Jefferson Lab Weekly Briefs
June 7, 2017
Jefferson Lab Published Journal Articles, May 28-June 3
Remember to submit your papers for approval to the Jefferson Lab Publications database.
Publications Refresher Course Set for June 21
History Archives Photo of the Week
Center for Theoretical and Computational Physics
The production of a particle with large invariant mass M and small transverse momentum qT in hadron-hadron collisions is described by transverse momentum dependent (TMD) factorization. The TMD formula is an asymptotic statement, correct in the limit of very small qT2 / M2. In practical cases, the corrections ~ qT2 / M2 may be sizable. A new paper computes for the first time the leading power corrections to particle production in gluon-gluon fusion.
Tim Michalski met with several of the ODU School of Engineering staff to discuss opportunities to engage students and faculty on the Jefferson Lab Electron-Ion Collider initiative and other engineering-related projects. Next steps are:
Chris Curtis will present a paper at the 33rd Annual Coordinate Metrology Society Conference (CMSC) in Snowbird, Utah, on aligning LCLS-II cryomodules. Ron Lassiter presented the NX Beamline Auto-Populate Journaling methodology at the Product Lifecycle Management (PLM) conference held in May. The MSINST group resolved the leak issue with the instrumentation/fittings in the Accelerator-Hall C Dump. The EES RF and I&C groups are supporting general scheduled accelerator down preventive maintenance tasks. The DC Power group is upgrading the low-conductivity water modifications to box supplies and supporting Facilities Management and Logistics staff in south access main 1 and 2 ground fault testing. The EES Support group continues supporting the LCLS-II cavity and cryomodule testing in the Vertical Test Area and the Cryomodule Test Facility. The Safety System group completed certification of the Gun Test Stand. Preventative maintenance was completed to the injector and the Oxygen Deficiency Hazard system, and the group conducted general beam loss monitor maintenance.
Jefferson Lab Calendar of Events
June 13-16: CLAS Collaboration Meeting
Environment, Safety, Health and Quality
Temporary RadCon & IH Service Disruptions Begin June 12 Due to ESH&Q Move
Radiation Control (RadCon)
Industrial Hygiene (IH)
Please bear with ESH&Q Division staff members as they get their work centers moved into the new building. If you are aware of advance needs – especially for support needed from June 12 through early July, contact your ESH&Q point of contact as far in advance as possible.
You can see the full memo here.
Computing and Networking Infrastructure
Jefferson Lab Campus-Wide Phone Outage Scheduled for Saturday, July 8
To Get Help and Report Emergencies During the Outage:
Inquiries during the outage can be made to Jefferson Lab Security’s cell phone at 757-342-9868. For more information regarding this outage, contact the IT Division Helpdesk at email@example.com or x7155.
JSA Awards Graduate Fellowships for Research at Jefferson Lab
|JLab Weekly Briefs is an ongoing publication providing information on the status of safety, accelerator operations, experiments, free-electron laser, reviews, upcoming activities and special events. Deadline for submission is every Tuesday by 10 a.m. Submit new items to: the Communications Office or contact Kandice Carter at x7263.|