 95% confidence level upper limit of 0.33, in agreement with the standard model next-to-leading-order prediction of 0.15±0.05. © 2008 The American Physical Society. |
| spellingShingle | Aaltonen, T Adelman, J Akimoto, T Albrow, MG Álvarez González, B Amerio, S Amidei, D Anastassov, A Annovi, A Antos, J Aoki, M Apollinari, G Apresyan, A Arisawa, T Artikov, A Ashmanskas, W Attal, A Aurisano, A Azfar, F Azzi-Bacchetta, P Azzurri, P Bacchetta, N Badgett, W Barbaro-Galtieri, A Barnes, V First measurement of the fraction of top-quark pair production through gluon-gluon fusion |
| title | First measurement of the fraction of top-quark pair production through gluon-gluon fusion |
| title_full | First measurement of the fraction of top-quark pair production through gluon-gluon fusion |
| title_fullStr | First measurement of the fraction of top-quark pair production through gluon-gluon fusion |
| title_full_unstemmed | First measurement of the fraction of top-quark pair production through gluon-gluon fusion |
| title_short | First measurement of the fraction of top-quark pair production through gluon-gluon fusion |
| title_sort | first measurement of the fraction of top quark pair production through gluon gluon fusion |
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