..42.MeVMeVMeV18018MeVGeV1GeV1000MeVWZGF0.551MeV938.3MeV939.6MeV3MeV5MeV10MeV2%300MeV900MeV.106MeV1.78GeV125GeVWZ8091GeV.QT2MeV.01dx[u（x）u（x）]=2.0.888.11.4514GeV923.8GeV923.8GeV..117.4GeV132.6GeV.2019ATLAS173.12.1GeV300923.8GeV8000（）