The SIDDHARTA-2 experiment at the DAΦNE collider of INFN-LNF performs high precision light kaonic atoms x-ray spectroscopy to investigate the kaon-nucleon(s) strong interaction in the low-energy (O(10 keV)) regime. A large area silicon drift detectors (SDDs) system has been developed to carry out these measurements. The collaboration aims to extend the measurements campaign to higher mass kaonic atoms, which exhibit transition lines at increased x-ray energies. In this context, the spectroscopic response of the SIDDHARTA-2 SDD system was investigated in terms of linearity and energy resolution up to 50 keV. An accuracy of the energy calibration procedure (Formula presented) (Formula presented) was achieved.
Clozza, F., Sgaramella, F., Abbene, L., Artibani, F., Bazzi, M., Borghi, G., et al. (2026). Extended x-ray energy characterization of SIDDHARTA-2 large-area silicon drift detectors up to 50 keV. MEASUREMENT SCIENCE & TECHNOLOGY, 37(19) [10.1088/1361-6501/ae65cb].
Extended x-ray energy characterization of SIDDHARTA-2 large-area silicon drift detectors up to 50 keV
Abbene L.;Buttacavoli A.;Principato F.;
2026-05-12
Abstract
The SIDDHARTA-2 experiment at the DAΦNE collider of INFN-LNF performs high precision light kaonic atoms x-ray spectroscopy to investigate the kaon-nucleon(s) strong interaction in the low-energy (O(10 keV)) regime. A large area silicon drift detectors (SDDs) system has been developed to carry out these measurements. The collaboration aims to extend the measurements campaign to higher mass kaonic atoms, which exhibit transition lines at increased x-ray energies. In this context, the spectroscopic response of the SIDDHARTA-2 SDD system was investigated in terms of linearity and energy resolution up to 50 keV. An accuracy of the energy calibration procedure (Formula presented) (Formula presented) was achieved.
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