Details

Autor(en) / Beteiligte

• De Gregorio, G.
• Knapp, F.
• Lo Iudice, N.
• Veselý, P.
• Shneidman, T.
• Rogov, I.
• Vdovin, A.
• Bezbakh, A.
• Arsenyev, N.

Titel

The equation of motion phonon method and its application in the neutron rich oxygen region

Ist Teil von

• EPJ Web of Conferences, 2018, Vol.194, p.1003

Ort / Verlag

Les Ulis: EDP Sciences

Erscheinungsjahr

2018

Link zum Volltext

Quelle

EZB Free E-Journals

Beschreibungen/Notizen

• An equation of motion phonon method, developed for even-even nuclear systems and extended to odd nuclei, is applied to 22 O and to its odd neighbors 23 O and 23 F. A calculation using the chiral potential NNLO opt is carried out in a space encompassing up to two phonons. The computed dipole cross section in 22 O and the spectra of 22 O and 23 O are in a satisfactory agreement with the experimental data. However, the calculation describes poorly the spectrum of 23 F. This discrepancy originates from the strong coupling between the odd proton and the 22 O phonons of neutron nature. This coupling pushes down in energy several states enhancing the level density at low energy. We suggest that a viable route for the solution of this problem could be the inclusion of the three-body interaction using the new chiral potential NNLO sat .