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| Home > Publications database > Publisher's Note: Measurements of $\mathrm{B\to \bar{D} D^{*+}_ {s0} ( 2317 )}$ decay rates and a search for isospin partners of the $\mathrm{D^{*+}_ {s0}(2317)}$ |
| Report/Journal Article | PUBDB-2016-00494 |
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2015
American Physical Society
Woodbury, NY
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Please use a persistent id in citations: doi:10.1103/PhysRevD.92.039905
Report No.: Belle preprint 2015-5; KEK Preprint 2015-2; arXiv:1504.02637
Abstract: We report improved measurements of the product branching fractions ${\mathcal B}(B^+\rightarrow\bar{D}^0 D_{s0}^{*+} (2317))\times{\mathcal B}( D_{s0} ^{*+}(2317)\rightarrow D_s^{+}\pi^0) =(8.0^{+1.3}_{-1.2} \pm 1.1 \pm 0.4)\times 10^{-4}$ and ${\mathcal B}(B^0\rightarrow D^- D_{s0} ^{*+}(2317))\times{\mathcal B}(D_{s0}^{*+}(2317)\rightarrow D_s^{+}\pi^0) =(10.2^{+1.3}_{-1.2} \pm 1.0 \pm 0.4)\times 10^{-4}$, where the first errors are statistical, the second are systematic and the third are from $D$ and $D_s$ branching fractions. In addition, we report negative results from a search for hypothesized neutral ($Z^0$) and doubly charged ($Z^{++}$) isospin partners of the $D_{s0}^{*+}(2317)$ and provide upper limits on the product branching fractions ${\mathcal B}(B^0 \rightarrow D^0 z^0)\times{\mathcal B}(z^0\rightarrow D_s^{+}\pi^-)$ and ${\mathcal B}(B^+\rightarrow D^0 z^{++})\times{\mathcal B}(z^{++}\rightarrow D_s^{+}\pi^+)$ that are more than an order of magnitude smaller than theoretical expectations for the hypotheses that the $D_{s0} ^{*+}(2317)$ is a member of an isospin triplet. The analysis uses a 711 fb$^{-1}$ data sample containing 772 million $B\bar{B}$ meson pairs collected at the $\Upsilon(4S)$ 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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Journal Article/Internal Report
Measurements of $B\rightarrow \bar{D} D_{s0} ^{*+}(2317)$ decay rates and a search for isospin partners of the $D_{s0}^{*+} (2317)$
Physical review / D 91(9), 092011 (2015) [10.1103/PhysRevD.91.092011]
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