New Direct Limit on Neutrinoless Double Beta Decay Half-Life of ^{128}Te with CUORE
Affiliations
- 1 Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA.
- 2 Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA.
- 3 INFN-Laboratori Nazionali di Legnaro, Legnaro (Padova) I-35020, Italy.
- 4 INFN-Sezione di Bologna, Bologna I-40127, Italy.
- 5 Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy.
- 6 INFN-Sezione di Roma, Roma I-00185, Italy.
- 7 INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy.
- 8 Department of Physics, University of California, Berkeley, California 94720, USA.
- 9 INFN-Sezione di Milano Bicocca, Milano I-20126, Italy.
- 10 Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy.
- 11 Center for Neutrino Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA.
- 12 INFN-Sezione di Genova, Genova I-16146, Italy.
- 13 Dipartimento di Fisica, Università di Genova, Genova I-16146, Italy.
- 14 Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
- 15 Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China.
- 16 Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
- 17 Gran Sasso Science Institute, L'Aquila I-67100, Italy.
- 18 INFN-Laboratori Nazionali di Frascati, Frascati (Roma) I-00044, Italy.
- 19 Universit Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.
- 20 Physics Department, California Polytechnic State University, San Luis Obispo, California 93407, USA.
- 21 INPAC and School of Physics and Astronomy, Shanghai Jiao Tong University; Shanghai Laboratory for Particle Physics and Cosmology, Shanghai 200240, China.
- 22 Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
- 23 Department of Physics and Astronomy, The Johns Hopkins University, 3400 North Charles Street Baltimore, Maryland 21211, USA.
- 24 IRFU, CEA, Universit Paris-Saclay, F-91191 Gif-sur-Yvette, France.
- 25 Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
- 26 Department of Nuclear Engineering, University of California, Berkeley, California 94720, USA.
- 27 Dipartimento di Ingegneria Civile e Meccanica, Università degli Studi di Cassino e del Lazio Meridionale, Cassino I-03043, Italy.
- 28 INFN-Sezione di Padova, Padova I-35131, Italy.
- 29 Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
- 30 Dipartimento di Fisica e Astronomia, Alma Mater Studiorum-Università di Bologna, Bologna I-40127, Italy.
- PMID: 36493444
- DOI: 10.1103/PhysRevLett.129.222501
New Direct Limit on Neutrinoless Double Beta Decay Half-Life of ^{128}Te with CUORE
Authors
Affiliations
- 1 Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA.
- 2 Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA.
- 3 INFN-Laboratori Nazionali di Legnaro, Legnaro (Padova) I-35020, Italy.
- 4 INFN-Sezione di Bologna, Bologna I-40127, Italy.
- 5 Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy.
- 6 INFN-Sezione di Roma, Roma I-00185, Italy.
- 7 INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy.
- 8 Department of Physics, University of California, Berkeley, California 94720, USA.
- 9 INFN-Sezione di Milano Bicocca, Milano I-20126, Italy.
- 10 Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy.
- 11 Center for Neutrino Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA.
- 12 INFN-Sezione di Genova, Genova I-16146, Italy.
- 13 Dipartimento di Fisica, Università di Genova, Genova I-16146, Italy.
- 14 Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
- 15 Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China.
- 16 Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
- 17 Gran Sasso Science Institute, L'Aquila I-67100, Italy.
- 18 INFN-Laboratori Nazionali di Frascati, Frascati (Roma) I-00044, Italy.
- 19 Universit Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.
- 20 Physics Department, California Polytechnic State University, San Luis Obispo, California 93407, USA.
- 21 INPAC and School of Physics and Astronomy, Shanghai Jiao Tong University; Shanghai Laboratory for Particle Physics and Cosmology, Shanghai 200240, China.
- 22 Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA.
- 23 Department of Physics and Astronomy, The Johns Hopkins University, 3400 North Charles Street Baltimore, Maryland 21211, USA.
- 24 IRFU, CEA, Universit Paris-Saclay, F-91191 Gif-sur-Yvette, France.
- 25 Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
- 26 Department of Nuclear Engineering, University of California, Berkeley, California 94720, USA.
- 27 Dipartimento di Ingegneria Civile e Meccanica, Università degli Studi di Cassino e del Lazio Meridionale, Cassino I-03043, Italy.
- 28 INFN-Sezione di Padova, Padova I-35131, Italy.
- 29 Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
- 30 Dipartimento di Fisica e Astronomia, Alma Mater Studiorum-Università di Bologna, Bologna I-40127, Italy.
- PMID: 36493444
- DOI: 10.1103/PhysRevLett.129.222501
Abstract
The Cryogenic Underground Observatory for Rare Events (CUORE) at Laboratori Nazionali del Gran Sasso of INFN in Italy is an experiment searching for neutrinoless double beta (0νββ) decay. Its main goal is to investigate this decay in ^{130}Te, but its ton-scale mass and low background make CUORE sensitive to other rare processes as well. In this Letter, we present our first results on the search for 0νββ decay of ^{128}Te, the Te isotope with the second highest natural isotopic abundance. We find no evidence for this decay, and using a Bayesian analysis we set a lower limit on the ^{128}Te 0νββ decay half-life of T_{1/2}>3.6×10^{24} yr (90% CI). This represents the most stringent limit on the half-life of this isotope, improving by over a factor of 30 the previous direct search results, and exceeding those from geochemical experiments for the first time.
