Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Determination of the pattern of nuclear binding from the data on the
  lepton-nucleus deep inelastic scattering   Nucleon structure function ratios r(x) = F2A(x)/F2D(x) measured in the range
of atomic masses A larger or equal 4 are analyzed with the aim to determine the
pattern of the x and A dependence of F2(x) modifications caused by nuclear
environment. It is found that the x and A dependence of the deviations of the
r(x) from unity can be factorized in the entire range of x. The characteristic
feature of the factorization is represented with the three cross-over points
x_i, i = 1 -- 3 in which r(x) = 1 independently of A. In the range x lager than
0.7 the pattern of r(x) is fixed with x_3 = 0.84 +/- 0.01.
  The pattern of the x dependence is compared with theoretical calculations of
Burov, Molochkov and Smirnov to demonstrate that evolution of the nucleon
structure as a function of A occurs in two steps, first for A less or equal 4
and second for A larger than 4. The long-standing problem of the origin of the
EMC effect is understood as the modification of the nucleon structure in the
field responsible for the binding forces in a three-nucleon system.

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The categories of this paper are: gr-qc
33
The categories of this paper are: plasm-ph
11
The categories of this paper are: hep-lat
32
The categories of this paper are: atom-ph
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The categories of this paper are: patt-sol
27
The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess
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The categories of this paper are: math-ph
17
The categories of this paper are: q-fin
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The categories of this paper are: physics
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The categories of this paper are: astro-ph
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The categories of this paper are: hep-th
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The categories of this paper are: cs
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The categories of this paper are: cond-mat