Jefferson Lab Users Group Meeting Start of the 12 GeV Era John Arrington (JLab Users Group Chair) Argonne National Laboratory JLab Users Group Meeting, June 2-4, 2014

Users Group Board of Directors May 2014 Election: Vice-chair Haiyan Gao At-large members Elton Smith Silvia Niccolai Garth Huber Postdoc Rep. Elena Long Grad Student Rep. Melissa Cummings Nominating committee: D. Day, N. Walford, R. Holt, I. Niculescu, K. Slifer, V. Crede UGM organization: Katherine (Myers) Mesick Lorelei Chopard Steffen Strauch Dipangkar Dutta JA

Program Notes Tomorrow (Tuesday, June 3): The morning coffee break will be shortened by 10 minutes for Presentation by Jerry Draayer and JSA Award Presentations (Postdoc Prize, Thesis Prize) Talks are being livecast on the web; links to the video feed are on the main meeting page: http://www.jlab.org/conferences/ugm/program.html We are proposing a change to the Users Group Charter to move to a four-person chair line (Chair Elect, Vice Chair, Chair, Past Chair): Details will be presented at the business meeting tomorrow (5pm) Lunch times coordinates with HUGS (for student lunch seminars), so we’ll need to keep on schedule

12 GeV Project Highlights Hall D & Counting House Hall D Arc Magnets 12 GeV Cryomodules Hall B Drift Chamber Hall D Central Drift Chamber Hall C

Accelerator Commissioning Progress 2214 MeV 34 MeV 2R 0R E0 ~ 6.1 GeV PHMS ~ 2-3 GeV 1124 MeV CHL1, CHL2 operational Linacs at 2K North Linac – 1090 MeV South LINAC – 1090 MeV CEBAF 2.214 GeV Optics, Magnets great 1R 2S KPP: machine capable of 12 GeV 1 pass at 2.2 GeV/pass for 8 hours with acceptable trip rate (50% uptime)

2014 Progress so far… and beyond?? 24 22 20 18 16 14 12 2014 Progress so far… and beyond?? 12 10 8 6 4 2 R&D Magazine: “Scientists unleash highest-energy beam ever at Jefferson Lab” …and we’re not done yet! Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Today Feb 5: 2.2 GeV (1 pass) to BSY! Apr 1: 6.1 GeV to Hall A!! May 7: 10.5 GeV to Hall D!!!