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https://hdl.handle.net/2445/222903| Title: | Multi-strange baryon spectroscopy at the LHCb experiment in Ω0c → Ξ−K−π+π+ decays |
| Author: | Garcia Gazulla, Carla |
| Director/Tutor: | Marin Benito, Carla Calefice, Lukas |
| Keywords: | Física de partícules Aprenentatge automàtic Treballs de fi de grau Particle physics Machine learning Bachelor's theses |
| Issue Date: | Jan-2025 |
| Abstract: | In this study, the decay Ω0c → Ξ−K−π+π+ is analysed to search for the presence of excited Ω− baryon states. Using data from the LHCb experiment, a Boosted Decision Tree (BDT) classifier is developed, enhancing the signal-to-background ratio by a factor 2 compared to standard selection criteria. This approach resulted in a clean Ω0c mass peak, enabling the exploration of excited states. The invariant mass spectra reveal hints of a potential resonance |
| Note: | Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2025, Tutors: Carla Marín Benito, Lukas Calefice |
| URI: | https://hdl.handle.net/2445/222903 |
| Appears in Collections: | Treballs Finals de Grau (TFG) - Física |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| TFG-Garcia-Gazulla-Carla.pdf..pdf | 1.04 MB | Adobe PDF | View/Open |
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