Development of neutron resonance spin flipper for high resolution NRSE spectrometer

✍ Scribed by Masaaki Kitaguchi; Masahiro Hino; Yuji Kawabata; Hirotoshi Hayashida; Seiji Tasaki; Ryuji Maruyama; Dai Yamazaki; Toru Ebisawa; Naoya Torikai

• Publisher: Elsevier Science
• Year: 2006
• Tongue: English
• Weight: 250 KB
• Volume: 385-386
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/j.physb.2006.05.389

✦ Synopsis

Neutron spin echo (NSE) is one of the techniques with the highest energy resolution for measurement of quasi-elastic scattering. In neutron resonance spin echo (NRSE), two separated neutron resonance spin flippers (RSFs) replace a homogeneous static magnetic field for spin precession in a conventional NSE. We have made a new type of RSF with pure aluminum wires in order to reduce the scattering from the surface. Test experiments have been performed at cold neutron beam line MINE1 at JRR-3M reactor in JAERI and the beam line CN3 at KUR The spin-flip probability was higher than 0.95 at a neutron wavelength of 0.81 nm and a RSF frequency of 100 kHz.