![]() ![]() ![]() “We need the IBL in order to help us identify these bottom quarks so we can continue to study the Higgs boson as well as search for new and interesting phenomena,” Marx says. The IBL will be especially important for identifying heavy particles, such as bottom quarks, which are produced during decays of short-lived particles such as the Higgs boson, says Lynn Marx, a postdoc at the University of Washington, Seattle. As we move to the next energy, there will be more and more particles produced, and the IBL will help us pick out the interesting particles we want to study.” “It will give us very precise measurements of the momentum and trajectories of the particles produced during the collisions. “The size of the pixels in the IBL are smaller than the pixels in the other parts of the pixel detector,” says Michael Kagan, a postdoc at SLAC National Accelerator Laboratory. The IBL will increase the resolution of the ATLAs pixel detector even further. “It allows us to create pictures of what is occurring inside our detector immediately after the collisions.”īut whereas an average digital camera consists of one silicon detector, the ATLAS pixel detector contains over 1700. “The pixel detector is really like a camera,” says Karolos Potamianos, a postdoc at Lawrence Berkeley National Laboratory. ![]() The chips, combined with their supporting infrastructure, record the energy deposits of particles bursting from collisions and allow scientists to decipher their identities and momenta. The IBL is a radiation-resistant addition to the pixel detector, which consists of a series of barrels of sensitive silicon chips. The new component, called the Insertable b-Layer, or IBL, will be the first point of detection for new particles produced during high-energy collisions inside the detector. Scientists and engineers have installed a new component into its heart. The Large Hadron Collider’s biggest detector, the ATLAS detector, just got a little bigger. ![]()
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