基于 J-PET 断层扫描仪通过康普顿散射对湮灭光子偏振的模拟研究
仪器与探测器
2019-09-04 v1
摘要
J-PET 是首台由塑料闪烁体构成的正电子发射断层扫描仪（PET）。它针对探测电子-正电子湮灭产生的光子进行了优化。此类能量为 511 keV 的光子，在塑料闪烁体中主要通过康普顿效应与电子相互作用。康普顿散射在最垂直于相互作用光子电场矢量的角度处概率最大。因此，利用 J-PET 记录多次光子散射可确定湮灭光子的偏振。本文中，我们给出关于以 J-PET 探测器确定 ~keV 光子偏振精度的物理限制的估计。
引用
@article{arxiv.1901.06204,
title = {Simulation studies of annihilation-photon's polarisation via Compton scattering with the J-PET tomograph},
author = {N. Krawczyk and B. C. Hiesmayr and C. Curceanu and E. Czerwiński and K. Dulski and A. Gajos and M. Gorgol and N. Gupta-Sharma and B. Jasińska and K. Kacprzak and Ł. Kapłon and D. Kisielewska and K. Klimaszewski and G. Korcyl and P. Kowalski and T. Kozik and N. Krawczyk and W. Krzemień and E. Kubicz and M. Mohammed and Sz. Niedźwiecki and M. Pałka and M. Pawlik-Niedźwiecka and L. Raczyński and J. Raj and K. Rakoczy and Z. Rudy and S. Sharma and Shivani and R. Y. Shopa and M. Silarski and M. Skurzok and W. Wiślicki and B. Zgardzińska and P. Moskal},
journal= {arXiv preprint arXiv:1901.06204},
year = {2019}
}
备注
Submitted to Hyperfine Interactions