Hi Gentlemen, This week we'll hold our LQS meeting on Thursday, May 5, at 2 PM Eastern. This week we'll discuss a recent preprint, arXiv:1104.2747, by Blumlein et al, "New Exclusion Limits for Dark Gauge Forces from Beam-Dump Data". They re-analyze a late-1980s beam dump experiment at Serpukhov to set new mass coupling limits for a dark gauge boson. The paper is too big to send through our listserver, so please download it from http://arxiv.org/abs/1104.2747. As usual, our call-in number the local ReadyTalk access number for your country (US: 866-740-1260, or check www.readytalk.com). Access code is 3144955. Thank you, --Ray