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Report No.

Laser-assisted decay spectroscopy for the ground states of $$^{180,182}$$Au

Harding, R. D.*; Andreyev, A. N.; Barzakh, A. E.*; Atanasov, D.*; Cubiss, J. G.*; Van Duppen, P.*; 40 of others*

A detailed nuclear spectroscopy study of $$^{180}$$Au was performed. An $$alpha$$-decay branching ratio of $$0.58(10)$$% and a half-life of $$7.2(5)$$s have been derived. The first measurement of the hyper fine structure for atomic transitions has been also performed, from which the magnetic dipole moment has been extracted. A spin assignment of $$(1^+)$$ is proposed for the ground state of $$^{180}$$Au, with a $$(pi3/2^-$$[532]$$timesnu5/2^-$$[512]$$)$$ configuration.



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Category:Physics, Nuclear



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