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HBAR12 Report Summary

Project ID: 321178
Funded under: FP7-IDEAS-ERC
Country: Denmark

Mid-Term Report Summary - HBAR12 (Spectroscopy of Trapped Antihydrogen)

This project aims to conduct the first laser spectroscopic measurement of the antihydrogen atom - the antimatter equivalent to the hydrogen atom. The laws of physics as we currently understand them require the spectra of these two systems to be identical. During the first project period we have acquired and commissioned a complete laser system to excite transitions in trapped antihydrogen atoms in the ALPHA-2 device at CERN in Geneva. The ALPHA experiment is the only facility in the world to routinely produce and trap antihydrogen atoms. Initial trials of the complete system were undertaken in 2015, and the experiment will begin again when antiprotons are available at CERN at the end of April, 2016. The team hopes to achieve resonant excitation of trapped antihydrogen in the upcoming physics run, which lasts from April until late November.

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