Observation of the decay B(c)(+) → B(s)(0)π+.
The result of a search for the decay B(c)(+) → B(s)(0) π+ is presented, using the B(s)(0) → D(s)(-)π+ and B(s)(0) → J/ψ Ø channels. The analysis is based on a data sample of pp collisions collected with the LHCb detector, corresponding to an integrated luminosity of 1 fb(-1) taken at a center-of-mas...
| Κύριοι συγγραφείς: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Μορφή: | Journal article |
| Γλώσσα: | English |
| Έκδοση: |
2013
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| _version_ | 1826258966343057408 |
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| author | Aaij, R Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Alvarez Cartelle, P Alves, A Amato, S Amerio, S Amhis, Y Anderlini, L Anderson, J Andreassen, R Andrews, J Appleby, R Aquines Gutierrez, O Archilli, F Artamonov, A Artuso, M |
| author_facet | Aaij, R Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Alvarez Cartelle, P Alves, A Amato, S Amerio, S Amhis, Y Anderlini, L Anderson, J Andreassen, R Andrews, J Appleby, R Aquines Gutierrez, O Archilli, F Artamonov, A Artuso, M |
| author_sort | Aaij, R |
| collection | OXFORD |
| description | The result of a search for the decay B(c)(+) → B(s)(0) π+ is presented, using the B(s)(0) → D(s)(-)π+ and B(s)(0) → J/ψ Ø channels. The analysis is based on a data sample of pp collisions collected with the LHCb detector, corresponding to an integrated luminosity of 1 fb(-1) taken at a center-of-mass energy of 7 TeV, and 2 fb(-1) taken at 8 TeV. The decay B(c)(+) → B(s)(0)π+ is observed with significance in excess of 5 standard deviations independently in both decay channels. The measured product of the ratio of cross sections and branching fraction is [σ(B(c)(+))/σ(B(s)(0))] × B(B(c)(+)→ B(s)(0)π+) = [2.37 ± 0.31 (stat)± 0.11 (syst)(-0.13)(+0.17)(τ(B)(c)(+)))] × 10(-3), in the pseudorapidity range 2<η(B)<5, where the first uncertainty is statistical, the second is systematic, and the third is due to the uncertainty on the B(c)(+) lifetime. This is the first observation of a B meson decaying to another B meson via the weak interaction. |
| first_indexed | 2024-03-06T18:42:25Z |
| format | Journal article |
| id | oxford-uuid:0d561f7e-16b7-44bd-a24d-ce13a0c8b0f8 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T18:42:25Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | oxford-uuid:0d561f7e-16b7-44bd-a24d-ce13a0c8b0f82022-03-26T09:40:11ZObservation of the decay B(c)(+) → B(s)(0)π+.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:0d561f7e-16b7-44bd-a24d-ce13a0c8b0f8EnglishSymplectic Elements at Oxford2013Aaij, RAdeva, BAdinolfi, MAdrover, CAffolder, AAjaltouni, ZAlbrecht, JAlessio, FAlexander, MAli, SAlkhazov, GAlvarez Cartelle, PAlves, AAmato, SAmerio, SAmhis, YAnderlini, LAnderson, JAndreassen, RAndrews, JAppleby, RAquines Gutierrez, OArchilli, FArtamonov, AArtuso, MThe result of a search for the decay B(c)(+) → B(s)(0) π+ is presented, using the B(s)(0) → D(s)(-)π+ and B(s)(0) → J/ψ Ø channels. The analysis is based on a data sample of pp collisions collected with the LHCb detector, corresponding to an integrated luminosity of 1 fb(-1) taken at a center-of-mass energy of 7 TeV, and 2 fb(-1) taken at 8 TeV. The decay B(c)(+) → B(s)(0)π+ is observed with significance in excess of 5 standard deviations independently in both decay channels. The measured product of the ratio of cross sections and branching fraction is [σ(B(c)(+))/σ(B(s)(0))] × B(B(c)(+)→ B(s)(0)π+) = [2.37 ± 0.31 (stat)± 0.11 (syst)(-0.13)(+0.17)(τ(B)(c)(+)))] × 10(-3), in the pseudorapidity range 2<η(B)<5, where the first uncertainty is statistical, the second is systematic, and the third is due to the uncertainty on the B(c)(+) lifetime. This is the first observation of a B meson decaying to another B meson via the weak interaction. |
| spellingShingle | Aaij, R Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Alvarez Cartelle, P Alves, A Amato, S Amerio, S Amhis, Y Anderlini, L Anderson, J Andreassen, R Andrews, J Appleby, R Aquines Gutierrez, O Archilli, F Artamonov, A Artuso, M Observation of the decay B(c)(+) → B(s)(0)π+. |
| title | Observation of the decay B(c)(+) → B(s)(0)π+. |
| title_full | Observation of the decay B(c)(+) → B(s)(0)π+. |
| title_fullStr | Observation of the decay B(c)(+) → B(s)(0)π+. |
| title_full_unstemmed | Observation of the decay B(c)(+) → B(s)(0)π+. |
| title_short | Observation of the decay B(c)(+) → B(s)(0)π+. |
| title_sort | observation of the decay b c b s 0 π |
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