High precision measurements of 26Na β- decay

High precision measurements of 26Na β− decay G. F. Grinyer,1,∗ C. E. Svensson,1 C. Andreoiu,1 A. N. Andreyev,2 R. A. E. Austin,3,† G. C. Ball,2 R. S. Chakrawarthy,2 P. Finlay,1 P. E. Garrett,1,2 G. Hackman,2 J. C. Hardy,4 B. Hyland,1 V. E. Iacob,4 K. A. Koopmans,3 W. D. Kulp,5 J. R. Leslie,6 J. A. Macdonald,2 A. C. Morton,2 W. E. Ormand,7 C. J. Osborne,2 C. J. Pearson,2 A. A. Phillips,1 F. Sarazin,2,‡ M. A. Schumaker,1 H. C. Scraggs,2,§ J. Schwarzenberg,8 M. B. Smith,2 J. J. Valiente-Dobón,1 J. C. Waddington,3 J. L. Wood,5 and E. F. Zganjar9 1Department of Physics, University of Guelph, Guelph, Ontario, N1G 2W1 Canada 2TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3 Canada 3Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, L8S 4K1 Canada 4Cyclotron Institute, Texas A&M University, College Station, Texas 77843 5School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0430 6Department of Physics, Queen’s University, Kingston, Ontario, K7L 3N6 Canada 7Lawrence Livermore National Laboratory, Livermore, California 94551 8Department of Nuclear Physics, University of Vienna, Waehringerstrasse 17, Vienna, A-1090 Austria 9Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803-4001 (Received 22 November 2004; published 21 April 2005)