“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 12841
School of Particles and Accelerator
  Title:   Capture of K- by the 4He atom and the internal Auger effect in the Kαe kaonic atom
1.  S. Z Kalantari
2.  Shahin Sanaye Hajari
3.  Mohsen Dayyani Kelisani
  Status:   Published
  Journal: Phys. Rev. C
  No.:  024603
  Vol.:  86
  Year:  2012
  Pages:   1-5
  Supported by:  IPM
In this paper, we have investigated the interactions ofK − in a 4He target using a quantum mechanical approach. For this purpose, we have used time-dependent perturbation theory and Fermi’s golden rule to calculate the capture rate of K− by the 4He atom and the rate of internal Auger effect in the Kαe atom. The initial distribution of n, states in the Kα+ ion is also calculated. Some detailed analytical and numerical quantum mechanical calculations are performed for several transitions. Our results for the n, distributions in Kα+ ions are necessary to begin a Monte Carlo simulation of the cascade processes in kaonic helium atoms

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