基于顶点标记的氦气探测器中中性中微子双β衰变事件运动学重建
高能物理 - 实验
2025-06-13 v3 高能物理 - 唯象学
仪器与探测器
摘要
若发现中性中微子双β衰变，下一步自然是理解负责该过程的夸克数不守恒物理机制。除了轻中微子交换之外，还存在多种替代方案。其中一些机制可通过测量相位空间可观测量来加以区分，即两束衰变电子之间的开口角，以及电子能谱和。本文研究在具备精确衰变顶点定位能力的未来氦气探测器中，这些运动学可观测量的统计精度与准确性。对于真实的探测器条件（气压为10巴，空间分辨率为4 mm），我们发现平均值和可分别以0.19和110 keV的精度重建，假设仅探测到10个中性中微子双β衰变事件。
引用
@article{arxiv.2502.10198,
title = {Reconstructing neutrinoless double beta decay event kinematics in a xenon gas detector with vertex tagging},
author = {NEXT Collaboration and M. Martínez-Vara and K. Mistry and F. Pompa and B. J. P. Jones and J. Martín-Albo and M. Sorel and C. Adams and H. Almazán and V. Álvarez and B. Aparicio and A. I. Aranburu and L. Arazi and I. J. Arnquist and F. Auria-Luna and S. Ayet and C. D. R. Azevedo and K. Bailey and F. Ballester and M. del Barrio-Torregrosa and A. Bayo and J. M. Benlloch-Rodríguez and F. I. G. M. Borges and A. Brodolin and N. Byrnes and S. Cárcel and A. Castillo and E. Church and L. Cid and C. A. N. Conde and T. Contreras and F. P. Cossío and R. Coupe and E. Dey and G. Díaz and C. Echevarria and M. Elorza and J. Escada and R. Esteve and R. Felkai and L. M. P. Fernandes and P. Ferrario and A. L. Ferreira and F. W. Foss and Z. Freixa and J. García-Barrena and J. J. Gómez-Cadenas and J. W. R. Grocott and R. Guenette and J. Hauptman and C. A. O. Henriques and J. A. Hernando Morata and P. Herrero-Gómez and V. Herrero and C. Hervés Carrete and Y. Ifergan and F. Kellerer and L. Larizgoitia and A. Larumbe and P. Lebrun and F. Lopez and N. López-March and R. Madigan and R. D. P. Mano and A. P. Marques and G. Martínez-Lema and R. L. Miller and J. Molina-Canteras and F. Monrabal and C. M. B. Monteiro and F. J. Mora and K. E. Navarro and P. Novella and A. Nuñez and D. R. Nygren and E. Oblak and J. Palacio and B. Palmeiro and A. Para and I. Parmaksiz and A. Pazos and J. Pelegrin and M. Pérez Maneiro and M. Querol and J. Renner and I. Rivilla and C. Rogero and L. Rogers and B. Romeo and C. Romo-Luque and V. San Nacienciano and F. P. Santos and J. M. F. dos Santos and M. Seemann and I. Shomroni and P. A. O. C. Silva and A. Simón and S. R. Soleti and J. Soto-Oton and J. M. R. Teixeira and S. Teruel-Pardo and J. F. Toledo and C. Tonnelé and S. Torelli and J. Torrent and A. Trettin and A. Usón and P. R. G. Valle and J. F. C. A. Veloso and J. Waiton and A. Yubero-Navarro},
journal= {arXiv preprint arXiv:2502.10198},
year = {2025}
}