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The small K π component in the K* wave functions

  • C. W. XiaoEmail author
  • F. Aceti
  • M. Bayar
Regular Article - Theoretical Physics

Abstract.

We use a recently developed formalism which generalizes Weinberg's compositeness condition to partial waves higher than s -wave in order to determine the probability of having a K π component in the K* wave function. A fit is made to the K π phase shifts in p -wave, from where the coupling of K* to K π and the K π loop function are determined. These ingredients allow us to determine that the K* is a genuine state, different from a K π component, in a proportion of about 80%.

Keywords

Partial Wave Particle Data Group Loop Function Riemann Sheet Unitary Approach 
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 2013

Authors and Affiliations

  1. 1.Departamento de Fısica Teórica and IFIC, Centro Mixto Universidad de Valencia-CSICInstitutos de Investigación de PaternaValenciaSpain
  2. 2.Department of PhysicsKocaeli UniversityIzmitTurkey

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