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Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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T: Fachverband Teilchenphysik

T 46: Detector systems III

T 46.1: Group Report

Wednesday, April 1, 2020, 16:30–16:50, H-HS II

Implementation of a Background Tagger used in SHiP (search of hidden particles) experiments — •Jan Zimmermann — Humboldt Universität Berlin

SHiP is a proposed beam dump experiment at CERN to search for very weakly interacting new particles with a mass between 0.1GeV - 10GeV. Hadrons from proton-proton collisions are absorbed and muons redirected through a magnet system. This leaves only neutrinos and other neutral particles to decay in the 50m long decay volume. This decay volume will be surrounded by scintillating liquid (Surrounding Background Tagger = SBT) to reduce background. The scintillation photons will be detected using wavelength-shifting optical modules coupled to an array of silicon photomultipliers.

This talk will analyse and discuss the detector-response of a new and improved liquid-scintillator detector, tested at the DESY II accelerator in 2019, and compare the results to previous measurements performed in 2018 with an improved fixation and covering setup.

A general introduction to the SBT will be given in a dedicated presentation by P. Deucher.

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