Abstract
SynopsisCorrelations between β decay products are sensitive observables to look for exotic contributions to the weak interaction excluded by the Standard Model of particle physics. To precisely measure the β – v angular correlation parameter, αβν, in 6He β decay, the radioactive atoms are trapped in a magneto-optical trap and the momentum of β particles and 6Li recoil ions are measured in coincidence. The shake-off process, leading to higher charge states of the Li, plays an important role in this observation and must be studied carefully. Its study provides stringent tests of the sudden approximation for atomic calculations in this few electron system.
Highlights
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Synopsis Correlations between β decay products are sensitive observables to look for exotic contributions to the weak interaction excluded by the Standard Model of particle physics
To precisely measure the β − ν angular correlation parameter, aβν, in 6He β decay, the radioactive atoms are trapped in a magneto-optical trap and the momentum of β particles and 6Li recoil ions are measured in coincidence
Summary
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. Ser. 635 052066 (http://iopscience.iop.org/1742-6596/635/5/052066) View the table of contents for this issue, or go to the journal homepage for more XXIX International Conference on Photonic, Electronic, and Atomic Collisions (ICPEAC2015) IOP Publishing Journal of Physics: Conference Series 635 (2015) 052066 doi:10.1088/1742-6596/635/5/052066 Laser trapped 6He as a probe of the weak interaction and a test of the sudden approximation
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