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Masses and decay constants of the heavy tensor mesons with QCD sum rules

  • Zhi-Gang WangEmail author
  • Zun-Yan Di
Regular Article - Theoretical Physics

Abstract.

In this article, we calculate the contributions of the vacuum condensates up to dimension-6 in the operator product expansion and study the masses and decay constants of the heavy tensor mesons \( D_{2}^{*}(2460)\), \( D_{s2}^{*}(2573)\), \( B_{2}^{*}(5747)\), \( B_{s2}^{*}(5840)\) using the QCD sum rules. The predicted masses are in excellent agreement with the experimental data, while the ratios of the decay constants \( \frac{f_{D_{s2}^{*}}}{f_{D_{2}^{*}}} \approx \frac{f_{B_{s2}^{*}}}{f_{B_{2}^{*}}} \approx\frac{f_{D_{s}}}{f_{D}} \mid_{\exp}\), where the exp denotes the experimental value.

Keywords

Heavy Quark Decay Constant Feynman Diagram Operator Product Expansion Gluon Condensate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Department of PhysicsNorth China Electric Power UniversityBaodingP. R. China

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