Jefferson Lab Weekly Briefs
October 17, 2012

12 GeV Upgrade

The 12 GeV Project Team and the JLab ESH&Q Division continue to make preparations for the Accelerator Readiness Review (ARR). The draft of the Final Safety Assessment Document (FSAD) was submitted to the Thomas Jefferson Site Office for review and all resulting comments have been reconciled. The updated FSAD will be submitted to the Site Office Manager by the end of the month for approval. The membership of the ARR review committee is being developed.

Long Shutdown

The lab is five months into the 16-month Long Shutdown, almost a third of the way through the installation period of the 12 GeV accelerator. Given the size, complexity and the mutual dependency of the activities in progress, staffers were aware from the start that 16 months were too many to plan rigidly and that the overall plan needed to be reassessed periodically. The time for a first reassessment of the lab-wide shutdown plan is in November. At almost six months into the down, staffers should have enough experience to know what is progressing well and where the delays exist. There are enough critical decisions ahead to make it worthwhile to stop and readjust the overall trajectory if needed. Staffers are starting this effort now with the goal to have the process completed, presented and discussed before Thanksgiving.

Center for Theoretical and Computational Physics

A new lattice QCD study has computed the potential between two static B mesons, parametrized by functional forms motivated by the quark model. Subsequently solving the Schroedinger equation for this system in the infinite volume has allowed the possibility of a tetra-quark bound state to be identified, with binding energy of about 50(5) MeV.

Engineering

Work continued on the Hall D tagger shielding wall. The wall is approximately 70 percent complete. The northeast spreader (S1) stands have been installed and are being aligned. All the dipoles in pass one and three of the east arc have been refurbished and installed. The installation in pass 1 and 3 completes all the re-work on the dipoles that began with the west arc magnets during the Six Month Shutdown and finalized in the 12 month down. The 1st BCOM spreader/recombiner dipole is out of the machine shop and has been sent to the Magnet Measurement factory for re-assembly and testing. The machining of this magnet was completed using a new CNC machine, which has helped extend the capabilities of the machine shop. A replacement septum magnet coil has been received and has passed all testing prior to insertion in the magnet. A full testing must be done when the magnet is reassembled. The west recombiner stand modifications have been completed.

JLab Calendar of Events

Oct. 17: Colloquium and Public Lecture
Oct. 23: American Red Cross Blood Drive
Oct. 24: JAG Oktoberfest
Oct. 29: Safety Shoe Vendor onsite
Nov. 5-8: TESLA Technology Collaboration (TTC) Meeting
Nov. 13: Science Series: The Origin of the Elements
Nov. 15-17: CTEQ Collaboration Meeting
Nov. 20: Colloquium and Public Lecture
Nov. 22-23: Thanksgiving holiday; JLab closed
 

Environment, Safety, Health and Quality

RadCon Posts Year-to-Date Doses
The Radiation Control Department is striving to make more information available to radiation workers through improvements in its electronic records system. Now, you can view your lifetime dose summary and access past annual dose reports, giving you quick access to summary information about your entire radiation dose history. In addition, the JLab Year-to-Date Dose for radiation workers is now available online. The YTD dose includes dose for the calendar year from your personal dosimeter (whole body dosimeter) plus any dose accrued from an RWP (Radiological Work Permit) by use of a SRPD (Self Reading Pocket Dosimeter). You may view this information through the JLab Year-to-Date Dose Record for Radiation Workers or on the Insight Page under Personal Information (View YTD dose information).

Announcements

Spy Games Colloquium and Public Lecture on Oct. 17
Bruce Held, director of the Office of Intelligence & Counterintelligence at DOE will present "The Real James Bond: Sidney Reilly and the Origins of Modern Espionage" in a colloquium and public lecture in the CEBAF Center auditorium today at 4 p.m. Sidney Reilly was the true-life model for the fictional super-spy James Bond. But Bond’s espionage exploits pale in comparison to Reilly’s actual exploits. The speaker, Held, is responsible for all intelligence and counterintelligence activities throughout the DOE complex, including over 30 intelligence and counterintelligence offices nationwide.

