The new “MUON G-2” result and supersymmetry
The new “MUON G-2” result and supersymmetry
复制标题
新的“MUON G-2”结果和超对称性
DOI：
10.1140/epjc/s10052-021-09900-4
复制
发表时间：
2021
期刊：
影响因子：
--
通讯作者：
Ipsita Saha
中科院分区：
文献类型：
--
作者：
M. Chakraborti;S. Heinemeyer;Ipsita Saha
The electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM), with the lightest neutralino as Dark Matter (DM) candidate, can account for a variety of experimental data. This includes the DM content of the universe, DM direct detection limits, EW SUSY searches at the LHC and in particular the so far persistent 3-4σ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$3-4\,\sigma $$\end{document} discrepancy between the experimental result for the anomalous magnetic moment of the muon, (g-2)μ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$(g-2)_\mu $$\end{document}, and its Standard Model (SM) prediction. The recently published “MUON G-2” result is within 0.8σ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${0.8}\,\sigma $$\end{document} in agreement with the older BNL result on (g-2)μ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$(g-2)_\mu $$\end{document}. The combination of the two results was given as aμexp=(11659206.1±4.1)×10-10\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$a_\mu ^{\mathrm{exp}} = (11 659 {206.1}\pm {4.1}) \times 10^{-10}$$\end{document}, yielding a new deviation from the SM prediction of Δaμ=(25.1±5.9)×10-10\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\Delta a_\mu = ({25.1}\pm {5.9}) \times 10^{-10}$$\end{document}, corresponding to 4.2σ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${4.2}\,\sigma $$\end{document}. Using this improved bound we update the results presented in Chakraborti et al. (Eur Phys J C 80(10):984, 2020) and set new upper limits on the allowed parameters space of the EW sector of the MSSM. We find that with the new (g-2)μ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$(g-2)_\mu $$\end{document} result the upper limits on the (next-to-) lightest SUSY particle are in the same ballpark as previously, yielding updated upper limits on these masses of ∼750GeV\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\sim 750 \,\, \mathrm {GeV}$$\end{document}. In this way, a clear target is confirmed for future (HL-)LHC EW searches, as well as for future high-energy e+e-\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$e^+e^-$$\end{document} colliders, such as the ILC or CLIC.
The electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM), with the lightest neutralino as Dark Matter (DM) candidate, can account for a variety of experimental data. This includes the DM content of the universe, DM direct detection limits, EW SUSY searches at the LHC and in particular the so far persistent 3-4σ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$3-4\,\sigma $$\end{document} discrepancy between the experimental result for the anomalous magnetic moment of the muon, (g-2)μ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$(g-2)_\mu $$\end{document}, and its Standard Model (SM) prediction. The recently published “MUON G-2” result is within 0.8σ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${0.8}\,\sigma $$\end{document} in agreement with the older BNL result on (g-2)μ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$(g-2)_\mu $$\end{document}. The combination of the two results was given as aμexp=(11659206.1±4.1)×10-10\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$a_\mu ^{\mathrm{exp}} = (11 659 {206.1}\pm {4.1}) \times 10^{-10}$$\end{document}, yielding a new deviation from the SM prediction of Δaμ=(25.1±5.9)×10-10\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\Delta a_\mu = ({25.1}\pm {5.9}) \times 10^{-10}$$\end{document}, corresponding to 4.2σ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${4.2}\,\sigma $$\end{document}. Using this improved bound we update the results presented in Chakraborti et al. (Eur Phys J C 80(10):984, 2020) and set new upper limits on the allowed parameters space of the EW sector of the MSSM. We find that with the new (g-2)μ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$(g-2)_\mu $$\end{document} result the upper limits on the (next-to-) lightest SUSY particle are in the same ballpark as previously, yielding updated upper limits on these masses of ∼750GeV\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\sim 750 \,\, \mathrm {GeV}$$\end{document}. In this way, a clear target is confirmed for future (HL-)LHC EW searches, as well as for future high-energy e+e-\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$e^+e^-$$\end{document} colliders, such as the ILC or CLIC.
登录
查看更多内容
影响因子：
4.4
作者：
Kurz, Alexander;Liu, Tao;Steinhauser, Matthias
通讯作者：
Steinhauser, Matthias
CheckMATE：用 LHC 数据对抗您最喜欢的新物理模型
DOI：
10.1016/j.cpc.2014.10.018
发表时间：
2015
期刊：
Comput. Phys. Commun.
影响因子：
--
作者：
M. Drees;H. Dreiner;D. Schmeier;J. Tattersall;J. S. Kim
通讯作者：
J. S. Kim
DOI：
10.1140/epjc/s10052-015-3870-2
发表时间：
2015-10
期刊：
The European Physical Journal C
影响因子：
--
作者：
P. Athron;Markus Bach;H. Fargnoli;C. Gnendiger;R. Greifenhagen;Jae-hyeon Park;S. Paßehr;D. Stöckinger;H. Stöckinger-Kim;A. Voigt
通讯作者：
P. Athron;Markus Bach;H. Fargnoli;C. Gnendiger;R. Greifenhagen;Jae-hyeon Park;S. Paßehr;D. Stöckinger;H. Stöckinger-Kim;A. Voigt
影响因子：
64.8
作者：
Borsanyi, Sz.;Fodor, Z.;Varnhorst, L.
通讯作者：
Varnhorst, L.