Flavor asymmetry of light sea quarks in proton: a light-front spectator model Poonam Choudhary, Dipankar Chakrabarti and Chandan Mondal Eur. Phys. J. C, 84 6 (2024) 626 Published online: 21 June 2024 DOI: 10.1140/epjc/s10052-024-12985-2