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Understanding the D^+_(sJ)(2317) and D^+_(sJ)(2460) with Sum Rules in HQET

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arxiv hep-ph/0306274 v4 pith:B4RGON2I submitted 2003-06-27 hep-ph hep-exhep-latnucl-th

Understanding the D^+_(sJ)(2317) and D^+_(sJ)(2460) with Sum Rules in HQET

classification hep-ph hep-exhep-latnucl-th
keywords statesrulesbabarcalculatecleoconsistentdoubleteffective
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In the framework of heavy quark effective theory we use QCD sum rules to calculate the masses of the $\bar c s$ $(0^+, 1^+)$ and $(1^+, 2^+)$ excited states. The results are consistent with that the states $D_{sJ}(2317)$ and $D_{sJ}(2460)$ observed by BABAR and CLEO are the $0^+$ and $1^+$ states in the $j_l={1\over 2}^+$ doublet.

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