Subir Sarkar (12 September 1953, Ichapur, India) is an Indian astroparticle physicist and cosmologist, known for his research demonstrating constraints on the dark sector.
For the academic year 1987–1988 he was a research associate in the HEP Theory Group of Rutherford Appleton Laboratory (RAL) in Chilton, Oxfordshire.
[2] In 1990 Sarkar became a staff member of the University of Oxford's Rudolf Peierls Centre for Theoretical Physics.
[4] He collaborated with colleagues at the Pierre Auger Observatory, the Big European Bubble Chamber (BEBC), the IceCube Neutrino Observatory, and the Cherenkov Telescope Array in investigations of very high energy cosmic rays and neutrinos.
[1] From the 11th to the 13th of September 2023, Sarkar's collaborators and former students held a celebration in honour of his career achievements and his 70th birthday.