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Understanding the nature of $D_s(2317)$ and $D_s(2460)$ through nonleptonic B Decays | | Alakabha Datta
; Patrick J. O’Donnell
; | | Date: |
8 Jul 2003 | | Journal: | Phys.Lett. B572 (2003) 164-170 DOI: 10.1016/j.physletb.2003.08.025 | | Subject: | hep-ph hep-ex | | Abstract: | We consider the nonleptonic B decays $ B o D^{(*)} D_s(2317)$ and $ B o D^{(*)} D_s(2460)$, involving the newly discovered $D_s(2317)$ and the $D_s(2460)$ states. We find that experiments indicate disagreement with model calculations of their properties and/or breakdown of the factorization assumption for these decays . We point out that decays involving $B_s$ mesons where the $D_s$ resonances can be produced via the weak decay of the $b$ quark can provide further information about the nature of these newly discovered states. We also propose a model to calculate the two body nonleptonic decays $ B o D^{(*)} D_s(2317)(D_s(2460))$, if the $D_s(2317)$ and $D_s(2460)$ are interpreted as $DK$ and $D^*K$ molecules. | | Source: | arXiv, hep-ph/0307106 | | Services: | Forum | Review | PDF | Favorites | |
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