Wear Pink for Breast Cancer Awareness Event
In recognition of Breast Cancer Awareness month, Dilon Technologies is hosting a presentation by a breast cancer survivor whose disease was diagnosed by Dilon's breast-specific gamma-imaging technology, but was missed by both mammography and ultrasound. The gathering will take place Thursday, Oct. 18, at 2:30 p.m. in ARC room 125. JLab staff and users are invited to attend. Raffle tickets will also be available for a handmade blanket in honor of breast cancer awareness, with all proceeds going to Beyond Boobs.

Last Chance to Sign Up for Cornhole at Oktoberfest!
The annual Oktoberfest, held by the Jefferson Activities Group, is set for Wednesday, Oct. 24, 3-6 p.m. This year's event will also feature a Cornhole Tournament. You must pre-register to compete. To register for the tournament and for more information, contact Mike Zarecky, x7609, by Monday, Oct. 22.

Onsite Blood Drive Set for Tuesday, Oct. 23
The next American Red Cross Blood Drive is scheduled for Tuesday, Oct. 23, 10 a.m.-4 p.m. in CEBAF Center Room F113. New and repeat donors are encouraged to attend. Appointments and walk-ins are welcome. To schedule an appointment, contact Johnie Banks, x7539.

JLab Commuter Survey Ends Oct. 23
JLab is conducting a brief online survey of staff and users that may be enable the lab to develop new programs that better serve commuters or that encourage changes in habits to conserve energy in support of the lab's sustainability goals. The survey is anonymous, has just nine questions and should take only a minute or two to complete. It will close at the end of the business day on Tuesday, Oct. 23. It is hosted online at SurveyMonkey.

Come Out and Enjoy JAG Oktoberfest!
JLab employees, their immediate family members, users and students are invited to the Jefferson Activities Group Oktoberfest scheduled for Wednesday, Oct. 24, 3-6 p.m. in the field behind the SURA Residence Facility. A variety of foods will be available, as well as games and activities, including a Cornhole Tournament (must register in advance, see brief), Bounce House, Treasure in a Haystack, Pumpkin Toss, Candy Jar Guessing Game, Children's Arts and Crafts, Field Games and JAG Dog Training Club Canine Costume Parade. Everyone attending is encouraged to wear a costume. Also, the winning raf
fle tickets will be drawn for the two iPads that are part of the lab's United Way fund-raising campaign; tickets are available for purchase noon-1 p.m. through Wednesday, Oct. 24 in the CEBAF Center lobby. Volunteer participation is critical to the event's success - volunteer for just one hour and party the other two! The best volunteer spots are taken early, so sign up today.

Food Drive Underway Through Oct. 24
In conjunction with the Oktoberfest, the JAG is sponsoring a food drive to support the Peninsula Food Bank. Bring new, canned or boxed, nonperishable food items to the food drive drop boxes located in the ARC, SSC, CEBAF Center, Building 89 and TED lobbies. Food donation drop barrels also will be placed near the entry points to the Oktoberfest.
 
Name That Cryomodule Contest Underway!

It is a tradition at JLab to name the cryomodules that make up the accelerator. In keeping with that tradition, the lab is conducting a contest to name each of the 10 new C100 cryomodules (part of the 12 GeV Upgrade). In addition to submitting a name, please provide a brief statement (1-2 sentences) explaining the significance of the name you propose. Submit all entries by e-mail. All entries must be submitted by Oct. 31.
 
Tracking Thomas at JLab
Little Thomas is visiting all corners of the JLab campus. If you can identify his location this week, email Kandice Carter with your guess. Guesses are accepted through Friday.

Congratulations this week go to Harry Fanning and Lori Zukerman, who were the first to correctly identify the location for Oct. 10. Honorable mentions go to Doug Higinbotham, Samika Hawkins and Robert Martin. Check out the Tracking Thomas webpage for a better view of his last location and this week's new mystery photo.