1. Four-dimensional positron age-momentum correlation. (17th November 2016) Authors: Ackermann, Ulrich; Löwe, Benjamin; Dickmann, Marcel; Mitteneder, Johannes; Sperr, Peter; Egger, Werner; Reiner, Markus; Dollinger, Günther Journal: New journal of physics Issue: Volume 18:Number 11(2016:Nov.) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