The FAMU experiment aims to measure for the first time the hyperfine splitting of the muonic hydrogen ground state. From this measurement the proton Zemach radius can be derived and this will shed light on the determination of the proton charge radius. In this paper, we describe the scientific goal, the method and the detailed preparatory work. This includes the outcome of preliminary measurements, subsequent refined simulations and the evaluation of the expected results. The experimental setup being built for the measurement of the hyperfine splitting to be performed at the RAL laboratory muon facility is also described.
Pizzolotto, C., Adamczak, A., Bakalov, D., Baldazzi, G., Baruzzo, M., Benocci, R., et al. (2020). The FAMU experiment: muonic hydrogen high precision spectroscopy studies. THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI, 56(7) [10.1140/epja/s10050-020-00195-9].
The FAMU experiment: muonic hydrogen high precision spectroscopy studies
Benocci R.;Bonesini M.;Clemenza M.;Guffanti D.;Maggi V.;Roman H. E.;
2020
Abstract
The FAMU experiment aims to measure for the first time the hyperfine splitting of the muonic hydrogen ground state. From this measurement the proton Zemach radius can be derived and this will shed light on the determination of the proton charge radius. In this paper, we describe the scientific goal, the method and the detailed preparatory work. This includes the outcome of preliminary measurements, subsequent refined simulations and the evaluation of the expected results. The experimental setup being built for the measurement of the hyperfine splitting to be performed at the RAL laboratory muon facility is also described.
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