Eur. Phys. J. C (2023) 83: 996
https://doi.org/10.1140/epjc/s10052-023-12036-2

Erratum

Erratum to: Sensitivity of the DARWIN observatory to the neutrinoless double beta decay of ${}^{136}$Xe

¹ Department of Physics and Astronomy, University of Bologna and INFN-Bologna, 40126, Bologna, Italy
² LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, 75252, Paris, France
³ Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149, Münster, Germany
⁴ LIBPhys, Department of Physics, University of Coimbra, 3004-516, Coimbra, Portugal
⁵ Vinca Institute of Nuclear Science, University of Belgrade, Mihajla Petrovica Alasa 12-14., Belgrade, Serbia
⁶ Physics Department, Columbia University, 10027, New York, NY, USA
⁷ Physik-Institut, University of Zurich, 8057, Zurich, Switzerland
⁸ Physikalisches Institut, Universität Freiburg, 79104, Freiburg, Germany
⁹ Nikhef and the University of Amsterdam, Science Park, 1098XG, Amsterdam, The Netherlands
¹⁰ New York University Abu Dhabi, Abu Dhabi, United Arab Emirates
¹¹ Department of Particle Physics and Astrophysics, Weizmann Institute of Science, 7610001, Rehovot, Israel
¹² Max-Planck-Institut für Kernphysik, 69117, Heidelberg, Germany
¹³ Department of Physics and Astronomy, Purdue University, 47907, West Lafayette, IN, USA
¹⁴ Institute for Nuclear Physics (IKP), Karlsruhe Institute of Technology (KIT), 76344, Eggenstein-Leopoldshafen, Germany
¹⁵ SUBATECH, IMT Atlantique, CNRS/IN2P3, Université de Nantes, 44307, Nantes, France
¹⁶ Institute of Experimental Particle Physics (ETP), Karlsruhe Institute of Technology (KIT), 76344, Eggenstein-Leopoldshafen, Germany
¹⁷ Department of Physics and Chemistry, University of L’Aquila, 67100, L’Aquila, Italy
¹⁸ INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100, L’Aquila, Italy
¹⁹ Department of Physics & Kavli Institute for Cosmological Physics, University of Chicago, 60637, Chicago, IL, USA
²⁰ Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
²¹ The Origins Project Foundation, 85020, Phoenix, AZ, USA
²² Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405, Orsay, France
²³ INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100, L’Aquila, Italy
²⁴ Institut für Physik & Exzellenzcluster PRISMA+, Johannes Gutenberg-Universität Mainz, 55099, Mainz, Germany
²⁵ Department of Physics, Imperial Centre for Inference and Cosmology, Imperial College London, SW7 2AZ, London, UK
²⁶ Department of Physics and Astronomy, Rice University, 77005, Houston, TX, USA
²⁷ Institute for Nuclear and Particle Physics, TU Dresden, 01069, Dresden, Germany

^ay Fabian.Kuger@physik.uni-freiburg.de
^cd patricia.sanchez@physik.uzh.ch

Received: 29 June 2023
Accepted: 13 September 2023
Published online: 3 November 2023

Abstract

We correct an overestimation of the production rate of ${}^{137}$Xe in the DARWIN detector operated at LNGS. This formerly dominant intrinsic background source is now at a level similar to the irreducible background from solar ${}^8$B neutrinos, thus unproblematic at the LNGS depth. The projected half-life sensitivity for the neutrinoless double beta decay ($0\nu \beta \beta$) of ${}^{136}$Xe improves by $22\%$ compared to the previously reported number and is now $T_{1/2}^{0\nu }=3.0\times {10}^{27}\text{yr}$ (90% C.L.) after 10 years of DARWIN operation.