relativistic factor, HIGHLY restrictive conditions!!!
- RFp = RFo, particle is at origin (both reference frames)
- t=0
- Rocs(POIo) = Rpcs(POIo(t),t=0) (careful! ...)
- This does NOT apply to :
- a particle moving towards the origin of [RFo, RFp] (only motion away from origin)
- motions perpendicular to path of particle
- rotations
- ?nyet??? or a POIo moving in the direction of flight of the particle, so
- cos(Aθpc(POIo(t),t)) = 1
- sin(Aθpc(POIo(t),t)) = 0
As K1(t=0) = 0, and ∂[∂(t): K1(Aθpc(POIo(t),t=0) = 0) then no K1-related terms are passed on, it can be ignored
in [steps, iterations] subsequent to (4-33).
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