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JLab Weekly - <span class="Object" id="OBJ_PREFIX_DWT22841_com_zimbra_date"><span class="Object" id="OBJ_PREFIX_DWT22909_com_zimbra_date">May 23</span></span>, 2018 			
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IN THIS ISSUE 


• PAC Proposals Due 

• Flooding Prep 

• HVAC Reminder 

• Pressure Systems 

• Open House T-shirts 

• 2018 Lab Shirts 

• Lunch & Learn 

• Where in the World… 

• In Case You Missed It 
	
May 23 , 2018 


Under Secretary of Energy Visits Jefferson Lab 

In a visit to Jefferson Lab on Thursday, May 17 , U.S. Department of Energy Under Secretary of Energy Mark Menezes met with laboratory representatives and researchers and got an exclusive preview to Saturday ’s biennial open house event. Read more here . 

				
		
		



ACCELERATOR SCIENCE / EXPERIMENTAL NUCLEAR PHYSICS 
Program Advisory Committee Proposals Are Due June 4 
The deadline for submission of proposals and updates for PAC46 is 8 a.m. EDT on Monday, June 4 , 2018. The PAC will judge the technical and scientific aspects of submitted proposals and provide recommendations to laboratory management. New proposals will be recommended for approval only if they represent high-quality physics within the range of scientific importance represented by the previously approved 12 GeV proposals. PAC46 will be held during the week of July 16 . For more information, see the PAC website . 


THEORETICAL AND COMPUTATIONAL PHYSICS 
Recently, it has been proposed that parton distribution functions may be accessed directly from the fundamental theory of the strong interaction, Quantum Chromodynamics, by evaluating matrix elements of spatially displaced operators using lattice QCD. A new study takes the first steps to understand the size of the artifacts associated with the fact that they are necessarily performed in a finite spacetime. These matrix elements are found to suffer from larger than expected finite-volume artifacts due to their non-locality. 

ESH&Q 
Flood Messaging for Communities Dealing With Heavy Rain 
With widespread flood warnings impacting large portions of the Commonwealth, the Virginia Department of Emergency Management (VDEM) is offering flood information to help citizens prepare for the threat of flood in their hometowns. The first step in preparing for potential flooding is to recognize the weather terminology and be prepared to respond appropriately to each condition. These include: 

    * Flood Watch or Flash Flood Watch: There is an increasing possibility of flooding or a flash flood in your area. 
    * Flood Warning: Flooding is occurring or will likely occur very soon. If emergency officials advise you to evacuate, do so immediately. 
    * Flash Flood Warning: Flash flooding is occurring. Seek higher ground immediately – don’t wait for official instructions. 
For more information, see the VDEM website . 


FACILITIES MANAGEMENT & LOGISTICS 
Reminder: HVAC Outage in CEBAF Center Wings A & C over Memorial Day Weekend 
The rooftop HVAC units that service CEBAF Center Wings A and C will be replaced during the Memorial Day weekend. The units will be turned off May 24 at 3:30 p.m. and will remain off until Tuesday, May 29 at 7 a.m. There will also be no power in CEBAF Center Wings A, B or C on Saturday , starting at 6 a.m. For more information, see the full memo . 
ENGINEERING 
SAF130A Pressure System Awareness Training Offered 
A Pressure System Awareness Training Class has been scheduled for Tuesday, June 19 , at 1:30 p.m. in CEBAF Center, room F224-225. The course will cover basic considerations and provide insight into the required process for the design, fabrication, testing, inspection, maintenance, repair and operation of pressure systems. It will be led by Engineering Division Manager, Will Oren. This course may be required training for some staff, but is open to all staff with an interest in this information. Individuals who might benefit from the training include operators and supervisors of technicians working on pressure systems. To attend, register for this class in Jefferson Lab's Learning Management System . 


GENERAL ANNOUNCEMENTS 
Open House Volunteer T-Shirts Free to Good Home 
There are very few remaining T-shirts left over from the open house. If you’d like one for yourself, a family member or a friend, see a staff member in Event Services. These shirts will given away on a first-come, first-served basis, and there are currently a range of sizes available. For more information, contact eventservices at jlab.org . 

