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Nuclear Charge Radii of Silicon Isotopes

Journal Article · · Physical Review Letters
 [1];  [2];  [3];  [4];  [5];  [5];  [6];  [7];  [4];  [8];  [9];  [4];  [5];  [5];  [10];  [5];  [11];  [12];  [13];  [3] more »;  [13];  [4];  [14] « less
  1. Michigan State University, East Lansing, MI (United States); Technische Universtität Darmstadt (Germany); MIT
  2. University of New South Wales (Australia)
  3. University of Groningen (Netherlands)
  4. Massachusetts Institute of Technology (MIT), Cambridge, MA (United States)
  5. Michigan State University, East Lansing, MI (United States)
  6. Gaziantep Islam Science and Technology University (Turkey); Universität Bonn (Germany)
  7. Tel Aviv University (Israel)
  8. TRIUMF, Vancouver, BC (Canada); McGill University, Montreal, QC (Canada)
  9. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  10. Universität Bonn (Germany)
  11. Petersburg Nuclear Physics Institute, Gatchina (Russia); Moscow Institute of Physics and Technology (Russia)
  12. Michigan State University, East Lansing, MI (United States); KU Leuven (Belgium)
  13. Petersburg Nuclear Physics Institute, Gatchina (Russia); Saint Petersburg State University (Russia)
  14. 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.

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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