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Commissioning of the n2EDM experiment

LPSC, Grenoble
Grenoble, France
Posting live until
12 Apr 2024

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Our group at LPSC Grenoble is part of the international collaboration conducting an experimental program to measure the electric dipole moment of the neutron using the ultracold neutron source at the Paul Scherrer Institut (PSI) in Switzerland. The neutron EDM is among the most sensitive probes of CP violation beyond the Standard Model, therefore the discovery potential is quite motivating. In the period 2010 - 2017 we have exploited the apparatus which holds the sensitivity record and produced the most stringent limit for the nEDM (still compatible with zero). Since 2017 we are installing n2EDM, the next generation instrument. The n2EDM apparatus is presently in advanced commissioning phase, ultracold neutrons were injected in the apparatus for the first time in July 2023. The team at LPSC Grenoble is responsible for several sub-systems of the experiment, namely (i) the atomic co-magnetometer (ii) the UCN switch (iii) the magnetic field mapper robot (iv) the data monitoring interface, a web framework to monitor the data.

The project requires frequent travels to PSI in Switzerland, typically 5 weeks per year.

It is an exciting time for the project, the candidate will have the opportunity to analyze the first data and contribute in the very first physics results. The candidate will be expected to take a leading role in:

• Participation to the measurement campaign with ultracold neutrons at PSI

• Participation to the magnetic mapping campaign in 2025 at PSI

• Online data quality analysis

• Development of the analysis code for the first n2EDM science data

The position is funded by the IN2P3, for a duration of 2 years.

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