NEXT-100探测器亚百分比能量分辨率的演示
仪器与探测器
2026-01-13 v3
摘要
NEXT-100是一种具有电致发光放大功能的高压氙气时间投影室，设计在13.5 bar压力下运行，可容纳约70.5 kg的氙气。它是NEXT合作组为寻找Xe-136无中微子双β衰变（）而开发的最新探测器。在氙气探测器中，NEXT气体TPC技术在衰变Q值（ = 2458 keV）附近提供了最佳的能量分辨率，设计目标为<1% FWHM。我们在此报告了使用Th-228源对探测器进行的高能标定，展示了线性响应以及在Tl-208光峰（2615 keV）处% FWHM的能量分辨率。这一性能外推至双β衰变终点处的分辨率 = % FWHM，证实了探测器在搜索过程中进行精密能量测量的能力。
引用
@article{arxiv.2511.02467,
title = {Demonstration of Sub-Percent Energy Resolution in the NEXT-100 Detector},
author = {NEXT Collaboration and M. Pérez Maneiro and M. Martínez-Vara and S. Torelli and G. Martínez-Lema and P. Novella and J. A. Hernando Morata and J. J. Gómez-Cadenas and C. Adams and H. Almazán and V. Álvarez and A. I. Aranburu and L. Arazi and I. J. Arnquist and F. Auria-Luna and S. Ayet and Y. Ayyad and C. D. R. Azevedo and K. Bailey and F. Ballester and J. E. Barcelon and M. del Barrio-Torregrosa and A. Bayo and J. M. Benlloch-Rodríguez and F. I. G. M. Borges and A. Brodoline and N. Byrnes and A. Castillo and E. Church and L. Cid and M. Cid and X. Cid and C. A. N. Conde and C. Cortes-Parra and F. P. Cossío and R. Coupe and E. Dey and P. Dietz and C. Echeverria and M. Elorza and R. Esteve and R. Felkai and L. M. P. Fernandes and P. Ferrario and F. W. Foss and Z. Freixa and J. García-Barrena and J. W. R. Grocott and R. Guenette and J. Hauptman and C. A. O. Henriques and P. Herrero-Gómez and V. Herrero and C. Hervés Carrete and Y. Ifergan and A. F. B. Isabel and B. J. P. Jones and F. Kellerer and L. Larizgoitia and A. Larumbe and F. Lopez and N. López-March and R. Madigan and R. D. P. Mano and A. Marauri and A. P. Marques and J. Martín-Albo and A. Martínez and R. L. Miller and K. Mistry and J. Molina-Canteras and F. Monrabal and C. M. B. Monteiro and F. J. Mora and K. E. Navarro and D. R. Nygren and E. Oblak and J. Palacio and B. Palmeiro and I. Parmaksiz and A. Pazos and J. Pelegrin and M. Querol and J. Renner and I. Rivilla and C. Rogero and L. Rogers and B. Romeo and C. Romo-Luque and E. Ruiz-Chóliz and P. Saharia and F. P. Santos and J. M. F. dos Santos and M. Seemann and I. Shomroni and A. L. M. Silva and P. A. O. C. Silva and A. Simón and S. R. Soleti and M. Sorel and J. Soto-Oton and J. M. R. Teixeira and S. Teruel-Pardo and J. F. Toledo and C. Tonnelé and J. Torrent and A. Trettin and P. R. G. Valle and M. Vanga and P. Vázquez Cabaleiro and J. F. C. A. Veloso and J. D. Villamil and J. Waiton and A. Yubero-Navarro},
journal= {arXiv preprint arXiv:2511.02467},
year = {2026}
}