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Dr. Bhatti is interested in the properties of particles and their interactions at the most fundamental level, and he is searching for particles of dark matter, predicted by the Standard Model of particle physics. Dark matter particles are postulated to explain cosmological observations, such as the rotational velocities of galaxies, but they have not been directly observed. According to cosmological observations, 23 percent of the universe is made of dark matter, whereas only four percent of the universe is made of visible matter. The remaining 73 percent is dark energy.

Dr. Bhatti is conducting his research at the Large Hadron Collider (LHC) at the European Organization for Nuclear Research in Geneva, Switzerland. At LHC, two very high-energy beams of protons, with each proton carrying seven trillion electron volts of energy, are collided to reproduce the conditions that were present 10-12 seconds after the Big Bang. The LHC, the largest and arguably the most complex scientific machine ever built, enables physicists to probe the laws of physics at distance scale of 10-20 meters. Dr. Bhatti is searching for dark matter candidates in the framework of supersymmetry, which is one of the most compelling extensions of the Standard Model. He also conducts research at the Fermi National Accelerator Laboratory in Illinois, where he searches for the new fundamental particles.