Brown Bag Instrumentation Seminar

The NNBAR detector and beamline

by Katherine Dunne (Stockholm University)

50A-5132 ()



Baryon number violation is considered a necessary condition to explain matter-antimatter asymmetry and may also play a role in accessing a hidden sector and addressing the question of dark matter. The construction of the European Spallation Source (ESS) provides a unique opportunity to exploit a high intensity beam of cold neutrons to perform searches for baryon number violation. The NNbar experiment will search for neutron-antineutron and neutron-sterile neutron oscillations with an improvement in sensitivity of several orders of magnitude compared to previous searches. An overview of the experiment and developments towards a prototype detector at Stockholm University are presented in this talk.

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