First observation of the decays $\bar{B}^0_{(s)}\to D_s^+K^-π^+π^-$ and $\bar{B}^0_s\to D_{s1}(2536)^+π^-$
The first observation of the decays $\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-$ and $\bar{B}^0\to D_s^+K^-\pi^+\pi^-$ are reported using an integrated luminosity of 1.0 fb$^{-1}$ recorded by the LHCb experiment. The branching fractions, normalized with respect to $\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-$ an...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
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2012
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| _version_ | 1826280595165020160 |
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| author | collaboration, L Aaij, R Beteta, C Adametz, A Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Cartelle, P Jr, A Amato, S Amhis, Y Anderlini, L Anderson, J Appleby, R Gutierrez, O Archilli, F Artamonov, A Artuso, M |
| author_facet | collaboration, L Aaij, R Beteta, C Adametz, A Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Cartelle, P Jr, A Amato, S Amhis, Y Anderlini, L Anderson, J Appleby, R Gutierrez, O Archilli, F Artamonov, A Artuso, M |
| author_sort | collaboration, L |
| collection | OXFORD |
| description | The first observation of the decays $\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-$ and $\bar{B}^0\to D_s^+K^-\pi^+\pi^-$ are reported using an integrated luminosity of 1.0 fb$^{-1}$ recorded by the LHCb experiment. The branching fractions, normalized with respect to $\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-$ and $\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-$, respectively, are measured to be {\br(\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-)\over\br(\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-)} and= (5.2\pm0.5\pm0.3)\times10^{-2}, {\br(\bar{B}^0\to D_s^+K^-\pi^+\pi^-)\over\br(\bar{B}^0_{s}\to D_s^+K^-^\pi^+\pi^-)} and= 0.54\pm0.07\pm0.07, where the first uncertainty is statistical and the second is systematic. The $\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-$ decay is of particular interest as it can be used to measure the weak phase $\gamma$. First observation of the $\bar{B}^0_s\to D_{s1}(2536)^+\pi^-, D_{s1}^+\to D_s^+\pi^-\pi^+$ decay is also presented, and its branching fraction relative to $\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-$ is found to be {\br(\bar{B}^0_s\to D_{s1}(2536)^+\pi^-, D_{s1}^+\to D_s^+\pi^-\pi^+)\over\br(\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-)} and= (4.0\pm1.0\pm0.4)\times10^{-3}. |
| first_indexed | 2024-03-07T00:16:02Z |
| format | Journal article |
| id | oxford-uuid:7adcf7ed-1e6c-4057-ad27-c7c16e100e3c |
| institution | University of Oxford |
| last_indexed | 2024-03-07T00:16:02Z |
| publishDate | 2012 |
| record_format | dspace |
| spelling | oxford-uuid:7adcf7ed-1e6c-4057-ad27-c7c16e100e3c2022-03-26T20:46:57ZFirst observation of the decays $\bar{B}^0_{(s)}\to D_s^+K^-π^+π^-$ and $\bar{B}^0_s\to D_{s1}(2536)^+π^-$Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:7adcf7ed-1e6c-4057-ad27-c7c16e100e3cSymplectic Elements at Oxford2012collaboration, LAaij, RBeteta, CAdametz, AAdeva, BAdinolfi, MAdrover, CAffolder, AAjaltouni, ZAlbrecht, JAlessio, FAlexander, MAli, SAlkhazov, GCartelle, PJr, AAmato, SAmhis, YAnderlini, LAnderson, JAppleby, RGutierrez, OArchilli, FArtamonov, AArtuso, MThe first observation of the decays $\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-$ and $\bar{B}^0\to D_s^+K^-\pi^+\pi^-$ are reported using an integrated luminosity of 1.0 fb$^{-1}$ recorded by the LHCb experiment. The branching fractions, normalized with respect to $\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-$ and $\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-$, respectively, are measured to be {\br(\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-)\over\br(\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-)} and= (5.2\pm0.5\pm0.3)\times10^{-2}, {\br(\bar{B}^0\to D_s^+K^-\pi^+\pi^-)\over\br(\bar{B}^0_{s}\to D_s^+K^-^\pi^+\pi^-)} and= 0.54\pm0.07\pm0.07, where the first uncertainty is statistical and the second is systematic. The $\bar{B}^0_{s}\to D_s^+K^-\pi^+\pi^-$ decay is of particular interest as it can be used to measure the weak phase $\gamma$. First observation of the $\bar{B}^0_s\to D_{s1}(2536)^+\pi^-, D_{s1}^+\to D_s^+\pi^-\pi^+$ decay is also presented, and its branching fraction relative to $\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-$ is found to be {\br(\bar{B}^0_s\to D_{s1}(2536)^+\pi^-, D_{s1}^+\to D_s^+\pi^-\pi^+)\over\br(\bar{B}^0_{s}\to D_s^+\pi^-\pi^+\pi^-)} and= (4.0\pm1.0\pm0.4)\times10^{-3}. |
| spellingShingle | collaboration, L Aaij, R Beteta, C Adametz, A Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Cartelle, P Jr, A Amato, S Amhis, Y Anderlini, L Anderson, J Appleby, R Gutierrez, O Archilli, F Artamonov, A Artuso, M First observation of the decays $\bar{B}^0_{(s)}\to D_s^+K^-π^+π^-$ and $\bar{B}^0_s\to D_{s1}(2536)^+π^-$ |
| title | First observation of the decays $\bar{B}^0_{(s)}\to D_s^+K^-π^+π^-$
and $\bar{B}^0_s\to D_{s1}(2536)^+π^-$ |
| title_full | First observation of the decays $\bar{B}^0_{(s)}\to D_s^+K^-π^+π^-$
and $\bar{B}^0_s\to D_{s1}(2536)^+π^-$ |
| title_fullStr | First observation of the decays $\bar{B}^0_{(s)}\to D_s^+K^-π^+π^-$
and $\bar{B}^0_s\to D_{s1}(2536)^+π^-$ |
| title_full_unstemmed | First observation of the decays $\bar{B}^0_{(s)}\to D_s^+K^-π^+π^-$
and $\bar{B}^0_s\to D_{s1}(2536)^+π^-$ |
| title_short | First observation of the decays $\bar{B}^0_{(s)}\to D_s^+K^-π^+π^-$
and $\bar{B}^0_s\to D_{s1}(2536)^+π^-$ |
| title_sort | first observation of the decays bar b 0 s to d s k π π and bar b 0 s to d s1 2536 π |
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