Line shape analysis of the Kβ transition in muonic hydrogen

The K β transition in muonic hydrogen was measured with a high-resolution crystal spectrometer. The spectrum is shown to be sensitive to the ground-state hyperfine splitting, the corresponding triplet-to-singlet ratio, and the kinetic energy distribution in the 3 p state. The hyperfine splitting and...

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Published inThe European physical journal. D, Atomic, molecular, and optical physics Vol. 72; no. 4; pp. 1 - 22
Main Authors Covita, Daniel S., Anagnostopoulos, Dimitrios F., Fuhrmann, Hermann, Gorke, Hubert, Gotta, Detlev, Gruber, Alexander, Hirtl, Albert, Ishiwatari, Tomoichi, Indelicato, Paul, Jensen, Thomas S., Le Bigot, Eric-Olivier, Markushin, Valeri E., Nekipelov, Michael, Pomerantsev, Vladimir N., Popov, Vladimir P., dos Santos, Joaquim M. F., Schmid, Philipp, Simons, Leopold M., Theisen, Marian, Trassinelli, Martino, Veloso, Joao F. C. A., Zmeskal, Johann
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 2018
Springer Nature B.V
EDP Sciences
Subjects
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Bayesian analysis
General Physics
Ions
Kinetic energy distribution
Line shape
Molecular
Nuclear Experiment
Optical and Plasma Physics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Information Technology
Quantum Physics
Regular Article
Spectroscopy/Spectrometry
Spintronics
Splitting
Atomic Physics
X-ray spectrometers
spectrometer: crystal
data analysis method
07.85.Nc
36.10.-k
ground state: hyperfine structure
hydrogen: muonic atom
Bayesian
Exotic atoms
energy resolution
energy spectrum
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Summary:The K β transition in muonic hydrogen was measured with a high-resolution crystal spectrometer. The spectrum is shown to be sensitive to the ground-state hyperfine splitting, the corresponding triplet-to-singlet ratio, and the kinetic energy distribution in the 3 p state. The hyperfine splitting and triplet-to-singlet ratio are found to be consistent with the values expected from theoretical and experimental investigations and, therefore, were fixed accordingly in order to reduce the uncertainties in the further reconstruction of the kinetic energy distribution. The presence of high-energetic components was established and quantified in both a phenomenological, i.e. cascade-model-free fit, and in a direct deconvolution of the Doppler broadening based on the Bayesian method. Graphical abstract
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2018-80593-1