Home > Publications database > Measurements of $B\rightarrow \bar{D} D_{s0} ^{*+}(2317)$ decay rates and a search for isospin partners of the $D_{s0}^{*+} (2317)$ |
Journal Article/Internal Report | PUBDB-2016-00493 |
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2015
American Physical Society
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Please use a persistent id in citations: doi:10.1103/PhysRevD.91.092011
Report No.: arXiv:1504.02637
Abstract: We report improved measurements of the product branching fractions B(B+→D¯0Ds0*+(2317))×B(Ds0*+(2317)→Ds+π0)=(8.0-1.2+1.3±1.1±0.4)×10-4 and B(B0→D-Ds0*+(2317))×B(Ds0*+(2317)→Ds+π0)=(10.2-1.2+1.3±1.0±0.4)×10-4, where the first errors are statistical, the second are systematic and the third are from D and Ds+ branching fractions. In addition, we report negative results from a search for hypothesized neutral (z0) and doubly charged (z++) isospin partners of the Ds0*+(2317) and provide upper limits on the product branching fractions B(B0→D0z0)×B(z0→Ds+π-) and B(B+→D0z++)×B(z++→Ds+π+) that are more than an order of magnitude smaller than theoretical expectations for the hypotheses that the Ds0*+(2317) is a member of an isospin triplet. The analysis uses a 711 fb−1 data sample containing 772 million BB¯-meson pairs collected at the ϒ(4S) resonance in the Belle detector at the KEKB collider.
Keyword(s): experimental results ; B: decay ; isospin: triplet ; charge: 2 ; decay modes ; branching ratio ; Upsilon(10570) ; statistical ; decay rate ; BELLE ; KEK-B ; meson ; statistical analysis ; B --> anti-D D/s0*(2317)
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Publisher's Note: Measurements of $\mathrm{B\to \bar{D} D^{*+}_ {s0} ( 2317 )}$ decay rates and a search for isospin partners of the $\mathrm{D^{*+}_ {s0}(2317)}$
Physical review / D 92(3), 039905 (2015) [10.1103/PhysRevD.92.039905]
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Measurements of $\mathrm{B\rightarrow \bar{D} D_{s0} ^{*+}(2317)}$ decay rates and a search for isospin partners of the $\mathrm{D_{s0}^{*+} (2317)}$
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