Evidence for the decay B0S→K¯∗0μ+μ−; Journal of High Energy Physics; № 7
| Parent link: | Journal of High Energy Physics № 7.— 2018.— [20, 23 p.] |
|---|---|
| Συλλογικό Έργο: | , |
| Άλλοι συγγραφείς: | , , , , , |
| Περίληψη: | Title screen A search for the decay B0S→K¯¯∗0μ+μ−BS0→K¯∗0μ+μ− is presented using data sets corresponding to 1.0, 2.0 and 1.6 fb−1 of integrated luminosity collected during pp collisions with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, respectively. An excess is found over the background-only hypothesis with a significance of 3.4 standard deviations. The branching fraction of the B0S→K¯¯∗0μ+μ−BS0→K¯∗0μ+μ− decay is determined to be B(B0s→K¯¯∗0μ+μ−)=[2.9±1.0(stat)±0.2(syst)±0.3(norm)]×10−8B(Bs0→K¯∗0μ+μ−)=[2.9±1.0(stat)±0.2(syst)±0.3(norm)]×10−8, where the first and second uncertainties are statistical and systematic, respectively. The third uncertainty is due to limited knowledge of external parameters used to normalise the branching fraction measurement. |
| Γλώσσα: | Αγγλικά |
| Έκδοση: |
2018
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| Θέματα: | |
| Διαθέσιμο Online: | http://earchive.tpu.ru/handle/11683/57706 https://doi.org/10.1007/JHEP07(2018)020 |
| Μορφή: | MixedMaterials Ηλεκτρονική πηγή Κεφάλαιο βιβλίου |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658836 |
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| 200 | 1 | |a Evidence for the decay B0S→K¯∗0μ+μ− |f R. Aaij [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 50 tit.] | ||
| 330 | |a A search for the decay B0S→K¯¯∗0μ+μ−BS0→K¯∗0μ+μ− is presented using data sets corresponding to 1.0, 2.0 and 1.6 fb−1 of integrated luminosity collected during pp collisions with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, respectively. An excess is found over the background-only hypothesis with a significance of 3.4 standard deviations. The branching fraction of the B0S→K¯¯∗0μ+μ−BS0→K¯∗0μ+μ− decay is determined to be B(B0s→K¯¯∗0μ+μ−)=[2.9±1.0(stat)±0.2(syst)±0.3(norm)]×10−8B(Bs0→K¯∗0μ+μ−)=[2.9±1.0(stat)±0.2(syst)±0.3(norm)]×10−8, where the first and second uncertainties are statistical and systematic, respectively. The third uncertainty is due to limited knowledge of external parameters used to normalise the branching fraction measurement. | ||
| 461 | 1 | |t Journal of High Energy Physics | |
| 463 | 1 | |t № 7 |v [20, 23 p.] |d 2018 | |
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