XL-Calibur - second generation balloon-borne hard X-ray polarimetry

XL-Calibur - a second-generation balloon-borne hard X-ray polarimetry mission

Q. Abarr, et al., Astroparticle Physics 126 (2021) 102529

https://arxiv.org/abs/2010.10608

https://www.sciencedirect.com/science/article/pii/S0927650520301018?via%3Dihub