基于ETMC数据的isoQCD中HVP对$g_{\mu}-2$贡献的最新进展
高能物理 - 格点
2026-03-04 v1 高能物理 - 唯象学
摘要
我们呈现了Extended Twisted Mass Collaboration(ETMC)对等静子QCD中μ负号磁矩异常值(hadronic vacuum polarisation,HVP)主导贡献确定性的最新进展。该计算基于五个规范配置,采用Wilson-套克质子在最大扭转且接近物理胶质数下生成,覆盖四个格子间距和两个体积。对于占主导地位的夸克相连贡献,我们采用两种不同的价值夸克正则化,并给出等核向量和等核标量分量的结果。
引用
@article{arxiv.2603.03120,
title = {An update on the HVP contribution to $g_{\mu}{-}2$ in isoQCD from ETMC},
author = {Simone Bacchio and Alessandro De Santis and Antonio Evangelista and Roberto Frezzotti and Giuseppe Gagliardi and Marco Garofalo and Lorenzo Maio and Francesca Margari and Ferenc Pittler and Simone Romiti},
journal= {arXiv preprint arXiv:2603.03120},
year = {2026}
}
备注
10 pages, 5 figures, Contribution to the 42nd International Symposium on Lattice Field Theory (Lattice2025), 2-8 November 2025, Tata Institute of Fundamental Research, Mumbai, India