Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Chiral three-nucleon force at N^4LO I: Longest-range contributions   We derive the sub-subleading two-pion exchange contributions to the
three-nucleon force which appear at next-to-next-to-next-to-next-to-leading
order in chiral effective field theory. In order to determine the low-energy
constants, a complete analysis of pion-nucleon scattering at the
subleading-loop order in the heavy-baryon expansion is carried out utilizing
the power counting scheme employed in the derivation of the nuclear forces. We
discuss the convergence of the chiral expansion for this particular
three-nucleon force topology and give the values of the low-energy constants
which provide the most realistic description of the three-nucleon force when
the chiral expansion is truncated at next-to-next-to-leading order.

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The categories of this paper are: math
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
29
The categories of this paper are: funct-an
22
The categories of this paper are: chao-dyn
19
The categories of this paper are: eess
15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
35
The categories of this paper are: mtrl-th
30
The categories of this paper are: q-alg
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
21
The categories of this paper are: adap-org