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Spectrum characteristics of secondary particles emitted from AuNPs located at different depths, with the same number of incident photons.
| Depth (cm) | Number of Particles Scored | Emean (KeV) | Emedian (KeV) | E < 100 keV (%) |
|---|---|---|---|---|
| 2.5 | 110,674 | 22.04 | 1.14 | 96.76 |
| 10 | 119,188 | 22.13 | 1.30 | 96.98 |
| 20 | 124,832 | 21.63 | 1.24 | 97.23 |
| 30 | 130,168 | 21.40 | 1.12 | 97.47 |
