Jasbir Singh, better known as J.B. Singh, is an Indian physicist and professor. He is a distinguished professor at University of Petroleum and Energy Studies(UPES), Dehradun. He has earned recognition in Experimental high-energy particle physics. He was part of the team at Fermi National Accelerator Laboratory (FNAL) that discovered the Top quark in 1995. He participated for discovery of CP violation in B-meson system with Belle Experiment using High Energy accelerator at KEK, Japan. He also contributed to the discovery of a new boson with a mass of 125 GeV, which is associated with the Higgs boson in 2012. He is director of Department of University Centre of Instrumentation and Microelectronics at Panjab University. Career. He was part of the team of scientists who discovered the top quark, a sub atomic particle in year 1995. Singh has made significant contributions to the field of high-energy particle physics. He is a member of the CMS Collaboration at the Large Hadron Collider (LHC) at CERN. One of his most notable achievements is his involvement in the discovery of a new boson with a mass of 125 GeV. As of September 2024, he is the second most cited researcher in India with an h-index of 244 and more than 257,000 citations. Singh obtained his Ph.D. from Panjab University in 1980. He was awarded by the Bharat Jyoti Award in 2006. He was also figured in the world top 2 percent in the Alper Doger (AD) Scientific Index 2023 and topped the list from scientists of India.