====== LPN11-17 New Exclusion Limits for Dark Gauge Forces from Beam-Dump Data ====== ^ LPN11-17 New Exclusion Limits for Dark Gauge Forces from Beam-Dump Data ^ |**Johannes Bluemlein and Juergen Brunner** | |** Phys. Lett. B701 155 2011 ** | |[[http://arxiv.org/abs/1104.2747|arXiv]] | | |