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Study of the DKK and DKK¯ systems

V. R. Debastiani1,*, J. M. Dias1,2,†, and E. Oset1,‡

  • 1Departamento de Física Teórica and IFIC, Centro Mixto Universidad de Valencia-CSIC, Institutos de Investigación de Paterna, Apartado 22085, 46071 Valencia, Spain
  • 2Instituto de Física, Universidade de São Paulo, C.P. 66318, 05389-970 São Paulo, São Paulo, Brazil

  • *vinicius.rodrigues@ific.uv.es
  • †jorgivan.morais@ific.uv.es
  • ‡oset@ific.uv.es
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Phys. Rev. D 96, 016014 – Published 25 July, 2017

DOI: https://doi.org/10.1103/PhysRevD.96.016014

Abstract

Using the fixed center approximation to Faddeev equations, we investigate the DKK and DKK¯ three-body systems, considering that the DK dynamically generates, through its I=0 component, the Ds0*(2317) molecule. According to our findings, for the DKK¯ interaction we find evidence of a state I(JP)=1/2(0−) just above the Ds0*(2317)K¯ threshold and around the Df0(980) threshold, with mass of about 2833–2858 MeV, made mostly of Df0(980). On the other hand, no evidence related to a state from the DKK interaction is found. The state found could be seen in the ππD invariant mass.

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Phys. Rev. D 96, 016014– Published 25 July, 2017
  • Received 12 June 2017

© 2017 American Physical Society

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