Articles written in Pramana – Journal of Physics
Volume 79 Issue 4 October 2012 pp 891-894 Poster Presentations
The $K \phi$ form factors are investigated at low energies by the method of unitarity bounds adapted so as to include information on the phase and modulus along the elastic region of the unitarity cut. Using as input the values of the form factors at $t = 0$, and at the Callan–Treiman point in the scalar case, stringent constraints are obtained on the slope and curvature parameters of the Taylor expansion at the origin.
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