来自中子电偶极矩对洛伦兹不变性破缺的新约束
核实验
2011-01-17 v1
摘要
我们提出了一项关于粒子自旋与电磁场相互作用中洛伦兹不变性的原创测试，并报告了使用超冷中子的首次测量。我们使用高灵敏度中子电偶极矩（nEDM）谱仪，搜索了nEDM信号的方向依赖性，该依赖性会导致其大小在12小时和24小时周期内出现调制。我们将这种调制约束为和（95%置信水平）。该结果转化为对这种类型洛伦兹破缺效应的能标限制，即 GeV。
引用
@article{arxiv.1006.4967,
title = {New constraints on Lorentz invariance violation from the neutron electric dipole moment},
author = {I. Altarev and C. A. Baker and G. Ban and K. Bodek and M. Daum and M. Fertl and B. Franke and P. Fierlinger and P. Geltenbort and K. Green and M. G. D. van der Grinten and P. G. Harris and R. Henneck and M. Horras and P. Iaydjiev and S. N. Ivanov and N. Khomutov and K. Kirch and S. Kistryn and A. Knecht and A. Kozela and F. Kuchler and B. Lauss and T. Lefort and Y. Lemière and A. Mtchedlishvili and O. Naviliat-Cuncic and J. M. Pendlebury and G. Petzoldt and E. Pierre and F. M. Piegsa and G. Pignol and G. Quéméner and D. Rebreyend and S. Roccia and P. Schmidt-Wellenburg and N. Severijns and D. Shiers and K. F. Smith and Yu. Sobolev and J. Zejma and J. Zenner and G. Zsigmond},
journal= {arXiv preprint arXiv:1006.4967},
year = {2011}
}
备注
Submitted to Phys. Rev. Lett