Measurement of the quadrupole moment of Re 185 and Re 187 from the hyperfine structure of muonic X rays

A. Antognini, N. Berger, T. E. Cocolios, R. Dressler, R. Eichler, A. Eggenberger, P. Indelicato, K. Jungmann, C. H. Keitel, K. Kirch, A. Knecht, N. Michel, J. Nuber, N. S. Oreshkina, A. Ouf, A. Papa, R. Pohl, M. Pospelov, E. Rapisarda, N. RitjohoS. Roccia, N. Severijns, A. Skawran, S. M. Vogiatzi, F. Wauters, L. Willmann

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Abstract

The hyperfine splitting of the 5g→4f transitions in muonic Re185,187 has been measured using high resolution high purity germanium detectors and compared to state-of-the-art atomic theoretical predictions. The spectroscopic quadrupole moment has been extracted using modern fitting procedures and compared to the values available in literature obtained from muonic x rays of natural rhenium. The extracted values of the nuclear spectroscopic quadrupole moment are 2.07(5) b and 1.94(5) b, respectively for Re185 and Re187.

Original languageEnglish (US)
Article number054313
JournalPhysical Review C
Volume101
Issue number5
DOIs
StatePublished - May 2020
Externally publishedYes

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© 2020 American Physical Society.

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