Villigen SINQ

Organisation:            Paul Scherrer Institut (PSI)

Installation:                 SINQ

Type:                          spallation source (steady state),
th=0.8·1014 n/cms, 590 MeV,1.2 mA

Address:                    Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland

Home page:              http://www.psi.ch

Contact:                     Harald Spitzer

Phone / fax:               +41 56 310-2582      fax:     -3131

e-mail:                        harald.spitzer@psi.ch

Secretary:                  Renate Bercher (bercher@psi.ch), phone -3402

 

CNS:                          one, operating since 1996

moderator:                 LD2                            phase:                        boiling

volume:                      20 L                           temperature              25 K

pressure:                   150 kPa                    heat removal:            thermal siphon

material: chamber:   AlMg3                                    vacuum thimble:        AlMg3

power:                        800 W @ 1.2 mA + 165 W heat loss without proton beam

refrigerator:               Linde , 2 turbines , Sulzer reciprocating compressor
available refrigeration power    3500W

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Remarks:                   CNS refurbished by 2003 with re-entrant hole
proton beam has to stop in case of CNS failure

recent publications: ICANS-XV (Tsukuba): status: 2.6 (G.S. Bauer)
ICANS-XVI (Neuss 2003) Poster H. Spitzer

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Villigen SUNS

Organisation:            Paul Scherrer Institut (PSI)

Installation:                 SUNS (at the old Piotron site)                  

Type:                          spallation source (pulsed) for UCN production,
th=0.8·1014 n/cms, 590 MeV,1.2 mA

Address:                    Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland

Home page:              http://ucn.web.psi.ch/

Contact:                     Manfred Daum

Phone / fax:               +41 56 310-3668     fax:     -

e-mail:                        manfred.daum@psi.ch

Secretary:                  Anita van Loon (anita.vanloon@psi.ch), phone:   -3254

co-workers:               Reinhold Henneck    -5157,            Klaus Kirch     -3278

 

UCNS:                       one, under construction

moderator:                 D2                               phase:                        solid

volume:                      2 L                              temperature              5 K

pressure:                   0 kPa                         heat removal:            forced convection, He gas

material: chamber:            AlMg3                                    vacuum thimble:            AlMg3

power:                        800 W @ 1.2 mA + 165 W heat loss without proton beam

refrigerator:               Linde / Sulzer,  available refrigeration power    3500W

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Remarks:                   project in collaboration with PNPI Gatchina

recent publications: Proc. UCN-CNS Workshop 4 (PNPI 2003) (M. Daum)

see also International Workshop on "Present Status and Future of Very Cold Neutron Applications" at Paul Scherrer Institute - Switzerland in February 2006.