Kaonic atoms at the DAφNE collider with the SIDDHARTA-2 experiment

F. Napolitano, F. Sgaramella, M. Bazzi, D. Bosnar, M. Bragadireanu, M. Carminati, M. Cargnelli, A. Clozza, G. Deda, L. De Paolis, R. Del Grande, L. Fabbietti, C. Fiorini, C. Guaraldo, M. Iliescu, M. Iwasaki, P. Levi Sandri, J. Marton, M. Miliucci, P. MoskalS. Niedz'Wiecki, K. Piscicchia, A. Scordo, H. Shi, D. Sirghi, F. Sirghi, M. Silarski, M. Skurzok, A. Spallone, M. Tüchler, J. Zmeskal, C. Curceanu

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Kaonic atoms are a unique tool to explore quantum chromodynamics in the strangeness sector at low energy, with implications reaching neutron stars and dark matter. Precision x-ray spectroscopy can fully unlock the at-threshold isospin dependent antikaon-nucleon scattering lengths, via the atomic transitions to the fundamental level. While the SIDDHARTA experiment at the INFN-LNF DAφNE collider successfully measured kaonic hydrogen, its successor SIDDHARTA-2 is starting now its data taking campaign aiming to finally fully disentangle the isoscalar and isovector scattering lengths via the measurement of kaonic deuterium. An overview of the first experimental results from a preparatory run for the SIDDAHARTA-2 experiment is presented.

Original languageEnglish
Article number084006
JournalPhysica Scripta
Volume97
Issue number8
DOIs
StatePublished - 1 Aug 2022
Externally publishedYes

Keywords

  • SIDDHARTA-2
  • exotic atoms
  • kaon-nucleon interaction
  • kaonic helium
  • silicon drift detectors

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