NEXT：用于无中微子双贝塔衰变搜索的高压气态氙时间投影室
高能物理 - 实验
2009-07-24 v1 核实验
仪器与探测器
摘要
我们提出了一种用于无中微子双贝塔衰变搜索的新型探测概念。该概念基于一个充满高压气态氙的时间投影室（TPC），并具有量热和径迹分离的功能。凭借其出色的能量分辨率，以及由独特的双贝塔衰变拓扑特征提供的强大本底抑制能力，本意向书中讨论的设计有望与现有下一代无中微子双贝塔衰变实验方案竞争，甚至可能超越它们。我们讨论了探测原理、设计规格、物理潜力以及建造一个包含 100 千克 fiducial 质量的双贝塔衰变发射同位素 Xe(136) 探测器的研发计划，该探测器将安装在坎弗兰克地下实验室。
引用
@article{arxiv.0907.4054,
title = {NEXT, a HPGXe TPC for neutrinoless double beta decay searches},
author = {The NEXT Collaboration and F. Granena and T. Lux and F. Nova and J. Rico and F. Sanchez and D. R. Nygren and J. A. S. Barata and F. I. G. M. Borges and C. A. N. Conde and T. H. V. T. Dias and L. M. P. Fernandes and E. D. C. Freitas and J. A. M. Lopes and C. M. B. Monteiro and J. M. F. dos Santos and F. P. Santos and L. M. N. Tavora and J. F. C. A. Veloso and E. Calvo and I. Gil-Botella and P. Novella and C. Palomares and A. Verdugo and I. Giomataris and E. Ferrer-Ribas and J. A. Hernando-Morata and D. Martinez and X. Cid and M. Ball and S. Carcel and A. Cervera and J. Diaz and A. Gil and J. J. Gomez-Cadenas and J. Martin-Albo and F. Monrabal and J. Munoz-Vidal and L. Serra and M. Sorel and N. Yahlali and R. Esteve Bosch and C. W. Lerche and J. D. Martinez and F. J. Mora and A. Sebastia and A. Tarazona and J. F. Toledo and M. Lazaro and J. L. Perez and L. Ripoll and J. M. Carmona and S. Cebrian and T. Dafni and J. Galan and H. Gomez and F. J. Iguaz and I. G. Irastorza and G. Luzon and J. Morales and A. Rodriguez and J. Ruz and A. Tomas and J. A. Villar},
journal= {arXiv preprint arXiv:0907.4054},
year = {2009}
}
备注
Letter of Intent to the LSC Scientific Committee 115 pages