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Bonn 2020 – wissenschaftliches Programm

Die DPG-Frühjahrstagung in Bonn musste abgesagt werden! Lesen Sie mehr ...

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HK: Fachverband Physik der Hadronen und Kerne

HK 26: Structure and Dynamics of Nuclei V

HK 26.7: Vortrag

Mittwoch, 1. April 2020, 15:45–16:00, J-HS E

Measuring the 2s-1s transition in Muonic atoms — •Nilesh Deokar — Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, 55128 Mainz, Germany

2s-1s muonic X-rays are a potential observable to study Atomic Parity Violation (APV) in muonic atoms. Muonic X-rays are produced when negative muons cascade down the different energy levels of an atom. To detect the 2s-1s X-rays, a zinc target was placed in a negative muon beam from the piE1 beamline at the Paul Scherrer Institute, Switzerland. The muons were stopped inside the zinc target which leads to the cascade. The target was surrounded by High Purity Germanium (HPGe) detectors on two sides which detected the outgoing muonic X-rays. The data taking was carried out over a period of 8 days with beam momenta ranging from 33 MeV/c to 35 MeV/c. The 2s-1s transition in zinc corresponds to the energy value of ~1640 keV. This transition is overshadowed by background transitions and also the scattered X-rays between the HPGe detectors which give rise to satellite peaks. X-ray-X-ray coincidences can help to suppress this background. The analysis of the data acquired will revolve around separating the 2s-1s transitions from the background. A clear observation of the 2s-1s transition opens up to the possibility for an APV experiment with muonic atoms.

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