  Our investigation of high energy $\rm{pp}$ and $\bar{\rm{p}}\rm{p}$ elastic
scattering over the last two decades has led us to consider that the proton has
three regions: i) an outer region consisting of a quark-antiquark
($\rm{q}\bar{\rm{q}}$) condensate ground state (also described as
quark-antiquark outer cloud), ii) an inner shell of baryonic charge of size
~0.44 fm, and iii) a core of size ~0.2 fm, where the three valence quarks of a
proton with baryonic charges are confined. The proton structure that has
emerged leads to four main elastic scattering processes in $\rm{pp}$
scattering. The first process, which gives rise to diffraction scattering, is
due to a glancing collision of the outer cloud of one proton with that of
another proton. In a $\bar{\rm{p}}\rm{p}$ glancing collision the corresponding
process occurs. The second process involves multiple \omega-exchanges. The
third process in $\rm{pp}$ scattering is quark-quark scattering via gluon-gluon
interaction. The fourth process - which appears for the first time in our
investigation of $\rm{pp}$ scattering - is a glancing collision at the boundary
of a proton cloud with that of the other proton cloud. To describe
quantitatively the four processes, their parameters have been determined. For
this purpose, we investigated $\rm{pp}$ 7 TeV d\sigma/dt measured by the TOTEM
Collaboration and $\bar{\rm{p}}\rm{p}$ 1.96 TeV d\sigma/dt measured by the D0
Collaboration.
  Our calculated $\rm{pp}$ elastic d\sigma/dt at 13 TeV has no oscillations in
the large |t| region, in good agreement with the preliminary TOTEM
measurements.
