Measurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp̄ collisions at √s=1.96TeV
We report on a measurement of b-hadron lifetimes in the fully reconstructed decay modes B+→J/ψK+, B0→J/ ψK*(892)0, B0→J/ψKs0, and Λb0→J/ψΛ0 using data corresponding to an integrated luminosity of 4.3fb-1, collected by the CDF II detector at the Fermilab Tevatron. The measured lifetimes are τ(B+)=[1....
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
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2011
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| _version_ | 1797084109920534528 |
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| author | Aaltonen, T Álvarez 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 Álvarez 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 | We report on a measurement of b-hadron lifetimes in the fully reconstructed decay modes B+→J/ψK+, B0→J/ ψK*(892)0, B0→J/ψKs0, and Λb0→J/ψΛ0 using data corresponding to an integrated luminosity of 4.3fb-1, collected by the CDF II detector at the Fermilab Tevatron. The measured lifetimes are τ(B+)=[1.639±0.009(stat)±0.009(syst)] ps, τ(B0)=[1.507±0.010(stat)±0.008(syst)]ps, and τ(Λb0)=[1.537±0.045(stat)±0.014(syst)]ps. The lifetime ratios are τ(B+)/τ(B0)=[1.088±0.009(stat)±0. 004(syst)] and τ(Λb0)/τ(B0)=[1.020±0.030(stat)±0. 008(syst)]. These are the most precise determinations of these quantities from a single experiment. © 2011 American Physical Society. |
| first_indexed | 2024-03-07T01:50:49Z |
| format | Journal article |
| id | oxford-uuid:9a07d60a-7ba9-42b1-85b5-198c8c74e490 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T01:50:49Z |
| publishDate | 2011 |
| record_format | dspace |
| spelling | oxford-uuid:9a07d60a-7ba9-42b1-85b5-198c8c74e4902022-03-27T00:18:33ZMeasurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp̄ collisions at √s=1.96TeVJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:9a07d60a-7ba9-42b1-85b5-198c8c74e490EnglishSymplectic Elements at Oxford2011Aaltonen, TÁlvarez 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, GWe report on a measurement of b-hadron lifetimes in the fully reconstructed decay modes B+→J/ψK+, B0→J/ ψK*(892)0, B0→J/ψKs0, and Λb0→J/ψΛ0 using data corresponding to an integrated luminosity of 4.3fb-1, collected by the CDF II detector at the Fermilab Tevatron. The measured lifetimes are τ(B+)=[1.639±0.009(stat)±0.009(syst)] ps, τ(B0)=[1.507±0.010(stat)±0.008(syst)]ps, and τ(Λb0)=[1.537±0.045(stat)±0.014(syst)]ps. The lifetime ratios are τ(B+)/τ(B0)=[1.088±0.009(stat)±0. 004(syst)] and τ(Λb0)/τ(B0)=[1.020±0.030(stat)±0. 008(syst)]. These are the most precise determinations of these quantities from a single experiment. © 2011 American Physical Society. |
| spellingShingle | Aaltonen, T Álvarez 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 Measurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp̄ collisions at √s=1.96TeV |
| title | Measurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp̄ collisions at √s=1.96TeV |
| title_full | Measurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp̄ collisions at √s=1.96TeV |
| title_fullStr | Measurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp̄ collisions at √s=1.96TeV |
| title_full_unstemmed | Measurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp̄ collisions at √s=1.96TeV |
| title_short | Measurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp̄ collisions at √s=1.96TeV |
| title_sort | measurement of b hadron lifetimes in exclusive decays containing a j ψ in pp collisions at √s 1 96tev |
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