Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Evidence of the Coulomb force effects in the cross sections of the
  deuteron-proton breakup at 130 MeV   High precision cross-section data of the deuteron-proton breakup reaction at
130 MeV deuteron energy are compared with the theoretical predictions obtained
with a coupled-channel extension of the CD Bonn potential with virtual
Delta-isobar excitation, without and with inclusion of the long-range Coulomb
force. The Coulomb effect is studied on the basis of the cross-section data
set, extended in this work to about 1500 data points by including breakup
geometries characterized by small polar angles of the two protons. The
experimental data clearly prefer predictions obtained with the Coulomb
interaction included. The strongest effects are observed in regions in which
the relative energy of the two protons is the smallest.

3
The categories of this paper are: physics
2
The categories of this paper are: math
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
6
The categories of this paper are: astro-ph
8
The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
25
The categories of this paper are: patt-sol
31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
17
The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph
10
The categories of this paper are: q-bio
20
The categories of this paper are: acc-phys
1
The categories of this paper are: cs
34
The categories of this paper are: chem-ph