Abstract
The nuclear charge radius of Si32 was determined using collinear laser spectroscopy. The experimental result was confronted with ab initio nuclear lattice effective field theory, valence-space in-medium similarity renormalization group, and mean field calculations, highlighting important achievements and challenges of modern many-body methods. The charge radius of Si32 completes the radii of the mirror pair Ar32-Si32, whose difference was correlated to the slope L of the symmetry energy in the nuclear equation of state. Our result suggests L≤60 MeV, which agrees with complementary observables.
| Original language | English |
|---|---|
| Article number | 162502 |
| Journal | Physical Review Letters |
| Volume | 132 |
| Issue number | 16 |
| DOIs | |
| State | Published - Apr 19 2024 |
Funding
This work was supported in part by the National Science Foundation under Grants No.\u00A0PHY-21-11185 and No.\u00A0PHY-21-10365, and the U.S. Department of Energy under the Grants No.\u00A0DE-SC0021176, No.\u00A0DE-SC0021152, No.\u00A0DE-SC0013365, No.\u00A0DE-SC0023658, SciDAC-5 NUCLEI Collaboration. Calculations of isotope shift constants have been supported by the Russian Science Foundation Grant No.\u00A019-72-10019-P. We thank the Center for Information Technology of the University of Groningen for their support and for providing access to the Peregrine high-performance computing cluster. J.\u2009K. acknowledges the support of a Feodor Lynen Fellowship of the Alexander-von-Humboldt Foundation. Y.\u2009Z.\u2009M. was supported by the National Natural Science Foundation of China under Grant No.\u00A012105106 and China Postdoctoral Science Foundation under Grant No.\u00A0BX20200136. The work of U.\u2009G.\u2009M. and S.\u2009E. was supported in part by the European Research Council (ERC) under the European Union\u2019s Horizon 2020 research and innovation program (Grant Agreement No.\u00A0101018170). The work of U.\u2009G.\u2009M. was further supported by VolkswagenStiftung (Grant No.\u00A093562) and by the CAS President\u2019s International Fellowship Initiative (PIFI) (Grant No.\u00A02018DM0034). For the lattice calculations, we acknowledge computational resources provided by the Oak Ridge Leadership Computing Facility through the INCITE award \u201CAb\u00A0initionuclear structure and nuclear reactions,\u201D the Southern Nuclear Science Computing Center, the Gauss Centre for Supercomputing e.V. for computing time on the GCS Supercomputer JUWELS at the J\u00FClich Supercomputing Centre (JSC), and the Institute for Cyber-Enabled Research at Michigan State University. VS-IMSRG calculations are supported by NSERC under Grants No.\u00A0SAPIN-2018-00027 and No.\u00A0RGPAS-2018-522453 as well as the Arthur B. McDonald Canadian Astroparticle Physics Research Institute. This work was supported in part by the National Science Foundation under Grants No. PHY-21-11185 and No. PHY-21-10365, and the U.S. Department of Energy under the Grants No. DE-SC0021176, No. DE-SC0021152, No. DE-SC0013365, No. DE-SC0023658, SciDAC-5 NUCLEI Collaboration. Calculations of isotope shift constants have been supported by the Russian Science Foundation Grant No. 19-72-10019-P. We thank the Center for Information Technology of the University of Groningen for their support and for providing access to the Peregrine high-performance computing cluster. J.\u2009K. acknowledges the support of a Feodor Lynen Fellowship of the Alexander-von-Humboldt Foundation. Y.\u2009Z.\u2009M. was supported by the National Natural Science Foundation of China under Grant No. 12105106 and China Postdoctoral Science Foundation under Grant No. BX20200136. The work of U.\u2009G.\u2009M. and S.\u2009E. was supported in part by the European Research Council (ERC) under the European Union\u2019s Horizon 2020 research and innovation program (Grant Agreement No. 101018170). The work of U.\u2009G.\u2009M. was further supported by VolkswagenStiftung (Grant No. 93562) and by the CAS President\u2019s International Fellowship Initiative (PIFI) (Grant No. 2018DM0034). For the lattice calculations, we acknowledge computational resources provided by the Oak Ridge Leadership Computing Facility through the INCITE award \u201CAb initio nuclear structure and nuclear reactions,\u201D the Southern Nuclear Science Computing Center, the Gauss Centre for Supercomputing e.V. for computing time on the GCS Supercomputer JUWELS at the J\u00FClich Supercomputing Centre (JSC), and the Institute for Cyber-Enabled Research at Michigan State University. VS-IMSRG calculations are supported by NSERC under Grants No. SAPIN-2018-00027 and No. RGPAS-2018-522453 as well as the Arthur B. McDonald Canadian Astroparticle Physics Research Institute. We thank S.\u2009R. Stroberg for the imsrg ++ code used to perform these calculations. Computations were performed with an allocation of computing resources on Cedar at WestGrid and the Digital Research Alliance of Canada.