NUMERICAL GENERALIZED VIBRATION DENSITY OF STATES EVALUATION FOR THE INELASTIC NEUTRON SCATTERING IN SOLID MATTER

V. KAZIMIANEC; I. PADUREANU; D. ARANGHEL

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NUMERICAL GENERALIZED VIBRATION DENSITY OF STATES EVALUATION FOR THE INELASTIC NEUTRON SCATTERING IN SOLID MATTER

机译：固体非弹性中子散射状态估计的数值振动密度数值

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Computer method for improved evaluation of the generalized vibration density of states (OVDS) is proposed. It is based on Fast Fourier Transform (FFT) technique and gives the possibility for more precise analyses of the neutron double differential scattering cross section. The method was applied to zirconium hydride investigation. The results were presented for ZRH_(1.6)U_(0.32) sample at various temperatures on time-of-flight (TOF) spectrometry at IBR-2 reactor of JINR-Dubna and were compared to GVDS obtained by traditional mono-phonon approximation method.

机译：提出了一种用于评估广义振动态密度（OVDS）的计算机方法。它基于快速傅里叶变换（FFT）技术，并为更精确地分析中子双微分散射截面提供了可能性。该方法用于氢化锆研究。在JINR-Dubna的IBR-2反应器上，用飞行时间（TOF）光谱仪在不同温度下对ZRH_（1.6）U_（0.32）样品给出了结果，并将其与通过传统单声子近似方法获得的GVDS进行了比较。

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来源
《Romanian journal of physics》 |2002年第6期|p.637-643|共7页
作者
V. KAZIMIANEC; I. PADUREANU; D. ARANGHEL;
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作者单位

Lithuania, European Commission Center of Excellence IDRANAP;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
neutron scattering; solid matter;

机译：中子散射;固体;

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NUMERICAL GENERALIZED VIBRATION DENSITY OF STATES EVALUATION FOR THE INELASTIC NEUTRON SCATTERING IN SOLID MATTER

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