Searches for muonic dark forces at Belle II

Rajesh Kumar Maiti

01 June 2021
Invisibles workshop 2021

Abstract: In this presentation, I will talk about the prospects to search for a muonic dark force at Belle II in events with four muons in the final state. These events could be due to a new gauge boson Z′ which couples only to the second and third lepton family. A short description of the background suppression technique, based on artificial neural networks, and the fitting strategies for the extraction of our discovery potential will be given. I will also introduce the possibilities to identify possible displaced vertex signatures, in case of a long-lived Z′ boson.

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 Record created 2021-06-18, last modified 2021-06-18

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