2018 Jefferson Lab T-shirts Still Available 
A limited number of official lab T-shirts, which were unveiled at the Run-A-Round, are still available for sale at the CEBAF Center Front Desk for $7. Remaining sizes are limited to XL and up. 

"Inclusion Insights" Lunch & Learn Sessions Offered 
Inclusion Insights is a powerful video presentation featuring Steve Robbins, the innovative speaker/socio-scientist storyteller who coined the phrase “Unintentional Intolerance.” Robbins has a resonating style and unique framework for addressing diversity and inclusion. Did we mention he's also very funny? Members of the Diversity & Inclusion Council will facilitate three small group lunchtime sessions that will feature short video presentations by Robbins and group discussion. Advance signup is encouraged but not required. Sign up in the Learning Management System for one of the upcoming Inclusion Insights Lunch & Learn sessions, which will be offered May 30 , June 6 and June 20 . Sessions will be held in CEBAF Center room F226, 11:30 a.m.-1p.m. Bring your own lunch and come ready to learn. 

Where in the World... Are You From? 
Help build our world map! The Jefferson Lab community is comprised of people from a plethora of places. In celebration of World Culture Day, the Diversity & Inclusion Council is building a visual map that depicts our collective hometowns. All members of the Jefferson Lab community are invited to stop by the CEBAF Center Lobby May 21 - June 1 to place a pin on the world map. There will also be notecards present for you to share a fun fact about your culture, region or hometown for display with the map. No time to stop by? Email your fact to Tara Tyndall . If you have any questions about Jefferson Lab's World Culture Day activity, contact dcouncil at jlab.org . 

CONTACT 
The JLab Weekly provides information on the status of safety, accelerator operations, experiments, 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. 

		
PUBLISHED JOURNAL ARTICLES 
May 6 -19, 2018 

Jefferson Lab Qweak Collaboration. "Precision measurement of the weak charge of the proton." Nature 557 , 207 . 

Alarcón, J. M., and C. Weiss. "Nucleon form factors in dispersively improved chiral effective field theory. II. Electromagnetic form factors." Physical Review C 97 , 055203 . 

Mathieu, V., J. Nys, C. Fernández-Ramírez, A. Jackura, A. Pilloni, N. Sherrill, A. P. Szczepaniak, and G. Fox. "Vector meson photoproduction with a linearly polarized beam." Physical Review D 97 , 094003 . 

Shanahan, Phiala E., Daniel Trewartha, and William Detmold. "Machine learning action parameters in lattice quantum chromodynamics." Physical Review D 97 , 094506 . 

Burkert, V. D., L. Elouadrhiri, and F. X. Girod. "The pressure distribution inside the proton." Nature 557 , 396 . 

Park, K., M. Guidal, R. W. Gothe, B. Pire, K. Semenov-Tian-Shansky, and J-M. Laget. "Hard exclusive pion electroproduction at backward angles with CLAS." Physics Letters B 780 , 340 . 

Remember to submit your papers for approval to the Jefferson Lab Publications database . 	

UPCOMING EVENTS 
May 20 -24: QCD Evolution Workshop 
May 24 -25: Pion and Kaon Structure at an EIC 
May 28 : Memorial Day Holiday 
May 29 - June 15 : HUGS 
June 7 -8: SoLID Collaboration Meeting 
June 9 -15: 21st IEEE Real Time Conference 
June 18 -20: JLab Users Group Meeting 
June 19 : Pressure Systems Safety Awareness 
June 21 -22: Hall A/C Collaboration Meeting 
June 21 -22: GlueX Collaboration Meeting 
June 24 -29: HYP2018 
June 25 -26: Hall A/C Software Workshop 

IN CASE YOU MISSED IT 
• Inclusion Lunch & Learn Registration 

• Summer TIAA-CREF Dates Announced 

• Pressure in the Proton Results 


HISTORY ARCHIVE PHOTO OF THE WEEK 



This week's photo of the week features the 2002 HUGS poster in honor of the 33rd Annual Hampton University Graduate Studies Program, which begins next week. 
	
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