V. S. Leonov
It is shown that a
relativistic particle has an upper limit of the mass and energy when it is
accelerated to the speed of light. Now we can calculate the limiting parameters
of the relativistic particles by the use of the normalized relativistic factor
in Einstein's relativistic equations. For example, the maximum mass of the
relativistic proton is a limited number of 1.1.1012 kg. The
state of the relativistic particle is described by a mass balance and an energy
balance. The energy balance includes the maximum energy of a relativistic
particle and her real energy and her hidden energy. The mass balance includes
the maximum mass of a relativistic particle and her real mass and her hidden
mass.
PACS numbers: 04.20.-q;
03.30.+p
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of the speed of light C defines the gravitational potentials balance 
inside of the four-dimensional space time
perturbed by gravity. The gravitational potentials balance describes the state
of an elementary particle inside the gravitational well. Newton's classical
gravitational potential φ indicates the depth of the gravitational well. The
action potential C2 indicates
the depth of the four-dimensional space-time. The introduction of the
potentials of С2 and 