Monte-Carlo simulation codes development and their applications to neutron optical devices and neutron scattering instruments

被引：8
|
作者：
Furusaka, M
Niita, K
Suzuki, S
Fujita, K
Suzuki, J
Oku, T
Shimizu, HM
Otomo, T
Misawa, M
机构：
[1] High Energy Accelerator Res Org, Neutron Sci Lab, Tsukuba, Ibaraki, Japan
[2] Res Org Informat Sci & Technol, Tokai, Ibaraki, Japan
[3] Japan Atom Energy Res Inst, Tokai, Ibaraki 3191195, Japan
[4] RIKEN, Wako, Saitama 3510198, Japan
[5] Niigata Univ, Fac Sci, Niigata, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 529卷 / 1-3期
关键词：
numerical simulation; neutronic code; neutron focusing device; sextupole magnet; neutron scattering; small-angle scattering;
D O I：
10.1016/j.nima.2004.04.211
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We incorporated magnetic and gravitational interactions into the neutronic code "PHITS" developed at JAERI, which is the unified code of the high-energy particle-transport code NMTC/JAERI and MCNP-type low energy code. Using the code, inelastic and multiple-scattering effects in water sample for SANS experiment was demonstrated. Numerical simulation of focusing SANS instrument that has a sextupole magnet has been conducted, and the spin-flip processes in the non-adiabatic region along the central region of the magnet were clearly observed. Gravitational effects were also evaluated. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：223 / 230
页数：8
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