Reconstruction of spin observables in the pbar p → anti-Ω Ω reaction

Detta är en Master-uppsats från Uppsala universitet/Kärnfysik

Författare: Arnela Hrbat; [2023]

Nyckelord: ;

Sammanfattning: The aim of this project was to reconstruct the spin observables of hyperons in the bar p → anti-ΩΩ reaction using a novel formalism that was developed at Uppsala University, using the standard event generator EvtGen. EvtGen is the event generator that is used in PandaRoot, but in this work, it is used as the standalone software. The polarisation parameters and weak decay asymmetry parameters were estimated using the method of moments, and then, they were weighted according to the formalism. Most of the constructed polarisation parameters are in very good agreement with the input model. The weak decay asymmetry parameters are reconstructed, and the agreement with the input model is good except in the region around cos θΩ = 0, where the polarisation goes through 0.   

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