D_s(2317) and D_s(2457) from HQET Sum Rules

Chao-Shang Huang; Chun Liu; Shi-Lin Zhu; Yuan-Ben Dai

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D_s(2317) and D_s(2457) from HQET Sum Rules

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arxiv hep-ph/0401142 v1 pith:SUMVMNT4 submitted 2004-01-20 hep-ph

D_s(2317) and D_s(2457) from HQET Sum Rules

Yuan-Ben Dai , Chao-Shang Huang , Chun Liu , Shi-Lin Zhu This is my paper

classification hep-ph

keywords rulesstatesangularc-barcalculatecomponentconsistenteffective

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Within the framework of the heavy quark effective theory, QCD sum rules are used to calculate the masses of p-wave (c-bar s) states. The results for 0^+ and 1^+ states with the angular momentum of the light component j_l=1/2 are consistent with the experimental values for D_s(2317) and D_s(2457), respectively.

D_s(2317) and D_s(2457) from HQET Sum Rules

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