Gravitational waveforms from periodic orbits around a novel regular black holeHuajie Gong, Sheng Long, Xi-Jing Wang, Zhongwu Xia, Jian-Pin Wu and Qiyuan PanEur. Phys. J. C, 86 5 (2026) 469DOI: https://doi.org/10.1140/epjc/s10052-026-15667-3