Pionic hydrogen and deuterium
D. Gotta, L. M. Simons
SciPost Phys. Proc. 5, 014 (2021) · published 6 September 2021
- doi: 10.21468/SciPostPhysProc.5.014
Review of Particle Physics at PSI
The measurement of strong-interaction shift and broadening in pionic hydrogen and deuterium yields pion-nucleon scattering lengths as well as the threshold pion-production strength on isoscalar NN pairs. Results from recent high-resolution experiments at PSI using crystal spectrometers allow important comparisons with the outcome of the modern low-energy description of QCD within the framework of effective field theories.
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- 1 Detlev Gotta,
- 2 L. M. Simons