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Semileptonic B decays to narrow orbitally-excited charm mesons using the OPAL detector at LEP
The decay chain b → B¯ → D<super>**0</super> ℓ<super> −</super><math> <f> <a><ac><g>n</g></ac><ac>&d1;</ac></a></f> </math><italic>X</italic>,...
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| Lenguaje: | eng |
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CERN
2003
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| Acceso en línea: | http://cds.cern.ch/record/742091 |
| _version_ | 1780904085244870656 |
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| author | Amaral, P |
| author_facet | Amaral, P |
| author_sort | Amaral, P |
| collection | CERN |
| description | The decay chain b → B¯ → D<super>**0</super> ℓ<super> −</super><math> <f> <a><ac><g>n</g></ac><ac>&d1;</ac></a></f> </math><italic>X</italic>, D<super>**0</super> → D<super>*+</super>π<super> −</super>, D<super>*+</super> → D<super>0</super>π<super>+</super>, D<super>0</super> → (Kπ or K 3π) was identified in a sample of 3.9 million hadronic Z decays collected with the OPAL detector at LEP. The branching ratio BR (b → B¯) × BR (B¯ → <math> <f> <rm>D<sup>0</sup><inf>1</inf></rm></f> </math> ℓ<super>−</super><math> <f> <a><ac><g>n</g></ac><ac>&d1;</ac></a></f> </math><italic>X</italic>) × BR(<math> <f> <rm>D<sup>0</sup><inf>1</inf></rm></f> </math> → D<super>*+</super>π<super>−</super>) was measured to be (2.64 ± 0.79 (stat) ± 0.39 (syst)) × 10<super>−3 </super> for the <italic>J<super>P</super></italic> = 1<super>+</super> (<math> <f> <rm>D<sup>0</sup><inf>1</inf></rm></f> </math>) state. For decays into the <italic>J<super>P</super></italic> = 2<super> +</super> (<math> <f> <rm>D<sup>*0</sup><inf>2</inf></rm></f> </math>) state, an upper limit of 1.4 × 10<super>−3</super> was placed on the branching ratio at the 95% confidence level. |
| id | cern-742091 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2003 |
| publisher | CERN |
| record_format | invenio |
| spelling | cern-7420912019-09-30T06:29:59Zhttp://cds.cern.ch/record/742091engAmaral, PSemileptonic B decays to narrow orbitally-excited charm mesons using the OPAL detector at LEPParticle Physics - ExperimentThe decay chain b → B¯ → D<super>**0</super> ℓ<super> −</super><math> <f> <a><ac><g>n</g></ac><ac>&d1;</ac></a></f> </math><italic>X</italic>, D<super>**0</super> → D<super>*+</super>π<super> −</super>, D<super>*+</super> → D<super>0</super>π<super>+</super>, D<super>0</super> → (Kπ or K 3π) was identified in a sample of 3.9 million hadronic Z decays collected with the OPAL detector at LEP. The branching ratio BR (b → B¯) × BR (B¯ → <math> <f> <rm>D<sup>0</sup><inf>1</inf></rm></f> </math> ℓ<super>−</super><math> <f> <a><ac><g>n</g></ac><ac>&d1;</ac></a></f> </math><italic>X</italic>) × BR(<math> <f> <rm>D<sup>0</sup><inf>1</inf></rm></f> </math> → D<super>*+</super>π<super>−</super>) was measured to be (2.64 ± 0.79 (stat) ± 0.39 (syst)) × 10<super>−3 </super> for the <italic>J<super>P</super></italic> = 1<super>+</super> (<math> <f> <rm>D<sup>0</sup><inf>1</inf></rm></f> </math>) state. For decays into the <italic>J<super>P</super></italic> = 2<super> +</super> (<math> <f> <rm>D<sup>*0</sup><inf>2</inf></rm></f> </math>) state, an upper limit of 1.4 × 10<super>−3</super> was placed on the branching ratio at the 95% confidence level.CERNoai:cds.cern.ch:7420912003 |
| spellingShingle | Particle Physics - Experiment Amaral, P Semileptonic B decays to narrow orbitally-excited charm mesons using the OPAL detector at LEP |
| title | Semileptonic B decays to narrow orbitally-excited charm mesons using the OPAL detector at LEP |
| title_full | Semileptonic B decays to narrow orbitally-excited charm mesons using the OPAL detector at LEP |
| title_fullStr | Semileptonic B decays to narrow orbitally-excited charm mesons using the OPAL detector at LEP |
| title_full_unstemmed | Semileptonic B decays to narrow orbitally-excited charm mesons using the OPAL detector at LEP |
| title_short | Semileptonic B decays to narrow orbitally-excited charm mesons using the OPAL detector at LEP |
| title_sort | semileptonic b decays to narrow orbitally-excited charm mesons using the opal detector at lep |
| topic | Particle Physics - Experiment |
| url | http://cds.cern.ch/record/742091 |
| work_keys_str_mv | AT amaralp semileptonicbdecaystonarroworbitallyexcitedcharmmesonsusingtheopaldetectoratlep |