Kwiatkowski, A., Brunner, T., Holt, J., Chaudhuri, A., Chowdhury, U., Eibach, M., Engel, J., Gallant, A., Grossheim, A., Horoi,
M., Lennarz, A., Macdonald, T., Pearson, M., Schultz, B., Simon, M., Senkov, R., Simon, V. V., Zuber, K., & Dilling, J.
(2014). New determination of double-β-decay properties in 48Ca: High-precision
Qββ-value measurement and improved nuclear matrix element calculations. Physical Review
C, 89(4):. doi:10.1103/PhysRevC.89.045502.