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Design of Interaction Region for a BaF EDM Search

Kang, Yuzheng (2018) Design of Interaction Region for a BaF EDM Search. Bachelor's Thesis, Physics.


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The search for a permanent electric dipole moment requires a state-of-the-art of an interaction zone, where polarized BaF molecules are exposed to parallel an anti-parallel electric and magnetic fields. This thesis presents a steady on magnetic field compensation for an interaction zone. Compensation to a residual was achieved with a low magnetic field (< 2nT) by using set of 3 independent compensation coils and a single layer demagnetized µ metal shell in a 1.6 · 12 ·π 2 cm3 cylinder. Following the application of an external magnetic field on a shielding cylinder, we observed that the magnetization has a relaxation time which dependents on the frequency after externally applied field. With a high magnetic field up to 7.5A/m, the demagnetization in either axial or transverse direction of a cylinder has led to comparable compensation.

Item Type: Thesis (Bachelor's Thesis)
Supervisor name: Jungmann, K.H.K.J. and Willmann, L.
Degree programme: Physics
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 06 Jul 2018
Last Modified: 07 Aug 2018 11:57

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