Affiliation: | 1.Department of Physics, Uppsala University, Box 530, 751 21, Uppsala, Sweden ;2.The Soltan Institute for Nuclear Studies, 05-400, Otwock-Swierk, Poland ;3.Institut für Experimentalphysik, Freie Universit?t Berlin, Arnimallee 14, 19145, Berlin, Germany ;4.Institute of Experimental Physics, University of Bia?ystok, ul. Lipowa 41, 15-424, Bia?ystok, Poland ;5.Department of Material Science, Uppsala University, Box 534, 751 21, Uppsala, Sweden ; |