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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 16: Spin Polarized Beams

AKBP 16.6: Talk

Friday, March 22, 2024, 10:45–11:00, E 020

Status of the 5 MeV Mott polarimeter at MESA — •Rakshya Thapa — Institut für Kernphysik, Mainz, Germany

P2 experiment at Mainz Energy-Recovering Superconducting Accelerator (MESA) desires to achieve Weinberg angle with an uncertainty of 0.15 %. This imposes that the uncertainty of the beam polarisation measurement has to be less than 1 %. A polarimetry chain with polarimeters operating at different energy and principles is planned to achieve this.

A Mott polarimeter operating at 5 MeV will be installed in this chain. The polarimeter has been designed. A study of the feasibility of several constituents of composite geometry is being carried out via computer simulation, which will be reported during this talk.

Keywords: MESA; MOTT; POLARIMETRY