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JEDI

The JEDI (Jülich Electric Dipole moment Investigations) collaboration was created in the end of 2011. It is aiming to carry out a long term project for the measurement of permanent electic dipole moments of charged particles in storage rings. Permanent Electric Dipole Moments (EDMs) of elementary particles violate two fundamental symmetries: time reversal invariance (T) and parity (P). Assuming the CPT theorem this implies CP violation.

EDM P/T Symmetry

The CP violation of the Standard Model is orders of magnitude too small to be observed experimentally in EDMs in the foreseeable future. It is also way too small to explain the asymmetry in abundance of matter and anti-matter in our universe. Hence, other mechanisms of CP violation outside the realm of the Standard Model are searched for and could result in measurable EDMs. Up to now most of the EDM measurements were done with neutral particles. With new techniques it is now possible to perform dedicated EDM experiments with charged hadrons at storage rings.

The EDM project is common effort of the whole IKP.


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