| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| center of mass frame | 1.18 | 0.2 | 3791 | 98 | 20 |
| center | 1.54 | 0.1 | 9434 | 29 | 6 |
| of | 0.12 | 0.1 | 1332 | 80 | 2 |
| mass | 1.24 | 0.5 | 1824 | 39 | 4 |
| frame | 0.7 | 0.4 | 8428 | 27 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| center of mass frame | 1.8 | 0.2 | 9989 | 93 |
| center of mass frame of reference | 0.98 | 0.6 | 4645 | 94 |
| center of mass frame to lab frame | 0.14 | 0.3 | 3923 | 30 |
| kinetic energy in center of mass frame | 0.06 | 0.2 | 5122 | 36 |
| lab frame and center of mass frame | 1.06 | 0.9 | 7988 | 36 |
| mandelstam variables in center of mass frame | 1.03 | 0.8 | 7625 | 39 |
| relativistic center of mass frame | 1.84 | 0.8 | 3584 | 53 |
| lab frame vs center of mass frame | 0.86 | 0.4 | 9623 | 17 |
| inelastic collision center of mass frame | 0.2 | 0.2 | 4859 | 15 |
| center of mass and laboratory frame | 0.05 | 0.2 | 7130 | 31 |
