对Z'玻色子质量和混合的限制
高能物理 - 唯象学
2015-05-14 v2
摘要
我们测试了多个模型，这些模型将标准模型(SM)规范群扩展了一个额外的U(1)规范对称性。我们利用现有的电弱精确数据，在95%置信水平上对所有此类模型预言的中性Z'玻色子质量M_Z'以及Z-Z'混合角theta_ZZ'施加了限制。在大多数情况下，我们发现M_Z'的下限约为1 TeV，而theta_ZZ'则被限制在非常小的值。
引用
@article{arxiv.0910.0269,
title = {Constraints on the mass and mixing of Z' bosons},
author = {J. Erler and P. Langacker and S. Munir and E. Rojas},
journal= {arXiv preprint arXiv:0910.0269},
year = {2015}
}
备注
Format fixed, 5 pages, 2 figures, Talk given at the 17th International Conference on Supersymmetry and the Unification of Fundamental Interactions (SUSY09), Boston, MA, USA, 5-10 June 2009, to be published in the conference proceedings (AIP)