Nuclear Charge Radii of Silicon Isotopes

König, Kristian; Berengut, Julian C.; Borschevsky, Anastasia; Brinson, Alex; Brown, B. Alex; Dockery, Adam; Elhatisari, Serdar; Eliav, Ephraim; Garcia Ruiz, Ronald F.; Holt, Jason D.; Hu, Bai-Shan; Karthein, Jonas; Lee, Dean; Ma, Yuan-Zhuo; Meißner, Ulf-G; Minamisono, Kei; Oleynichenko, Alexander V.; Pineda, Skyy V.; Prosnyak, Sergey D.; Reitsma, Marten L.; Skripnikov, Leonid V.; Vernon, Adam; Zaitsevskii, Andréi

doi:10.1103/physrevlett.132.162502

Title: Nuclear Charge Radii of Silicon Isotopes

Journal Article · 15 April 2024 · Physical Review Letters

DOI: https://doi.org/10.1103/physrevlett.132.162502 · OSTI ID:2357015

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Michigan State University, East Lansing, MI (United States); Technische Universtität Darmstadt (Germany); MIT
University of New South Wales (Australia)
University of Groningen (Netherlands)
Massachusetts Institute of Technology (MIT), Cambridge, MA (United States)
Michigan State University, East Lansing, MI (United States)
Gaziantep Islam Science and Technology University (Turkey); Universität Bonn (Germany)
Tel Aviv University (Israel)
TRIUMF, Vancouver, BC (Canada); McGill University, Montreal, QC (Canada)
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Universität Bonn (Germany)
Petersburg Nuclear Physics Institute, Gatchina (Russia); Moscow Institute of Physics and Technology (Russia)
Michigan State University, East Lansing, MI (United States); KU Leuven (Belgium)
Petersburg Nuclear Physics Institute, Gatchina (Russia); Saint Petersburg State University (Russia)
Petersburg Nuclear Physics Institute, Gatchina (Russia); M. V. Lomonosov Moscow State University (Russia)

The nuclear charge radius of ³²Si 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 ³²Si completes the radii of the mirror pair ³²Ar – ³²Si, whose difference was correlated to the slope L of the symmetry energy in the nuclear equation of state. Furthermore, our result suggests L ≤ 60 MeV, which agrees with complementary observables.

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Research Organization:: Massachusetts Institute of Technology (MIT), Cambridge, MA (United States)

Sponsoring Organization:: USDOE; National Science Foundation (NSF); NSERC

Grant/Contract Number:: SC0021176; SC0021152; SC0013365; SC0023658; SC0021152

OSTI ID:: 2357015

Alternate ID(s):: OSTI ID: 2396364

Journal Information:: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 16 Vol. 132; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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