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Title: Ab initio no-core shell model study of neutron-rich nitrogen isotopes
Authors: Saxena A.
Srivastava, Praveen Chandra
Published in: Progress of Theoretical and Experimental Physics
Abstract: We have calculated the energy spectra for neutron-rich $^{18-22}$N isotopes using the no-core shell model. To calculate the energy spectrum we have used three different $NN$ potentials: inside non-local outside Yukawa (INOY), next-to-next-to-next-leading order (N3LO) from chiral effective field theory, and charge-dependent Bonn 2000 (CDB2K). The INOY potential is a two-body interaction but also has the effect of three-body forces at short range and a non-local character present in it. The calculations have been done at $\hbar\Omega=20$ MeV, 14 MeV, and 12 MeV using INOY, N3LO, and CDB2K potentials, respectively. We have also performed shell model calculations with the YSOX interaction. The results with the INOY interaction show good agreement with the experimental data in comparison to the other three interactions. We have also shown the occupancy of different orbitals involved corresponding to the largest model space ($N_{\rm max} = 4$) in the calculations. © 2019 The Author(s). Published by Oxford University Press on behalf of the Physical Society of Japan.
Citation: Progress of Theoretical and Experimental Physics (2019), 2019(7): -
Issue Date: 2019
Publisher: Physical Society of Japan
Keywords: D00
ISSN: 20503911
Author Scopus IDs: 57209145804
Author Affiliations: Saxena, A., Department of Physics, Indian Institute of Technology Roorkee, Roorkee, 247 667, India
Srivastava, P.C., Department of Physics, Indian Institute of Technology Roorkee, Roorkee, 247 667, India
Funding Details: AS acknowledges financial support from MHRD (Government of India) for her Ph.D. thesis work. We would like to thank Prof. Petr Navrátil for providing us with his NN effective interaction code, and to Prof. Christian Forssén for pAntoine. We would also like to thank Prof. Ruprecht Machleidt for valuable comments on this article, and Prof. Toshio Suzuki for the YSOX interaction. PCS acknowledges the hospitality extended to him during his stay at TRIUMF.
Corresponding Author: Srivastava, P.C.; Department of Physics, Indian Institute of Technology RoorkeeIndia; email:
Appears in Collections:Journal Publications [PH]

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