Second0+state of unboundO12: Scaling of mirror asymmetry

• DOI: 10.1103/physrevc.93.024316
• Publication Date: 2016-02-23T17:08:38Z
• Authors: D. Suzuki; H. Iwasaki; D. Beaumel; M. Assié; H. Baba; Y. Blumenfeld; F. de Oliveira Sa...; N. de Séréville; A. Drouart; S. Franchoo; J. Gibelin; A. Gillibert; S. Giron; S. Grévy; J. Guillot; M. Hackstein; F. Hammache; N. Keeley; V. Lapoux; F. Maréchal; A. Matta; S. Michimasa; L. Nalpas; F. Naqvi; H. Okamura; H. Otsu; J. Pancin; D. Y. Pang; L. Perrot; C. M. Petrache; E. Pollacco; A. Ramus; W. Rother; P. Roussel-Chomaz; H. Sakurai; J.-A. Scarpaci; O. Sorlin; P. C. Srivastava; I. Stefan; C. Stodel; Y. Tanimura; S. Terashima
• Keywords: 0103 physical sciences; [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]; 530; 01 natural sciences

The unbound 12O nucleus was studied via the two-neutron transfer (p,t) reaction in inverse kinematics using a radioactive 14O beam at 51 MeV/u. Excitation energy spectra and differential cross sections were deduced by missing mass method MUST2 telescopes. We achieved much higher statistics compared to previous experiments of 12O, which allowed accurate determination resonance unambiguous spin parity assignment. previously reported same confirmed an excitation 1.62±0.03(stat.)±0.10(syst.). MeV assigned 0+ from distorted-wave Born approximation analysis sections. Mirror symmetry with respect its neutron-rich partner 12Be is discussed difference second states. In addition, systematics known states, distinct correlation revealed between mirror binding after carrying out scaling charge. show that observed state highly deviated systematic trend deeply bound nuclei line relation found for weakly substantial 2s1/2 component. importance asymmetry context ab initio calculations near drip lines universality few-body quantum systems.3 MoreReceived 30 November 2015DOI:https://doi.org/10.1103/PhysRevC.93.024316©2016 American Physical SocietyPhysics Subject Headings (PhySH)Research AreasEnergy levelsNuclear bindingNuclear forcesTransfer reactionsProperties6 ≤ A 19TechniquesSpectrometers & spectroscopic techniquesNuclear Physics