| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| electron beam vs photon beam | 0.43 | 0.9 | 2883 | 60 |
| proton beam therapy vs photon beam | 1.8 | 0.9 | 1476 | 31 |
| beam of electron and proton | 1.52 | 0.5 | 318 | 1 |
| what are photon beams | 0.34 | 0.2 | 2977 | 99 |
| proton beam vs external beam radiation | 1.81 | 0.4 | 9496 | 37 |
| what is beam of electron | 0.95 | 1 | 2961 | 87 |
| proton vs photon beam therapy | 1.15 | 0.8 | 3304 | 11 |
| photon vs electron size | 0.58 | 1 | 1069 | 88 |
| difference between electron and photon | 0.37 | 0.1 | 7409 | 48 |
| electron vs photon speed | 0.64 | 0.2 | 8701 | 97 |
| is a photon bigger than an electron | 1.57 | 0.5 | 7355 | 78 |
| wavelength of electron vs photon | 0.83 | 0.7 | 8185 | 92 |
| is a photon smaller than an electron | 1.91 | 0.3 | 2682 | 89 |
