A New Inelastic Neutron Spectrometer HODACA

被引：2

作者：

Kikuchi, Hodaka ^{[1
]}

Asai, Shinichiro ^{[1
]}

Sato, Taku J. ^{[2
]}

Nakajima, Taro ^{[1
]}

Harriger, Leland ^{[3
]}

Zaliznyak, Igor ^{[4
]}

Masuda, Takatsugu ^{[1
,5
,6
]}

机构：

[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

[2] Tohoku Univ, IMRAM, Sendai 9808577, Japan

[3] NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA

[4] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA

[5] High Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan

[6] Univ Tokyo, Transscale Quantum Sci Inst, Bunkyo, Tokyo 1130033, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2024年 / 93卷 / 09期

基金：

日本学术振兴会;

关键词：

SPIN; EXCITATIONS; SCATTERING;

D O I：

10.7566/JPSJ.93.091004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new multiplex -type inelastic neutron scattering spectrometer, HOrizontally Defocusing Analyzer Concurrent data Acquisition spectrometer (HODACA), was recently developed and built at the C1-1 cold neutron beam port in the neutron source reactor JRR-3 at Japan Atomic Energy Agency. The spectrometer is suitable for dynamics measurements in the energy range of -1 meV <= & hstrok;omega <= 7 meV, catering to a broad array of research fields in physics and material science. HODACA combines 24 detectors and 132 pieces of analyzer crystals and has an estimated measurement efficiency that is 70 times greater than the existing conventional triple -axis spectrometer at the C1-1 beam port. The concept, design, specification, and results of commissioning experiments are described.

引用

页数：11

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