Abstract
The existent methods for measuring quadrupole interactions are not suited to nuclei with lifetimes in the micro-seconds to minutes region. AD/NQR, a possible candidate in this lifetime gap, has not yet succeeded in overcoming its predicted difficulties. A new resonant method, recently developed and based on the principles of level mixing (cfr atomic spectroscopy) covers this less accessible lifetime range. Many other kinds of resonances can be described according to the level mixing formalism. The underlying theory of LMR and its important consequences, leading to some interesting features of the method, is briefly formulated. Two successfully performed measurements demonstrate the feasibility and the predicted characteristics of this new promising method.
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Coussement, R., Put, P., Scheveneels, G. et al. Nuclear level mixing resonance spectroscopy. Hyperfine Interact 26, 1021–1034 (1985). https://doi.org/10.1007/BF02354648
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DOI: https://doi.org/10.1007/BF02354648