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- Title
Towards more exoticness—X-ray spectroscopy of Ξ<sup>−</sup> atoms at J-PARC.
- Authors
Tanida, Kiyoshi
- Abstract
Atoms with a doubly-strange hadron, namely Ξ−, are really exotic and interesting objects. We are planning to measure X rays from Ξ− atoms for the first time at J-PARC, where a high intensity and high quality kaon beam is available. Our purpose is to obtain the strength of the optical potential, and hence to provide information on the Ξ- N interaction which is currently very poorly known. We can accumulate several thousand counts of X rays and determine the level energy shift down to ~0.05 keV. This is sensitive enough to observe the expected level shift (~1 keV) with reasonable accuracy, while the sensitivities for the level width is somewhat weaker (measurable down to ~1 keV).
- Subjects
CONSTITUTION of matter; STEREOCHEMISTRY; SPECTRUM analysis; PHYSICAL &; theoretical chemistry; PARTICLES (Nuclear physics); X-ray spectroscopy
- Publication
Hyperfine Interactions, 2009, Vol 193, Issue 1-3, p81
- ISSN
0304-3843
- Publication type
Article
- DOI
10.1007/s10751-009-0061-2