A search for 0 ν β β decay of 124 Sn with tin-loaded liquid scintillator

M. J. Hwang, Y. J. Kwon, H. J. Kim, J. W. Kwak, S. C. Kim, S. K. Kim, T. Y. Kim, S. Y. Kim, H. S. Lee, M. J. Lee, S. S. Myung, Y. D. Kim, J. I. Lee, W. G. Kang, I. S. Hahn, M. H. Lee

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Abstract

A search for the neutrinoless double-beta decay of 124 Sn was carried out using the tin-loaded liquid scintillator for an active source-detector technique. Tin (32.6%) in weight was successfully loaded into the liquid scintillator, and light output was as high as 57% of the unloaded liquid scintillator. A tin-loaded liquid scintillator with 1.1ℓ volume was installed at the 700 m underground laboratory in YangYang, and data were taken for 5285 h. No evidence for the 0 ν β β decay was found and a lower limit on the 124 Sn half-life was obtained to be 2.0 × 1019 year with 90% C.L. The new limit represents a significant improvement with respect to those previously available for 124 Sn.

Original languageEnglish
Pages (from-to)412-416
Number of pages5
JournalAstroparticle Physics
Volume31
Issue number6
DOIs
Publication statusPublished - 2009 Jul

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics

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    Hwang, M. J., Kwon, Y. J., Kim, H. J., Kwak, J. W., Kim, S. C., Kim, S. K., Kim, T. Y., Kim, S. Y., Lee, H. S., Lee, M. J., Myung, S. S., Kim, Y. D., Lee, J. I., Kang, W. G., Hahn, I. S., & Lee, M. H. (2009). A search for 0 ν β β decay of 124 Sn with tin-loaded liquid scintillator. Astroparticle Physics, 31(6), 412-416. https://doi.org/10.1016/j.astropartphys.2009.05.001