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On the influence of periodicity in the arrangement of crystalline atomic strings upon the spectral and spectral-angular distribution of high-energy positively charged particle radiation in crystal
Journal of Instrumentation ( IF 1.3 ) Pub Date : 2020-07-12 , DOI: 10.1088/1748-0221/15/07/c07019 I.V. Kyryllin 1, 2 , N.F. Shul'ga 1, 2
Journal of Instrumentation ( IF 1.3 ) Pub Date : 2020-07-12 , DOI: 10.1088/1748-0221/15/07/c07019 I.V. Kyryllin 1, 2 , N.F. Shul'ga 1, 2
Affiliation
Spectral and spectral-angular distribution of the radiated energy in case of positron motion in an oriented crystal and in case of positron motion in the field of randomly located atomic strings (random strings approximation) when the angle between particle momentum and crystal axes is less than the critical angle of axial channeling were calculated. Obtained results showed that the peak in the emission spectrum is related to the quasi-regular motion of the above-barrier positrons in planar channels.
中文翻译:
关于晶体原子串排列的周期性对晶体中高能带正电粒子辐射的光谱和光谱角分布的影响
当粒子动量与晶轴之间的夹角小于时,在定向晶体中正电子运动的情况下,以及在随机定位的原子串(随机字符串近似)中的正电子运动的情况下,辐射能量的光谱和光谱角度分布计算了轴向窜动的临界角。获得的结果表明,发射光谱中的峰值与平面通道中上述势垒正电子的准规则运动有关。
更新日期:2020-07-13
中文翻译:
关于晶体原子串排列的周期性对晶体中高能带正电粒子辐射的光谱和光谱角分布的影响
当粒子动量与晶轴之间的夹角小于时,在定向晶体中正电子运动的情况下,以及在随机定位的原子串(随机字符串近似)中的正电子运动的情况下,辐射能量的光谱和光谱角度分布计算了轴向窜动的临界角。获得的结果表明,发射光谱中的峰值与平面通道中上述势垒正电子的准规则运动有关。