用康普顿旋光仪测定能量> 10的γ量子的Circular Polarization MeV
Determination of Circular Polarization of gamma-quanta with Energy > 10 MeV using Compton Polarimeter
摘要：
在能量为1.26GeV的电子束与圆偏振激光光子的康普顿背散射过程中，产生了能量大于10MeV的圆偏振γ量子。非线性过程对激光闪光计划参数的贡献[T. Okugi，Y. Kurihara和M.日本千叶县J. Appl.Phys.35，p.3677（1996）.]可能相当显著，这导致所得到的伽马射束的偏振恶化。直接测量γ束圆极化的方法不仅可以估计理论计算的正确性，而且可以利用所获得的信息来模拟正电子的极化参数。
英文摘要：
The circularly polarized gamma-quanta with energy > 10 MeV are formed during Compton backscattering of circularly polarized laser photons on an electron beam with energy 1.26 GeV. The contribution of nonlinear processes for planned parameters of a laser flash[T. Okugi, Y. Kurihara and M. Chiba, Jpn. J. Appl. Phys. 35, p. 3677 (1996).] can be rather significant, that leads to deterioration of polarization of a resulting gamma-beam. The direct method of measurement of gamma-beam circular polarization will allow not only to estimate a correctness of the theoretical calculations, but also to use the obtained information for simulation of polarization parameters of positrons.
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