Does the excited state of the $^3$H nucleus exist?

Details Does the excited state of the $^3$H nucleus exist? Does the excited state of the $^3$H nucleus exist?

1994-12-26

arxiv.org/abs/nucl-th/9412036v1

Physics

Nuclear Physics

Nuclear Theory

12 pages, latex, 1 Postscript figure included as uuencoded and compressed file, to be published in Pis'ma ZETPh, v.61, n.1 (19

Scientific paper

The suggestion is made that the excited state of the $^3 H$ nucleus found out recently in the reaction $H$ ($^6 He$,$\alpha$) ({\it Pis'ma JETPh\/} {\bf 59} (1994) 301) has spin and parity $1/2^+$ and the same configuration that the ground one of $^6 He$. An amplitude of electromagnetic transition to the triton ground state is strongly suppressed, therefore the excited state cannot be detected in radiative capture of neutrons by deuterons. It is shown that in an elastic nd-scattering a resonance associated with the exited state may be absent due to the destructive interference of potential and resonant scattering phases.

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