Photoelectron imaging of resonance-enhanced multiphoton ionization and above-threshold ionization of ammonia molecules in a strong 800-nm laser pulse

Song Le-Le^{1, 2, 3}, Sun Ya-Nan^{1, 3}, Wang Yan-Hui⁴, Wang Xiao-Chun^{1, 3}, He Lan-Hai^{1, 3}, Luo Si-Zuo^{1, 3}, Hu Wen-Hui^{1, 3}, Tong Qiu-Nan^{1, 3}, Ding Da-Jun^{1, 3}, Liu Fu-Chun^{1, 3, †}

Angular distributions of peak 1 B^∼ state (6 + 2), peak 2 C^∼ state (7 + 2), peak 3 C^∼ state (6 + 2) in Fig. 4 according to Fig. 2. Red line is from peak 1, green line is from peak 3, and black line is from peak 2. The r-coordinate represents intensity/arb. unit.