PoS - Proceedings of Science
Volume 380 - Particles and Nuclei International Conference 2021 (PANIC2021) - Tests of symmetries and conservation laws
Laser spectroscopy of three-body antiprotonic and pionic helium atoms at CERN and PSI
M. Hori
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Pre-published on: March 17, 2022
Published on:
Abstract
Some recent results on laser spectroscopy experiments of three-body antiprotonic helium atoms carried out at the Antiproton Decelerator facility of CERN, and pionic helium atoms carried out at the 590 MeV ring cyclotron facility of the Paul Scherrer Institute are reviewed. An infrared laser transition $(n,\ell)=(17,16)$$\rightarrow$$(17,15)$ of pionic helium at a frequency of $\nu\approx 183760$ GHz was detected.
DOI: https://doi.org/10.22323/1.380.0451
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