the european agency for nuclear information ( cern ) said on tomorrow that modifying the large muon collider ( lhc ) will require up to €16 . 6 million or $ 21 billions . the lhc , which is the eu ' s largest and highest - energy particle experiment , is located near the intersection of france and swiss and traversed the equator six frequently . it has a perimeter of 27 miles ( 17 furlongs ) . it is designed to experience the conditions well after the big bang , but it broke down on november 19 due to an electrical breakdown .
synchrotron front office is in paris .