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Article Dans Une Revue Hyperfine Interactions Année : 2009

Line shape of the μH(3p - 1s) transition

Résumé

The line shape of the (3p − 1s) X-ray transition in muonic hydrogen was measured for the first time with a high-resolution crystal spectrometer. The assumption of a statistical population of the hyperfine levels was directly confirmed by experiment, and a measured value for the hyperfine splitting is reported. An X-ray line broadening due to Doppler effect could be clearly identified and attributed to different Coulomb de-excitation transitions which precede the measured radiative transition. The results allow a decisive test of advanced cascade model calculations and establish an alternative and “model free” method to extract the strong-interaction parameters from pionic hydrogen data.

Dates et versions

hal-00431694 , version 1 (12-11-2009)

Identifiants

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Daniel S. Covita, Dimitri Anagnostopoulos, H. Gorke, Detlev Gotta, A. Gruber, et al.. Line shape of the μH(3p - 1s) transition. Hyperfine Interactions, 2009, 193, pp.61-67. ⟨10.1007/s10751-009-0062-1⟩. ⟨hal-00431694⟩
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