ATLAS Experiment (IMAGE) Indiana University Caption At 45 meters long and 7,000 tons, with a $540 million price tag, the ATLAS detector at CERN is helped determine whether the Higgs boson exists. Credit CERN Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.