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Prog. Theor. Phys. Vol. 53 No. 4 (1975) pp. 1162-1177
Strong Interaction Property of Double Dirac String
Masasi Fujigaki
Department of Physics, Nagoya University, Nagoya
(Received July 17, 1974)
Abstract:
We investigate the double Dirac string model for baryons proposed by Takabayasi. Explicit solutions to the wave equation for the double Dirac string are given. The elastic scattering amplitude of a nucleon and a pseudoscalar particle is calculated, the nucleon referring to the ground state of the string. Using the pseudoscalar coupling with the center-of-mass Dirac matrix, it is shown that the B amplitude has a pole-pole type duality, whereas the A amplitude vanishes identically. The imaginary part of the B amplitude has Regge asymptotic but the real one does not. A coupling scheme giving a non-vanishing A amplitude is also presented.
URL :
http://ptp.ipap.jp/link?PTP/53/1162/
DOI : 10.1143/PTP.53.1162
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