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Leading U.S. X-ray Source Goes After Bigger Upgrade

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Science  03 Jan 2014:
Vol. 343, Issue 6166, pp. 12
DOI: 10.1126/science.343.6166.12

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U.S. physicists want to completely rebuild the particle accelerator that drives the Advanced Photon Source, a more radical—and disruptive—upgrade than originally planned. If approved by the Department of Energy, the upgrade would make the x-ray synchrotron at Argonne National Laboratory nearly 100 times brighter and retain the lab's leadership in the field.