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My research interests include large-scale network simulation, real-time traffic prediction, and web application development. Some specific research topics within these areas are as follows:
Dynamic Transportation Network Modeling ©
Dynamic transportation network modeling is an essential tool for transportation planners, engineers, and policymakers, providing valuable insights to optimize the performance of transportation systems and better serve the needs of travelers.
Assess the impact of COVID-19 on downtown Pittsburgh traffic by visualizing traffic speed and count data before, during, and after the pandemic in the area.
Flexible Mobility Service
More flexible travel options - riding hours, pick-up and drop-off locations.
ATLAS is one of the two general purpose detectors with central angular coverage. The experiment is designed to search for highly massive particles e.g. Higgs boson and direct searches for new physics. I involved with two projects in ATLAS:
Characterize and optimize the track to vertex requirements using Run-2 MC samples. Test the performance using the early Run-2 data.
Search for Higgs boson pair production where one Higgs boson decays via h→bb and the other Higgs boson decays via h→WW*→lνqq (where l is either an electron or muon).
The RD42 collaboration has been exploring Chemical Vapor Deposition (CVD) diamond as a material for tracking in extremely challenging operating environments, such as the innermost layers of high-energy physics experiments that must withstand significant radiation doses. In collaboration with my colleagues, I have designed and built pad, strip, pixel, and 3D CVD diamond detectors for the ATLAS and CMS (Compact Muon Solenoid) experiments. Since 2015, CVD Diamond Beam Monitors (DBM) have been installed and integrated into the readout systems for the ATLAS experiment.
LHCb focuses on the measurements of CP violation in b-physics experiments. It is also used to study heavy flavor spectroscopy. Other studies include measurements of production cross sections and electroweak physics in the forward region. I worked on several topics including first observation of Bc+→J/ψ 3π (Phys. Rev. Lett), search for X(4140) in LHCb (Phys. Rev. D), determination of X(3872) quantum numbers (Phys. Rev. Let) and radiation tolerance study of FPGA (field programmable gate array).
RHIC is one of only two operational heavy-ion colliders and the sole spin-polarized proton collider ever constructed. I was involved in building and testing the new prototype Long Multi-pad Resistive Plate Chamber (LMRPC) for the large-area Muon Telescope Detector (MTD) as part of the STAR experiment at RHIC.
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