Double-β transformations in isobaric triplets with mass numbers A = 124, 130, 
and 136

Nesterenko, D.A.; Blaum, Klaus; Block, Michael; Droese, C.; Eliseev, Sergey; Herfurth, Frank; Ramirez, E. Minaya; Novikov, Yu.N.; Schweikhard, Lutz; Shabaev, V.M.; Smirnov, M.V.; Tupitsyn, I.I.; Zuber, K.; Zubova, N.A.

doi:10.1103/PhysRevC.86.044313

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Double-β transformations in isobaric triplets with mass numbers A = 124, 130, and 136

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Blaum, Klaus
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Eliseev, Sergey
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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http://link.aps.org/doi/10.1103/PhysRevC.86.044313
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Citation

Nesterenko, D., Blaum, K., Block, M., Droese, C., Eliseev, S., Herfurth, F., et al. (2012). Double-β transformations in isobaric triplets with mass numbers A = 124, 130, and 136. Physical Review C, 86(4): 044313, pp. 1-8. doi:10.1103/PhysRevC.86.044313.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0010-0CF9-4

Abstract

The Q values of double-electron capture in ¹²⁴Xe, ¹³⁰Ba, and ¹³⁶Ce and double-beta decay of ¹²⁴Sn and ¹³⁰Te have been determined with the Penning-trap mass spectrometer SHIPTRAP with a few hundred eV uncertainty. These nuclides are members of three isobaric triplets with common daughter nuclides. The main goal of this work was to investigate the existence of the resonant enhancement of the neutrinoless double-electron-capture rates in ¹²⁴Xe and ¹³0Ba in order to assess their suitability for the search for neutrinoless double-electron capture. Based on our results, in neither of these cases is the resonance condition fulfilled.