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Particles whichever they be are no longer
thought of as point-like objects, they were
since long time, widely detected,pictured and
measured. Stable particles and its counterparts
the antiparticles can be seen in principle and for
the sake of simplicity, as spherical and possessing
a whole continuous interfacial limiting contact
with the Electromagnetic Field.
must be considered as a
standard of the EM field together with a length
which we can define
arbitrarily, as the least
trajectory a wave or particle can traverse through
the EM field in any direction for it has not specific
As we assume that the mass is a function of the
particle´s area, and as we possess two well known
electron values,namely mass and charge besides
the so-called classical electron radius ....................
but taking no account,for instance,of precise data,
we can obtain a value for eq  where Se is the
electron´s area and Eq must be thought of as the
energy per square centimeter that can host the EM
field; Eq = 5.120995894 10²³ Mev/cm².
Thus we define  = 8.075907664 exp-45 cm²
as the minimum area possible in the EM field
and  = 8.986605401 10-²³ cm as the minimum
displacement any EM field related phenomenon can
perform. Then  = 4.135668991 10-²¹ Mev is the
smallest particle that can be hosted in EM field;
that is our well known Planck's constant.
Now we can evaluate the spherical proton's area
 Sp = 1.832181248 10-²¹ cm²,and its radius
 rp = 1.207478161 10-¹¹ cm.
In [5b] we can leave out the 1st term of the
binomial expression who contains no significant data,
thus it becomes . Its negative result does not
mean -in principle- it were an antiparticle.
And so the maximum diameter that an oblate
proton can perform at the minimum thickness value
of  would be  d'p = 3.415263985 10-¹¹ cm.
The maximum length that a prolate proton might
achieve is  l'p = 5.096978131 cm.
Speculations done with proton can obviously easily
be applied to electron:
by  Se = 9.9786078830 exp-25 cm².
by  d'e = 7.9703068190 10-¹³ cm.
by  l'e = 0.0027759669630 cm.
The value issued from  validates the electron
classical radius one, thus we must consider that the
rapport between the electron´s wavelength and its
radius is also valid.
Values from  represents the minimal computable
path a particle can travel, moreover represents the
minimal distance between detached particles; that is
closely in agreement with the value ~
from the Heisenberg uncertainty principle.
Also comparable are the value of  and the
p ~10²² Mev ...........................
which is considered a transient value between the
gravitational and coulombian effect phenomenas.
So its value (Eq) represents the biggest particle
that might be hosted in EM field;
Its surface will be from  Sq = 1 cm².
Its radius as taken from  rq = 0.282094791 cm.
formulae - references - comments
hint: EM field stands for the static and unexcited
exp stands for 10's powers.
See Weisskopf Rev. of Mod. Physics
Vol 21, april 1949, pp 305
Salam gives 10²³ Mev.