TABLE 2. Computed Enhancement/Quenching of the Emission Intensity in the x-y Plane, and the Enhancement/Quenching of the Total Power Radiated (Integrated around a Closed Surface Containing the System) by the Various Nanoparticle Systems Studied with the Dipoles Oriented Parallel to the Metal Surface (Along the y Axis)^a.

parallel dipole (along y-axis)	enhancement/quenching of emission intensity in the x-y plane	enhancement/quenching of total radiated power
20-nm Ag monomer, s = 2 nm	0.051	0.042
20-nm Ag monomer, s = 5 nm	0.200	0.180
20-nm Ag monomer, s = 10 nm	0.620	0.590
20-nm Ag dimer, s = 4 nm	0.240	0.280
20-nm Ag dimer, s = 10 nm	0.021	0.029
20-nm Ag dimer, s = 20 nm	0.333	0.280
40-nm Ag monomer, s = 2 nm	0.510	0.300
40-nm Ag monomer, s = 5 nm	0.110	0.058
40-nm Ag monomer, s = 10 nm	0.210	0.180
40-nm Ag dimer, s = 4 nm	0.220	0.240
40-nm Ag dimer, s = 10 nm	0.260	0.280
40-nm Ag dimer, s = 20 nm	0.025	0.029
80-nm Ag monomer, s = 2 nm	1.590	1.410
80-nm Ag monomer, s = 5 nm	1.210	0.860
80-nm Ag monomer, s = 10 nm	0.500	0.360
80-nm Ag dimer, s = 4 nm	0.210	0.244
80-nm Ag dimer, s = 10 nm	0.250	0.304
80-nm Ag dimer, s = 20 nm	0.180	0.248
100-nm Ag monomer, s = 2 nm	2.330	1.758
100-nm Ag monomer, s = 5 nm	1.780	1.275
100-nm Ag monomer, s = 10 nm	1.180	0.765
100-nm Ag dimer, s = 4 nm	0.093	0.137
100-nm Ag dimer, s = 10 nm	0.128	0.175
100-nm Ag dimer, s = 20 nm	0.143	0.203
140-nm Ag monomer, s = 2 nm	1.580	1.166
140-nm Ag monomer, s = 5 nm	1.240	0.904
140-nm Ag monomer, s = 10 nm	0.990	0.721
140-nm Ag dimer, s = 4 nm	0.018	0.031
140-nmAg dimer, s = 10 nm	0.023	0.042
140-nmAg dimer, s = 20 nm	0.032	0.066

^aThe enhancement or quenching of the total power radiated indicates changes in the relative radiative decay rates of the Ag-dipole syste when compared to the isolated dipole.