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We show a different modification of Poincare algebra that also preserves Lorentz algebra. The change begins with how boosts affect spacetime in a way similar to how they affect the momenta in kappa Po...
Effective Mass Dirac-Morse Problem with any kappa-value
generalized Morse potential Dirac equation Position-Dependent Mass Nikiforov- Uvarov Method Spin Symmetry Pseudospin Symmetry
2010/3/10
The Dirac-Morse problem are investigated within the framework of an approximation to the term proportional to $1/r^2$ in the view of the position-dependent mass formalism. The energy eigenvalues and c...
A study of charged kappa in $J/\psi \to K^{\pm} K_s \pi^{\mp} \pi^0$
$J/\psi \ K^{\pm} K_s \pi^{\mp} \pi^0$ mass spectrum
2010/3/15
Based on $58 \times 10^6 $ $J/\psi$ events collected by BESII, the decay $J/\psi \to K^{\pm} K_s \pi^{\mp} \pi^0$ is studied. In the invariant mass spectrum recoiling against the charged $K^*(892)^{\p...