A long-wavelength target station for the SNS

A long-wavelength target station (LWTS) [J. M. Carpenter, T. E. Mason, Nucl. Instr. and Meth. A 545 (2001) 1; Technical concepts for a long-wavelength target station for the spallation neutron source, Argonne National Laboratory report ORNL/SNS-TM-2001/163, November, 2002; 〈http://www.pns.anl.gov/related/〉] will complement the high-power target station (HPTS) facility of the spallation neutron source. The LWTS will at least double the overall scientific capability of the SNS and provide up to an order of magnitude performance gain over the initial HPTS. The fully equipped SNS has the prospect to offer capabilities for neutron-scattering studies that are unparalleled in the world. We describe the principal features of the LWTS concept and illustrate some neutron-scattering instruments suited to exploit the unique features of the LWTS.