First observation of Bs 0→J/Ψf0(980) decays
Using data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the hadronic decay Bs0→J/Ψf0(980) is observed. This CP eigenstate mode could be used to measure mixing-induced CP violation in the Bs0 system. Using a fit to the Π+Π- mass spectrum with inter...
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| Format: | Journal article |
| Sprache: | English |
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2011
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| _version_ | 1826299118873477120 |
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| author | Aaij, R Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Alvarez Cartelle, P Alves, A Amato, S Amhis, Y Amoraal, J Anderson, J Appleby, R Aquines Gutierrez, O Arrabito, L Artuso, M Aslanides, E Auriemma, G Bachmann, S Bailey, D Balagura, V Baldini, W |
| author_facet | Aaij, R Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Alvarez Cartelle, P Alves, A Amato, S Amhis, Y Amoraal, J Anderson, J Appleby, R Aquines Gutierrez, O Arrabito, L Artuso, M Aslanides, E Auriemma, G Bachmann, S Bailey, D Balagura, V Baldini, W |
| author_sort | Aaij, R |
| collection | OXFORD |
| description | Using data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the hadronic decay Bs0→J/Ψf0(980) is observed. This CP eigenstate mode could be used to measure mixing-induced CP violation in the Bs0 system. Using a fit to the Π+Π- mass spectrum with interfering resonances gives Rf0/Φ≡Γ(Bs0→J/Ψf0,f0→Π+Π -)Γ(Bs0→J/Ψφ,φ →K+K-)=0.252-0.032-0.033+ 0.046+0.027. In the interval ±90 MeV around 980 MeV, corresponding to approximately two full f0 widths we also find R' ≡ Γ(Bs0→J/Ψf0,f0→Π+Π-)-980 Mev < 90 Mev)/Γ(Bs0→J/Ψφ,φ→K +K-)=0.162±0.022±0.016, where in both cases the uncertainties are statistical and systematic, respectively. © 2011 CERN. |
| first_indexed | 2024-03-07T04:57:04Z |
| format | Journal article |
| id | oxford-uuid:d6f81ea5-407c-4b7f-b95f-e99267945bb6 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T04:57:04Z |
| publishDate | 2011 |
| record_format | dspace |
| spelling | oxford-uuid:d6f81ea5-407c-4b7f-b95f-e99267945bb62022-03-27T08:37:34ZFirst observation of Bs 0→J/Ψf0(980) decaysJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:d6f81ea5-407c-4b7f-b95f-e99267945bb6EnglishSymplectic Elements at Oxford2011Aaij, RAdeva, BAdinolfi, MAdrover, CAffolder, AAjaltouni, ZAlbrecht, JAlessio, FAlexander, MAlvarez Cartelle, PAlves, AAmato, SAmhis, YAmoraal, JAnderson, JAppleby, RAquines Gutierrez, OArrabito, LArtuso, MAslanides, EAuriemma, GBachmann, SBailey, DBalagura, VBaldini, WUsing data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the hadronic decay Bs0→J/Ψf0(980) is observed. This CP eigenstate mode could be used to measure mixing-induced CP violation in the Bs0 system. Using a fit to the Π+Π- mass spectrum with interfering resonances gives Rf0/Φ≡Γ(Bs0→J/Ψf0,f0→Π+Π -)Γ(Bs0→J/Ψφ,φ →K+K-)=0.252-0.032-0.033+ 0.046+0.027. In the interval ±90 MeV around 980 MeV, corresponding to approximately two full f0 widths we also find R' ≡ Γ(Bs0→J/Ψf0,f0→Π+Π-)-980 Mev < 90 Mev)/Γ(Bs0→J/Ψφ,φ→K +K-)=0.162±0.022±0.016, where in both cases the uncertainties are statistical and systematic, respectively. © 2011 CERN. |
| spellingShingle | Aaij, R Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Alvarez Cartelle, P Alves, A Amato, S Amhis, Y Amoraal, J Anderson, J Appleby, R Aquines Gutierrez, O Arrabito, L Artuso, M Aslanides, E Auriemma, G Bachmann, S Bailey, D Balagura, V Baldini, W First observation of Bs 0→J/Ψf0(980) decays |
| title | First observation of Bs
0→J/Ψf0(980) decays |
| title_full | First observation of Bs
0→J/Ψf0(980) decays |
| title_fullStr | First observation of Bs
0→J/Ψf0(980) decays |
| title_full_unstemmed | First observation of Bs
0→J/Ψf0(980) decays |
| title_short | First observation of Bs
0→J/Ψf0(980) decays |
| title_sort | first observation of bs 0 j ψf0 980 decays |
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