Tilt adjustment for a portable absolute atomic gravimeter

Xie Hong-Tai^{1, 2, 3}, Chen Bin^{1, 2, 3}, Long Jin-Bao^{1, 2, 3}, Xue Chun⁴, Chen Luo-Kan^{1, 2, 3}, Chen Shuai^{1, 2, 3, †}

The measured g-value varying the tilt angles in the third round adjustment. The black squares with error bars correspond to the experimental data, and the red curves are the parabolic fits. The extreme points are α_x0 = –8553.4 μrad, α_y0 = –1193.3 μrad, β_x0 = 4459.0 μrad, and β_y0 = –1706.0 μrad.