Conceptual Design of a High-flux Multi-GeV Gamma-ray Spectrometer

被引：13

作者：

Fleck, K. ^{[1
]}

Cavanagh, N. ^{[1
]}

Sarri, G. ^{[1
]}

机构：

[1] Queens Univ Belfast, Sch Math & Phys, Belfast BT7 1NN, Antrim, North Ireland

来源：

SCIENTIFIC REPORTS | 2020年 / 10卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1038/s41598-020-66832-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We present here a novel scheme for the high-resolution spectrometry of high-flux gamma-ray beams with energies per photon in the multi-GeV range. The spectrometer relies on the conversion of the gamma-ray photons into electron-positron pairs in a solid foil with high atomic number. The measured electron and positron spectra are then used to reconstruct the spectrum of the gamma-ray beam. The performance of the spectrometer has been numerically tested against the predicted photon spectra expected from non-linear Compton scattering in the proposed LUXE experiment, showing high fidelity in identifying distinctive features such as Compton edges and non-linearities.

引用

页数：7

共 50 条

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