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Calculation of the spectrum of 12Li by using the multistep shell model method in the complex energy plane

Abstract : The unbound nucleus $^{12}$Li is evaluated by using the multistep shell model in the complex energy plane assuming that the spectrum is determined by the motion of three neutrons outside the $^9$Li core. It is found that the ground state of this system consists of an antibound $1/2^+$ state and that only this and a $1/2^-$ and a $5/2^+$ excited states are physically meaningful resonances.
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Preprints, Working Papers, ...
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http://hal.in2p3.fr/in2p3-00476287
Contributor : Michel Lion <>
Submitted on : Monday, April 26, 2010 - 9:14:15 AM
Last modification on : Thursday, November 5, 2020 - 9:26:02 AM

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  • HAL Id : in2p3-00476287, version 1
  • ARXIV : 1004.4083

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Z. X. Xu, R. J. Liotta, Chong Qi, T. Roger, P. Roussel-Chomaz, et al.. Calculation of the spectrum of 12Li by using the multistep shell model method in the complex energy plane. 2010. ⟨in2p3-00476287⟩

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