LabWikiParent ArticleReferencing Articles (1)Article FunctionsLab Questions/CommentsLab UpdatesSearch the WikiMoreHEP data analysis in a BFY labThis exercise will bring high energy particle physics into your beyond-first-year lab! Particle physics has opened its doors to the world with the CERN Open Data Portal, which provides both students and researchers with opportunities to engage with real collision data from the Large Hadron Collider (LHC). This exercise provides a university-level upgrade to popular high-school learning experiences available from the portal that builds data analysis skills and reinforces Modern Physics course concepts. Data from the Compact Muon Solenoid (CMS) experiment will be provided in a format that can be quickly processed by students using either MATLAB or Python. Their task will be to “discover” a heavy particle that decays to two muons by reverse-engineering the properties of the short-lived particle from the observed muons. Students will build proficiency with: · relativistic kinematics and energy conservation, · Poisson-distributed data events with multiple features, · analysis using histograms, · indistinguishable signal and background events, · fitting and background subtraction, · uncertainty propagation, · array-based programming and plotting!
Day 1: Dive into the background material: learn about the LHC, the CMS detector, and how particle physics datasets are collected and analyzed by physicists. Day 3: Explore the learning objectives, typical student misconceptions, and instructor tools for the exercise. Develop a version best suited to your lab environment and timescale. Please bring your laptop and your favorite method of collecting notes. This exercise can be implemented for free, assuming student access to computers. Both python and MATLAB platforms will be provided – Python is freely available for all computing systems, and data from the CERN Open Data Portal is free for public access. |
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