Coordinates : 37 ° 05 ′ 41 ″ N 76 ° 28 ′ 54 ″ W \ / 37.09472 ° N 76.48167 ° W \ / 37.09472 ; -76.48167 Thomas Jefferson National Accelerator Facility ( TJNAF ) , commonly called Jefferson Lab or JLab , is a U.S. national laboratory located in Newport News , Virginia .
Coordinates : 37 ° 05 ′ 41 ″ N 76 ° 28 ′ 54 ″ W \ / 37.09472 ° N 76.48167 ° W \ / 37.09472 ; -76.48167 Thomas Jefferson National Accelerator Facility ( TJNAF ) , commonly called Jefferson Lab or JLab , is a U.S. national laboratory in Newport News , Virginia .