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Introduction to the User Program
SNS offers unprecedented performance
for neutron scattering research with
the most intense pulsed neutron beams
in the world. To realize the potential
this offers for research in many fields,
a world-class suite of instruments
is being developed that makes optimal
use of the SNS beams and that is suited
to the needs of users across a broad
range of disciplines. Instruments will
be available to researchers with varying
degrees of experience, from new graduate
students and first-time neutron users
to experienced users with an interest
in instrument design.
An initial suite of instruments will
be available through a peer-reviewed
proposal system. We expect that 75%
of the beam time on this instrument
suite will be available through the
proposal system, with the remaining
25% for use by in-house scientific
staff, for testing and calibration,
for feasibility studies by users before
submission of proposals, and for rapid
response experiments that occur outside
the regular proposal schedule. Current
instrument status is available on the SNS
Instrument Systems page.
This instrument suite will also allow the development of core technologies such
as choppers, data acquisition systems, and control software that will form the
basis for similar systems in other instruments. These systems will be standardized
where appropriate to simplify use and maintenance and to reduce costs.
Full "target-to-detector"
computer simulation is being developed to optimize and integrate target and instrument
design. In many cases, the SNS will require instrument technologies beyond the
current state of the art. Consequently, our construction budget for instruments
is supplemented by a significant R&D program, which will allow development of
new technologies that will form the basis for the initial instrument suite and
provide room for growth.
Key Contacts for Neutron Scattering at ORNL
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