Study of proton interactions in the DsTau(NA65) experiment at the CERN-SPS

Date

2024-9-6

Author

Yüksel, Emin

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The Standard Model consists of three generations of leptons, with the neutrinos corresponding to each generation being extensively studied and well understood, except for tau neutrino. While the interaction of tau neutrino has been observed and its cross section was measured in a few experiments, the number of observed interactions remains limited and is accompanied by significant uncertainties. The DsTau (NA65) experiment at CERN-SPS aims to measure the cross-section of Ds meson production, which will provide a precise understanding of tau neutrino production. The DsTau experiment employs a nuclear emulsion-based detector with a sub-micron spatial resolution to detect the small kink in the Ds to Tau decay topology. In this thesis, we present the first results of the data analysis of the 2018 run. A new method is developed for the proton track reconstruction through the full detector. The proton interaction vertex is analyzed in detail, and data is compared with different Monte Carlo event generator predictions. The findings presented in this study can be utilized to improve the predictions of event generators.

Subject Keywords

DsTau experiment, Proton interactions, KNO-G scaling

URI

https://hdl.handle.net/11511/111528

Collections

Graduate School of Natural and Applied Sciences, Thesis