The theory of the centrifugal mechanism of feeding-in in bent crystals

For any trajectory of a particle in a crystal a time-reversed trajectory is possible. The starting point of a trajectory becomes the final one, and vice versa. This leads to the idea of reversibility of the dechanneling processes [1]. In the depth of a crystal, besides the particles leaving the channeling mode (dechanneling or feeding out), there may be particles entering the channeling mode (respectively, feeding in, also known as volume capture). The mechanisms, responsible for these two opposite processes, are essentially the same. Two mechanisms changing the particle state in a crystal, namely the scattering and the centrifugal effects, are known (see references in Ref. [2]). ∗Electronic address: [email protected]