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pi(1800) by Primakoff production

Because the decay tex2html_wrap_inline2906 is forbidden kinematically the corresponding Primakoff process for tex2html_wrap_inline2264 (1800) is suppressed by a photon virtuality ( tex2html_wrap_inline2910 ). In addition the absence (or suppression) of the decay tex2html_wrap_inline2912 indicates that even at large tex2html_wrap_inline2914 the electromagnetic excitation strength for tex2html_wrap_inline2264 (1800) is small.

Lars Schmitt
Wed May 22 16:44:09 METDST 1996