Possible Shape Coexistence and Magnetic Dipole Transitions in $^{17}$C and $^{21}$Ne

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dc.creatorSagawa, H.
dc.creatorZhou, X. R.
dc.creatorSuzuki, Toshio
dc.creatorYoshida, N.
dc.date2008-10-14
dc.date.accessioned2026-07-07T11:45:53Z
dc.date.available2026-07-07T11:45:53Z
dc.descriptionMagnetic dipole(M1) transitions of N=11 nuclei, $^{17}$C and $^{21}$Ne are investigated by using shell model and deformed Skyrme Hartree-Fock+blocked BCS wave functions. Shell model calculations predict well observed energy spectra and magnetic dipole transitions in $^{21}$Ne, while the results are rather poor to predict these observables in $^{17}$C. In the deformed HF calculations, the ground states of two nuclei are shown to have large prolate deformations close to $β_2$=0.4. It is also pointed out that the first $K^π=1/2^+$ state in $^{21}$Ne is prolately deformed, while the first $K^π=1/2^+$ state in $^{17}$C is predicted to have a large oblate deformation being close to the ground state in energy, We point out that experimentally observed large hindrance of M1 transition between $I^π=1/2^+$ and $3/2^+$ in $^{17}$C can be attributed to a shape coexistence near the ground state of $^{17}$C.
dc.description5pages, 1figure. Phys. Rev. C, rapid communications, in press
dc.identifierhttps://arxiv.org/abs/0810.2363
dc.identifierhttp://arxiv.org/abs/0810.2363
dc.identifierPhys.Rev.C78:041304,2008
dc.identifierdoi:10.1103/PhysRevC.78.041304
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/202035
dc.subjectNuclear Theory
dc.titlePossible Shape Coexistence and Magnetic Dipole Transitions in $^{17}$C and $^{21}$Ne
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