1. Department for Neutron Materials Characterization, Institute for Energy Technology, Instituttveien 18, Postboks 40, NO-2027 Kjeller, Norway. E-mail: rodion.kolevatov@ife.no
2. SwissNeutronics AG, Brühlstrasse 28, CH-5313 Klingnau, Switzerland. E-mail: christian.schanzer@swissneutronics.ch
3. Physik-Department E21, Technische Universität München, James-Franck-Str. 1, D-85748 Garching, Germany. E-mail: pboeni@frm2.tum.de