Author Affiliations

D. H. Kaplan,^a,* J. C. Morgan,^a,1 W. R. Binns,^b P. Hink,^b,2 and A Davis^b,3

^aDepartment of Physics, Southern Illinois University Edwardsville, Edwardsville, Illinois 62026

^bDepartment of Physics and the McDonnellCenter for Space Sciences, Washington University, St. Louis, Missouri 63130

¹Current address: Dept. of Physics Oklahoma State University, Stillwater, Oklahoma, USA

²Current address: Burle Industries, Lancaster, Pennsylvania, USA

³Current address: Dept. of Physics, California Institute of Technology, Pasadena, California, USA

^*Corresponding author: dkaplan@siue.edu