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[cdn-nucl-l] SNS Delivers Its First Neutrons ! -- April 28, 2006 2:08 p.m.
SNS Delivers Its First Neutrons! April 28, 2006 2:08 p.m.
Neutron Analysis Instrument Fired Up
By DUNCAN MANSFIELD, Associated Press Writer
Fri Apr 28, 4:55 PM ET
OAK RIDGE, Tenn. - For the first time Friday, scientists fired up a $1.4
billion research instrument that uses a stream of subatomic particles to
analyze metals and other industrial materials.
The Spallation Neutron Source facility at the Oak Ridge National Laboratory
took seven years to build. It produced a millisecond pulse of neutrons on
When fully operational, the Energy Department installation will produce a
pulsing neutron stream 10 times more intense than that of any other research
facility in the world. That stream will let scientists look deeper into the
structure and dynamics of different materials.
"The type of science that SNS is aimed at, although it is fundamental
research, it is not too far away from real products and real technologies,"
project director Thom Mason said.
Jet planes, credit cards, drugs, compact discs, shatterproof windshields,
mapping of oil deposits, environmentally friendly dry-cleaning, batteries
and fuel cells all have been created or improved through neutron-scattering
examinations pioneered by Nobel Laureate Clifford Shull at Oak Ridge in the
1940s and '50s.
Oak Ridge Director Jeff Wadsworth said he is confident major discoveries
will come from the laboratory, but it will take years.
Possible areas of research for the facility include lighter alloys and
stronger welds for aircraft and space probes, high-temperature composites
and plastics for automobiles, and magnetic materials to increase computer
The machine is so powerful that in one year it will use about the same
amount of electricity as a town of 30,000.
It is the first neutron source built in the United States in more than 30
years, and is expected to be used by as many as 2,000 scientists from around
the globe annually.
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