Answer:

cern

Answer	Crossword Clue
CERN	Eur. particle accelerator location
CERN	Large Hadron Collider acronym
CERN	Huge particle physics lab in Europe

CERN	The world's largest particle physics lab
CERN	Decide, in Roman law
CERN	Enter upon an inheritance: Roman law
CERN	Research org. in Geneva
CERN	Decide: Rom. law
CERN	Geneva research ctr.
CERN	World's largest particle physics lab
CERN	World's largest particle physics lab, in Switzerland

CERN	Lab housing the world's largest machine
CERN	Noted European lab
CERN	Org. that operates the Large Hadron Collider
CERN	Large Hadron Collider org.