Tevatron to shut down in September

Lack of funds precludes continued operation of most powerful U.S. collider

The Fermi National Accelerator Laboratory’s Tevatron will shut down by the end of September, the U.S. Department of Energy has announced, dashing hopes that the 25-year-old atom smasher in Batavia, Ill., might win a transatlantic race to find the most sought-after elementary particle in high-energy physics.