3 papers
nucl-ex2025
Excitation Spectra of the Reaction near the -Meson Emission Threshold Measured in Coincidence with High-Momentum Protons
R. Sekiya, K. Itahashi, Y. K. Tanaka +74
The missing mass of the reaction has been measured near the -meson emission threshold in coincidence with a high-momentum proton to selectively collect $η…
physics.ins-det2025
Performance of newly constructed plastic scintillator barrel in the WASA-FRS experiments and evaluation of radiation damage effects on multi-pixel photon counter
Y. K. Tanaka, R. Sekiya, K. Itahashi +70
A barrel-shaped plastic scintillation counter with Multi-Pixel Photon Counter (MPPC) readout has been developed and operated in the first WASA-FRS experimental campaign at GSI. The…
nucl-ex2023
Measurement of the Isolated Nuclear Two-Photon Decay in
D. Freire-Fernández, W. Korten, R. J. Chen +57
The nuclear two-photon or double-gamma () decay is a second-order electromagnetic process whereby a nucleus in an excited state emits two gamma rays simultaneously. To be able…