Chilton ISIS

Organisation:            Council for the Central Laboratory of the Research Councils

Installation:                 ISIS Facility

Type:                          spallation source (800 MeV, 0.2 mA, 50 Hz)

Address:                    Rutherford Appleton Laboratory

Chilton, Didcot, Oxon OX11 0QX, UK

Home page:    

Contact:                     Tim Broome

Phone / fax:               +44 1235 44 6255, fax: +44 1235 44 5607




CNS:                          two (hydrogen and methane), since 1985

Moderator:                 H2 / CH4                     volume:          0.5/0.8 litre

temperature:              22 / 100 K                phase:            liquid

pressure:                   1 / 0.4 MPa               power:            300 W each

refrigerator                Sulzer / Philips          cycle:              Brayton / Stirling

heat removal:            forced convection (circulator)

performance:             the hydrogen source works with a 25 Hz beam.


remarks:                    Second Target Station design and construction is in progress, incorporating two cold moderators.

recent publications: ECNS'99 in Budapest: EPL3 (A.D. Taylor),

Proc. AcoM-V Workshop at HMI (March 2001) published in J. of Neutron Research

ICNS 2001 (Munich): proceedings in Appl. Phys. A (Suppl.1), 2002 (T.A. Broome)

ICANSXVIII: "Re-design of the ISIS first target station for improved neutronics" by S. Ansell - Id111, 2007

ICANSXVIII: "Second coupled moderator for the ISIS second target station" by S. Ansell - Id110, 2007

New design with composite moderator substance (H2/CH4).