[1] Department of Physics,
[2] Lund University,undefined
[3] S-22100 Lund,undefined
[4] Sweden,undefined
[5] Physics Division,undefined
[6] Oak Ridge National Laboratory,undefined
[7] Oak Ridge,undefined
[8] TN 37831,undefined
[9] USA,undefined
[10] Institut für Kernphysik,undefined
[11] Universität zu Köln,undefined
[12] D-50937 Köln,undefined
[13] Germany,undefined
[14] Department of Physics and Astronomy,undefined
[15] McMaster Univeristy,undefined
[16] Hamilton,undefined
[17] Ontario,undefined
[18] L8S 4M1 Canada,undefined
[19] Chemistry Department,undefined
[20] Washington University,undefined
[21] St. Louis,undefined
[22] MO 63130,undefined
[23] USA,undefined
[24] Department of Physics,undefined
[25] University of Tennessee,undefined
[26] Knoxville,undefined
[27] TN 37996,undefined
[28] USA,undefined
[29] Department of Physics and Astronomy,undefined
[30] Michigan State University,undefined
[31] East Lansing,undefined
[32] MI 48824,undefined
[33] USA,undefined