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- Title
X-ray Spectroscopy of Muonic Atoms Isolated in Vacuum with Transition Edge Sensors.
- Authors
Okada, S.; Azuma, T.; Bennett, D. A.; Caradonna, P.; Doriese, W. B.; Durkin, M. S.; Fowler, J. W.; Gard, J. D.; Hashimoto, T.; Hayakawa, R.; Hilton, G. C.; Ichinohe, Y.; Indelicato, P.; Isobe, T.; Kanda, S.; Katsuragawa, M.; Kawamura, N.; Kino, Y.; Miyake, Y.; Morgan, K. M.
- Abstract
High-resolution X-ray spectroscopy of the highly charged muonic atoms/ions isolated in vacuum is an ideal probe to explore quantum electrodynamics under extremely strong electric fields, which is one of the major topic in fundamental atomic physics. A feasibility test measurement with a low-density neon gas target was performed by observing X-rays emitted by muonic neon via the 5 → 4 transition, ∼ 6.3 keV, using a multi-pixel array of superconducting transition-edge-sensor (TES) microcalorimeters at the J-PARC muon facility. We successfully demonstrated the feasibility of muonic atom X-ray spectroscopy with a gas target at a pressure as low as 0.1 atom using TES array under an intense pulsed muon beam.
- Subjects
X-ray spectroscopy; ATOMIC physics; VACUUM; ATOMS; QUANTUM electrodynamics; MUONS
- Publication
Journal of Low Temperature Physics, 2020, Vol 200, Issue 5/6, p445
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-020-02476-5