The aim of the FAMU (Fisica degli Atomi Muonici) experiment is to realize the first measurement of the hyperfine splitting (hfs) in the 1S state of muonic hydrogen Delta E-1S(hfs), by using the RIKEN-RAL intense pulsed muon beam and a high-energy mid-infrared tunable laser. This requires a detailed study of the muon transfer mechanism at different temperatures and hence at different epithermal states of the muonic system. The experimental setup involves a cryogenic pressurized gas target and a detection system based on silicon photomultipliers-fiber beam hodoscopes and high purity Germanium detectors and Cerium doped Lanthanium Bromide crystals, for X-rays detection at energies around 100 keV.Simulation, construction and detector performances of the FAMU apparatus at RAL are reported in this paper.
Adamczak, A., Baccolo, G., Banfi, S., Bakalov, D., Baldazzi, G., Benocci, R., et al. (2018). The FAMU experiment at RIKEN-RAL to study the muon transfer rate from hydrogen to other gases. JOURNAL OF INSTRUMENTATION, 13(12), P12033-P12063 [10.1088/1748-0221/13/12/P12033].
The FAMU experiment at RIKEN-RAL to study the muon transfer rate from hydrogen to other gases
Baccolo, G.;Banfi, S.;Benocci, R.;Bonesini, M.
;Clemenza, M.;Guffanti, D.;Maggi, V.;Moretti, M.;Nastasi, M.;Previtali, E.;
2018
Abstract
The aim of the FAMU (Fisica degli Atomi Muonici) experiment is to realize the first measurement of the hyperfine splitting (hfs) in the 1S state of muonic hydrogen Delta E-1S(hfs), by using the RIKEN-RAL intense pulsed muon beam and a high-energy mid-infrared tunable laser. This requires a detailed study of the muon transfer mechanism at different temperatures and hence at different epithermal states of the muonic system. The experimental setup involves a cryogenic pressurized gas target and a detection system based on silicon photomultipliers-fiber beam hodoscopes and high purity Germanium detectors and Cerium doped Lanthanium Bromide crystals, for X-rays detection at energies around 100 keV.Simulation, construction and detector performances of the FAMU apparatus at RAL are reported in this paper.
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