Tokai-mura JRR

Organisation: JAERI

Installation: JRR-3M

Type: pool reactor, 20 MW LEU, D2O-reflector, th=2·1014 n/cms,

Address: Jaeri, Tokai-mura, Naka-gun
Ibaraki-ken 319-1195, Japan

Home page: http://neutrons.tokai.jaeri.go.jp/eng/

Contact: Dr. Yukio Morii

Phone / fax: 81-292 82 6093 fax 81-292 82 5922

e-mail: morii@neutrons.tokai.jaeri.go.jp

 

 

CNS: one, operating since 1990

moderator: H2 phase: liquid

volume: 1 L temperature: 20 K

pressure: 120 kPa heat removal: gravity (thermal siphon)

power: 350 W

refrigerator TAISAN, Brayton, one screw, 320 kW(el.)

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recent publications: M.Utsuro in Proc. Workshop on Cold Sources at LANSCE,
Los Alamos, 1990, p.105

"Cold neutron production in solid and liquid CH4 moderators" by N. Morishima and T. Mitsuyasu
in Nucl.Inst&Meth. in Physics
A, Volume 517,1-3, 2004, 295-300.

"Cold neutron production in solid and liquid CH4 moderators. II: on the reentrant-hole configuration" by T. Mitsuyasu, N. Morishima, & al.
in Nucl.Inst&Meth. in Physics A,
Volume_537,3, 2005, 610-613.

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Tokai-mura JSNS

Organisation: JAERI

Installation: JSNS in J-PARC

Type: spallation source, 3 GeV, 0.333 mA, Hg target, Be reflector

Address: JAERI, Tokai-mura, Naka-gun
Ibaraki-ken 319-1195, Japan

Home page: http://jkj.tokai.jaeri.go.jp/

Contact: Dr. Yujiro Ikeda

Phone / fax: 81-292 fax 81-

e-mail: ikeda@cens.tokai.jaeri.go.jp

 

 

Cold Moderators: three, under construction, ready in 5/2008

moderator: H2 phase: supercritical

volume: ca. 1 L ea. temperature: 20 K

pressure: 2 MPa heat removal: forced circ. ?

refrigerator power needed 5 kW

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recent publications: Y. Ikeda in Proc. ICANSXVI (Neuss 2003) (about JSNS)

Y. Kiyanagi in Proc. UCN-CNS 4th Workshop (PNPI 2003)