Revalidation of the isobaric multiplet mass equation for the A = 20 quintet

Revalidation of the isobaric multiplet mass equation for the A = 20 quintet B. E. Glassman,1,2,* D. Pérez-Loureiro,2,† C. Wrede,1,2,‡ J. Allen,3 D. W. Bardayan,3 M. B. Bennett,1,2 B. A. Brown,1,2 K. A. Chipps,4,5 M. Febbraro,4,5 C. Fry,1,2 M. R. Hall,3 O. Hall,3 S. N. Liddick,6,2 P. O’Malley,3 W. Ong,1,2 S. D. Pain,4 S. B. Schwartz,1,2 P. Shidling,7 H. Sims,8 P. Thompson,4,5 and H. Zhang1,2 1Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA 2National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA 3Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA 4Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA 5Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA 6Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA 7Cyclotron Institute, Texas A & M University College Station, Texas 77843, USA 8University of Surrey, GU2 7XH, Guildford, United Kingdom (Received 8 September 2015; published 29 October 2015)