Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 78: Suche nach neuen Teilchen 4

T 78.2: Vortrag

Mittwoch, 29. März 2017, 17:05–17:20, JUR 2

Search for hidden particles at SHiP: impact of the vertex reconstruction — Maximilian Ehlert, Sandra Gerlach, •Ievgen Korol, Heiko Lacker, Paul Rosenau, and Plamenna Venkova — Humboldt University, Berlin, Germany

A new general-purpose fixed-target facility, SHiP, is proposed at the CERN SPS 400 GeV accelerator complex. It aims to search for "hidden particles", such as Heavy Neutral Leptons (HNL), dark photons, axion-like particles etc. The principal background to the hidden-particle decay signals originates from neutrino- and muon-induced interactions, from muon combinatorial background, and from cosmic muons. The talk explains the offline reconstructin of signal events and the vertex and impact-parameter reconstruction, which plays an important role in the rejection of background events.