Neutron Source takes another step.(at Department of Energy )(Brief article)

R & D, March, 2006

Dept. of Energy (DOE) officials recently marked the latest addition to the Spallation Neutron Source (SNS) with the commissioning of a new proton accumulator ring. According to officials, the accumulator ring is the final step in a proton's journey through the accelerator before it strikes the SNS's mercury target, "spalling" away neutrons to be used for research.

"The ring is the last major accelerator element delivered by one of the partner labs in the six-laboratory project," says SNS Director Thorn Mason. For its part, Brookhaven Lab, Upton, N.Y., led the design and construction of the accumulator ring.

When completed later on this year, the $1.4 billion facility will produce the world's most intense neutron beams to probe the molecular...

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