publication . Article . Preprint . 2016

Precision X-ray spectroscopy of kaonic atoms as a probe of low-energy kaon-nucleus interaction

Zmeskal Johann; O. Vazquez Doce; Eberhard Widmann; Ryugo Hayano; Alessandro Scordo; Paolo Levi Sandri; catalina curceanu; Antonio Romero Vidal; Arslan Dawood Butt;
Open Access
  • Published: 10 Jan 2016 Journal: EPJ Web of Conferences, volume 126, page 4,045 (eissn: 2100-014X, Copyright policy)
  • Publisher: EDP Sciences
Abstract
In the exotic atoms where one atomic $1s$ electron is replaced by a $K^{-}$, the strong interaction between the $K^{-}$ and the nucleus introduces an energy shift and broadening of the low-lying kaonic atomic levels which are determined by only the electromagnetic interaction. By performing X-ray spectroscopy for Z=1,2 kaonic atoms, the SIDDHARTA experiment determined with high precision the shift and width for the $1s$ state of $K^{-}p$ and the $2p$ state of kaonic helium-3 and kaonic helium-4. These results provided unique information of the kaon-nucleus interaction in the low energy limit.
Subjects
arXiv: Physics::Atomic PhysicsNuclear TheoryPhysics::Atomic and Molecular Clusters
free text keywords: Nuclear Experiment, Physics, QC1-999
Funded by
EC| HADRONPHYSICS3
Project
HADRONPHYSICS3
Study of Strongly Interacting Matter
  • Funder: European Commission (EC)
  • Project Code: 283286
  • Funding stream: FP7 | SP4 | INFRA
,
EC| HADRONPHYSICS2
Project
HADRONPHYSICS2
Study of Strongly Interacting Matter
  • Funder: European Commission (EC)
  • Project Code: 227431
  • Funding stream: FP7 | SP4 | INFRA
,
HRZZ| High precision measurements of hadronic system properties and low energy QCD
Project
  • Funder: Croatian Science Foundation (CSF) (HRZZ)
  • Project Code: IP-2013-11-1680
,
FWF| Measurement of kaonic deuterium X-rays
Project
  • Funder: Austrian Science Fund (FWF) (FWF)
  • Project Code: P 24756
  • Funding stream: Einzelprojekte
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