Kaonic Atom Measurements with the SIDDHARTA-2 Experiment at the DAΦNE accelerator

@misc{sirghi2026kaonic,
  title = {{Kaonic Atom Measurements with the SIDDHARTA-2 Experiment at the DA$Φ$NE accelerator}},
  author = {D Sirghi and L Abbene and F Artibani and M Bazzi and G Borghi and D Bosnar and M Bragadireanu and A Buttacavoli and M Carminati and A Clozza and F Clozza and L De Paolis and R Del Grande and K Dulski and C Fiorini and I Friščić and C Guaraldo and M Iliescu and M Iwasaki and A Khreptak and S Manti and J Marton and P Moskal and H Ohnishi and K Piscicchia and F Principato and A Scordo and F Sgaramella and M Silarski and F Sirghi and M Skurzok and A Spallone and K Toho and J Zmeskal and C Curceanu},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.35399},
  eprint = {2610.35399},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.35399},
  note = {CC BY-NC-ND 4.0},
}

TY  - UNPB
TI  - Kaonic Atom Measurements with the SIDDHARTA-2 Experiment at the DAΦNE accelerator
AU  - D Sirghi
AU  - L Abbene
AU  - F Artibani
AU  - M Bazzi
AU  - G Borghi
AU  - D Bosnar
AU  - M Bragadireanu
AU  - A Buttacavoli
AU  - M Carminati
AU  - A Clozza
AU  - F Clozza
AU  - L De Paolis
AU  - R Del Grande
AU  - K Dulski
AU  - C Fiorini
AU  - I Friščić
AU  - C Guaraldo
AU  - M Iliescu
AU  - M Iwasaki
AU  - A Khreptak
AU  - S Manti
AU  - J Marton
AU  - P Moskal
AU  - H Ohnishi
AU  - K Piscicchia
AU  - F Principato
AU  - A Scordo
AU  - F Sgaramella
AU  - M Silarski
AU  - F Sirghi
AU  - M Skurzok
AU  - A Spallone
AU  - K Toho
AU  - J Zmeskal
AU  - C Curceanu
PY  - 2026
DA  - 2026/10/26
PB  - arXiv
DO  - 10.48550/arxiv.2610.35399
UR  - https://arxiv.org/abs/2610.35399
AB  - Kaonic atoms provide a unique experimental tool to investigate low-energy strong interactions in systems containing strangeness and, through high-lying transitions, to test bound-state quantum electrodynamics. The SIDDHARTA-2 experiment at the DAΦNE electron--positron collider performs high-precision X-ray spectroscopy of kaonic atoms using low-momentum charged kaons produced in ϕ-meson decays. Its primary goal is the study of kaonic deuterium through the measurement of X-ray transitions to the ground state, providing direct access to the low-energy K^-d interaction. In parallel, SIDDHARTA-2 has carried out a broad experimental programme with gaseous targets, including kaonic helium-4 and kaonic neon, as well as measurements of high-n transitions in intermediate-mass kaonic atoms formed in the materials of the experimental setup. In this paper, the main SIDDHARTA-2 measurements and their physics motivations are reviewed, together with the experimental strategy developed for kaonic deuterium and the future perspectives of the collaboration within the EXKALIBUR programme.
ER  -