Photonuclear Experiments: From Bremsstrahlung to Backward Compton Scattering Photons

被引:0
|
作者
Varlamov, V. V. [1 ]
Davydov, A. I. [1 ]
机构
[1] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia
关键词
photonuclear reaction cross sections; disagreements in absolute reliability value and shape; bremsstrahlung; quasimonoenergetic annihilation photons; systematic uncertainties; statistical accuracy; energy resolution; backward Compton scattering photons; PHOTONEUTRON CROSS-SECTIONS; RESOLUTION; RESONANCE;
D O I
10.3103/S002713492470022X
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The features of methods for obtaining information on photonuclear reaction cross sections using beams of bremsstrahlung and quasimonoenergetic photons formed during the in-flight annihilation of relativistic positrons are discussed. These methods have provided the vast majority of data in the nuclear excitation energy up to similar to 40 MeV. It is shown that significant disagreements between the results of such experiments, both in absolute value and shape, are due to certain shortcomings of both methods. These shortcomings can be to a certain extent eliminated by using beams of photons formed in the processes of backward Compton scattering.
引用
收藏
页码:178 / 185
页数:8
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