The cross-section for magnetic Compton scattering up to 1 MeV

被引：13

作者：

McCarthy, JE

Cooper, MJ ^{[1
]}

Honkimaki, V

Tschentscher, T

Suortti, P

Gardelis, S

Hamalainen, K

Manninen, SO

Timms, DN

机构：

[1] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[2] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[3] Univ Helsinki, Dept Phys, FIN-00014 Helsinki, Finland

[4] Univ Portsmouth, Div Phys, Portsmouth PO1 2DT, Hants, England

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1997年 / 401卷 / 2-3期

基金：

英国工程与自然科学研究理事会; 芬兰科学院;

关键词：

ferromagnetism; Compton scattering; circular polarisation; scattering cross-section; synchrotron radiation;

D O I：

10.1016/S0168-9002(97)01066-8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The energy dependence of the magnetic Compton cross-section was measured with elliptically polarised synchrotron radiation at five energies from 245.2 to 1000.5 keV at the European Synchrotron Radiation Facility (ESRF) using a recently installed superconducting wavelength shifter, the sample was ferromagnetic iron. These measurements more than double the highest photon energy previously used in synchrotron radiation studies. It was found that the integrated intensity of the spin-dependent scattering was well described by the formula-for the differential cross-section, d sigma/d Omega, for free, stationary electrons. The optimisation of experiments designed to yield the spin-dependent Compton profile from the double differential cross-section, d(2) sigma/d Omega d omega do is discussed.

引用

页码：463 / 475

页数：13

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