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T: Fachverband Teilchenphysik

T 94: Neutrino physics without accelerators VII

T 94.3: Vortrag

Donnerstag, 18. März 2021, 16:35–16:50, Ts

Strategy used in CNO solar neutrinos analysis with the Borexino Experiment — •Apeksha Singhal^1,2, Alexandre Göttel^1,2, Sindhujha Kumaran^1,2, Livia Ludhova^1,2, Luca Pelicci^1,2, Ömer Penek^1,2, and Giulio Settanta¹ for the Borexino collaboration — ¹Forschungszentrum Jülich - Institute for Nuclear Physics, IKP-2, Jülich, Germany — ²RWTH Aachen University - Physics Institute III B, Aachen, Germany

The Borexino Detector, an ultra-pure liquid scintillator located at the Laboratori Nazionali del Gran Sasso, Italy has detected the neutrinos from CNO cycle in the Sun for the first time in history. The challenges faced in the analysis of CNO neutrinos are the low rate of CNO neutrinos and degeneracy of spectral shape of CNO neutrinos to that of Bi-210 background and pep solar neutrinos. This talk describes the optimization of Monte Carlo simulation in order to perform spectral fit of data and determination of constraints like C-11 shift in energy scale and Bi-210 constraint model parameters.