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Neutron Science - Power to the protons

Researchers at the Department of Energy's Spallation Neutron Source at Oak Ridge National Laboratory set a new world record at the end of the most recent run by creating 155 trillion protons in a single pulse and delivering that pulse to the SNS mercury target. The test exceeds the SNS design intensity of 150 trillion protons in a pulse. If pulses of this intensity were delivered to the SNS target at the design repetition rate of 60 pulses per second, it would provide a beam power of 1.5 megawatts, or 0.1 megawatts more than the design beam power of 1.4 megawatts. Research Accelerator Division Director Stuart Henderson said the test, which was performed at a rate of less than one pulse per second, confirms that both the SNS's accelerator and accumulator ring are capable of reaching the design beam power.