Würzburg 2018 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 31: Neutrinophysik VI
T 31.8: Vortrag
Dienstag, 20. März 2018, 18:15–18:30, Z6 - HS 0.001
SAMAK: new analysis software for the KATRIN experiment — •Pablo Israel Morales Guzman for the KATRIN collaboration — Max Planck Institute für Physik — Technische Universität München
The purpose of the KArlsruhe TRItium Neutrino (KATRIN) experiment is to measure the neutrino mass with a sensitivity of 200 meV/c2 with a 90 % C.L., by observing the spectrum of tritium beta decay electrons near the endpoint. It could also set stringent constraint on the existence of light sterile neutrinos.
The KATRIN experiment is set to start collecting data later this year (2018). As a mean of analysis validation, several independent tools were developed within the KATRIN collaboration. One of these tools is the Simulation and Analysis with Matlab in KATRIN (SAMAK, castle in Czech). SAMAK is a new software developed to simulate and fit the tritium beta decay spectrum, with the incorporation of the state of the art of the modeling of the spectrum, including the decay to the excited states of all tritium isotopologue molecules, for instance.
In this talk an overview of SAMAK will be given. As an example, we will discuss the measurement of the effective tritium beta decay endpoint in KATRIN, with both first light and whole 3y dataset.