The ultrahigh flux polarized cold neutron spectrometer PANDA of the FRM-II reactor

被引：5
|
作者：
Loewenhaupt, M [1 ]
Pyka, NM
机构：
[1] Tech Univ Dresden, Inst Angew Phys, D-01062 Dresden, Germany
[2] Tech Univ Munich, Forschungsheutronenquelle FRM 2, D-85747 Garching, Germany
来源：
JOURNAL OF APPLIED PHYSICS | 1999年 / 85卷 / 08期
关键词：
D O I：
10.1063/1.369105
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
At present the high flux research reactor FRM-II is under construction in Garching, Germany. As part of the first set of instruments, a triple axis spectrometer is under construction at the cold source in the reactor hall. This instrument will be mainly used to study inelastic magnetic phenomena in condensed matter physics. Besides an unpolarized beam setup, PANDA is equipped with devices allowing full polarization analysis. This instrument largely profits from its vicinity to the reactor, and uses state of the art neutron optics. Thanks to the large focusing Heusler monochromator and analyzer the neutron flux of the polarization setup will be of the same magnitude as that of an unpolarized beam at a high flux reactor. The accessible energy and Q ranges will be extremely large due to an advantageous flux distribution of the cold source and a particular construction of the beam tube and the biological shielding which contain supermirror neutron guides. A resonant spin echo device, used to perform line shape analysis of dispersive excitations, will complete the extensive array of equipment, available on PANDA. (C) 1999 American Institute of Physics. [S0021-8979(99)21708-2].
引用
收藏
页码：5145 / 5147
页数：3
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