We report on a search for double beta decay of 130Te to the first 0 + excited state of 130Xe using a 9.8kg·yr exposure of 130Te collected with the CUORE-0 experiment. In this work we exploit different topologies of coincident events to search for both the neutrinoless and two-neutrino double beta decay modes. We find no evidence for either mode and place lower bounds on the half-lives: T01+0ν>7.9·1023yr and T01+2ν>2.4·1023yr (90%CL). Combining our results with those obtained by the CUORICINO experiment, we achieve the most stringent constraints available for these processes: T01+0ν>1.4·1024yr and T01+2ν>2.5·1023yr (90%CL).

Alduino C., Alfonso K., Artusa D.R., AvignoneIII F.T., Azzolini O., Banks T.I., et al. (2019). Double-beta decay of 130Te to the first 0 + excited state of 130Xe with CUORE-0. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 79(9), 1-9 [10.1140/epjc/s10052-019-7275-5].

Double-beta decay of 130Te to the first 0 + excited state of 130Xe with CUORE-0

Deninno M. M.;Moggi N.;Zucchelli S.
2019

Abstract

We report on a search for double beta decay of 130Te to the first 0 + excited state of 130Xe using a 9.8kg·yr exposure of 130Te collected with the CUORE-0 experiment. In this work we exploit different topologies of coincident events to search for both the neutrinoless and two-neutrino double beta decay modes. We find no evidence for either mode and place lower bounds on the half-lives: T01+0ν>7.9·1023yr and T01+2ν>2.4·1023yr (90%CL). Combining our results with those obtained by the CUORICINO experiment, we achieve the most stringent constraints available for these processes: T01+0ν>1.4·1024yr and T01+2ν>2.5·1023yr (90%CL).
2019
Alduino C., Alfonso K., Artusa D.R., AvignoneIII F.T., Azzolini O., Banks T.I., et al. (2019). Double-beta decay of 130Te to the first 0 + excited state of 130Xe with CUORE-0. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 79(9), 1-9 [10.1140/epjc/s10052-019-7275-5].
Alduino C.; Alfonso K.; Artusa D.R.; AvignoneIII F.T.; Azzolini O.; Banks T.I.; Bari G.; Beeman J.W.; Bellini F.; Bersani A.; Biassoni M.; Brofferio C...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/711454
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