论文标题
简短\＆中级距离HVP对MUON G-2的贡献：SM（晶格）预测与$ E^+E^ - $ nihihilation Data
Short \& intermediate distance HVP contributions to muon g-2: SM (lattice) prediction versus $e^+e^-$ annihilation data
论文作者
论文摘要
We present new lattice results of the ETM Collaboration, obtained from extensive simulations of lattice QCD with dynamical up, down, strange and charm quarks at physical mass values, different volumes and lattice spacings, concerning the SM prediction for the so-called intermediate window (W) and short-distance (SD) contributions to the leading order hadronic vacuum polarization (LO-HVP) term of the muon anomalous磁矩，$a_μ$。 $a_μ^{\ rm lo-hvp，w} $和$a_μ^{\ rm lo-hvp，sd} $的结果，除了代表$a_μ^{\ rm lom-hvp} $的$a_μ^{\ rm lom-hvp} $的完整晶格计算外，与lattice unterpt in+e $ e $ e n of unterp e y of unterp e y of unterpt in y of unterpt in+e e y of the $ er e^exts unterparts $ er-e n of e^哈德子。该比较证实了$a_μ^{\ rm lo-hvp，w} $中的张力，该张力已由宝马协作（BMW Collaboration）在2020年指出，同时在$a_μ^{\ rm lo-hvp，sd} $中没有张力。
We present new lattice results of the ETM Collaboration, obtained from extensive simulations of lattice QCD with dynamical up, down, strange and charm quarks at physical mass values, different volumes and lattice spacings, concerning the SM prediction for the so-called intermediate window (W) and short-distance (SD) contributions to the leading order hadronic vacuum polarization (LO-HVP) term of the muon anomalous magnetic moment, $a_μ$. Results for $a_μ^{\rm LO-HVP,W}$ and $a_μ^{\rm LO-HVP,SD}$, besides representing a step forward to a complete lattice computation of $a_μ^{\rm LO-HVP}$ and a useful benchmark among lattice groups, are compared here with their dispersive counterparts based on experimental data for $e^+e^-$ into hadrons. The comparison confirms the tension in $a_μ^{\rm LO-HVP,W}$, already noted in 2020 by the BMW Collaboration, while showing no tension in $a_μ^{\rm LO-HVP,SD}$.
