Report summary

For University of California, Los Angeles Department of Physics and Astronomy in 2021-2023, the graph shows 43 visible PIs and 10 internal PI collaborations. The dominant subject mix is Physics and Astronomy as the leading field (56% of slots across 36 PIs; 36 labels), Astronomy and Astrophysics as the leading subfield (22% of slots across 19 PIs; 19 labels), and Cosmology and Gravitation Theories as the leading topic (5% of slots across 6 PIs; 6 labels). That looks relatively sparse, so claims about department-wide cohesion should be made carefully. The top weighted PIs are Zhong-Bo Kang (7.3 weighted works; Particle physics theoretical and experimental studies, High-Energy Particle Collisions Research). The most visible ties are John Terry and Zhong-Bo Kang (4 shared works, weight 1.8). The standout breakdown groups are group 1 with 4 PIs, 4 internal connections, weight 2.3, around Astronomy and Astrophysics, Nuclear and High Energy Physics, Instrumentation, led by Yoon Chan Taak, Volodymyr Takhistov, Alexander Kusenko.