利用2吨·年CUORE数据集对轻子数破坏的限制
核实验
2025-10-21 v2
摘要
物质-反物质不对称性凸显了当前粒子物理理解的不足。无中微子双贝塔衰变（）可能有助于解释这种不对称性，同时揭示中微子的马约拉纳性质。CUORE实验使用在毫开尔文温度下运行的吨级低温量热器搜索Te的。我们报告未发现的证据，并在超过2吨·年的TeO曝光量下，将半衰期下限设为年（90%置信区间）。为这一结果开发的工具和技术，以及近1000个探测器5年的稳定运行，为未来能够跨多种同位素搜索的下一代实验提供了关键基础设施。
引用
@article{arxiv.2404.04453,
title = {Constraints on Lepton Number Violation with the 2 tonne$\cdot$yr CUORE Dataset},
author = {CUORE Collaboration and D. Q. Adams and C. Alduino and K. Alfonso and F. T. Avignone and O. Azzolini and G. Bari and F. Bellini and G. Benato and M. Beretta and M. Biassoni and A. Branca and C. Brofferio and C. Bucci and J. Camilleri and A. Caminata and A. Campani and J. Cao and S. Capelli and C. Capelli and L. Cappelli and L. Cardani and P. Carniti and N. Casali and E. Celi and D. Chiesa and M. Clemenza and O. Cremonesi and R. J. Creswick and A. D'Addabbo and I. Dafinei and F. Del Corso and S. Dell'Oro and S. Di Domizio and S. Di Lorenzo and T. Dixon and V. Dompè and D. Q. Fang and G. Fantini and M. Faverzani and E. Ferri and F. Ferroni and E. Fiorini and M. A. Franceschi and S. J. Freedman and S. H. Fu and B. K. Fujikawa and S. Ghislandi and A. Giachero and M. Girola and L. Gironi and A. Giuliani and P. Gorla and C. Gotti and P. V. Guillaumon and T. D. Gutierrez and K. Han and E. V. Hansen and K. M. Heeger and D. L. Helis and H. Z. Huang and G. Keppel and Yu. G. Kolomensky and R. Kowalski and R. Liu and L. Ma and Y. G. Ma and L. Marini and R. H. Maruyama and D. Mayer and Y. Mei and M. N. Moore and T. Napolitano and M. Nastasi and C. Nones and E. B. Norman and A. Nucciotti and I. Nutini and T. O'Donnell and M. Olmi and B. T. Oregui and J. L. Ouellet and S. Pagan and C. E. Pagliarone and L. Pagnanini and M. Pallavicini and L. Pattavina and M. Pavan and G. Pessina and V. Pettinacci and C. Pira and S. Pirro and I. Ponce and E. G. Pottebaum and S. Pozzi and E. Previtali and A. Puiu and S. Quitadamo and A. Ressa and C. Rosenfeld and B. Schmidt and V. Sharma and V. Singh and M. Sisti and D. Speller and P. T. Surukuchi and L. Taffarello and C. Tomei and J. A Torres and K. J. Vetter and M. Vignati and S. L. Wagaarachchi and B. Welliver and J. Wilson and K. Wilson and L. A. Winslow and S. Zimmermann and S. Zucchelli},
journal= {arXiv preprint arXiv:2404.04453},
year = {2025}
}
备注
This is the author's version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in Science on Oct 16, 2025, DOI:10.1126/science.adp6474