6533b821fe1ef96bd127b7f7

RESEARCH PRODUCT

Probing the nuclide 180W for neutrinoless double-electron capture exploration

C. DroeseKlaus BlaumFrank HerfurthN. A. ZubovaKai ZuberMichael BlockI. I. TupitsynSergey EliseevLutz SchweikhardS. WycechE. Minaya-ramirezYuri N. NovikovYuri N. NovikovV. M. Shabaev

subject

Nuclear physicsPhysicsNuclear and High Energy PhysicsElectron captureFOS: Physical sciencesNuclideElectronNuclear Experiment (nucl-ex)Atomic physicsNuclear ExperimentMass spectrometryWave functionNuclear Experiment

description

Abstract The mass difference of the nuclides 180 W and 180 Hf has been measured with the Penning-trap mass spectrometer SHIPTRAP to investigate 180 W as a possible candidate for the search for neutrinoless double-electron capture. The Q ϵ ϵ -value was measured to 143.20(27) keV. This value in combination with the calculations of the atomic electron wave functions and other parameters results in a half-life of the 0 + → 0 + ground-state to ground-state double-electron capture transition of approximately 5 × 10 27 years / 〈 m ϵ ϵ [ eV ] 〉 2 .

yearjournalcountryeditionlanguage
2011-12-09Nuclear Physics A
https://doi.org/10.1016/j.nuclphysa.2011.11.008