A New Experimental Approach to Probe QCD Axion Dark Matter in the Mass Range above 40μev\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \Setlength{\oddsidemargin}{-69Pt}