1. 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

2. 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

3. 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:
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

4. 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

5. 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 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)

6. 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!!!