The Ushiwaka magnet and B-field tests

page 01 Nitrogen laser near the output. Two fiber optic cables are seen. One goes to a trigger PMT (H1161), and the other goes to a piece of scintillator (1 by 1 by 3 cm) facing fine-mesh PMTs to be tested.

page 01 page 01 Fine-mesh PMT holders for B-field tests. With and without a cap, which houses the scintillator piece inside and has a fiber optic connector outside.

The Ushiwaka dipole magnet at the pi-2 beam line off the 12 GeV proton synchrotoron at KEK. page 01 page 01 page 01 page 01 Magnet as seen from the upstream. Grad student Akifumi Kazama and Postdoc Takashi Asakawa place the tubes inside the magnet.

page 01 page 01 Kazama, and Sigenobu Motohashi (undergrad, senior) monitor data online.

The magnet as seen from downstream.
page 01 page 01 This is how you write "Ushiwaka" in Japanese. Ushiwaka-maru is the childhood name of Minamoto no Yoshitsune (1159 - 1189), brother of Minamoto no Yoritomo .



Re-scanned and a few more



Last modified: Sun Apr 16 17:44:20 JST 2006