Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Symmetries of higher-spin fields and the electromagnetic N-N(1680) form
  factors   We study the Q^2-evolution of the form factors (FFs) for the
nucleon-to-N(1680) transition in the framework of an effective field theory. To
this end, the intrinsic symmetries of the spin-5/2 Rarita-Schwinger (RS) fields
are analyzed, and a Lagrangian of the electromagnetic N-N(1680) interactions is
constructed. The Lagrangian preserves all the intrinsic symmetries of the
spin-5/2 field--point and gauge invariance--and does not involve lower-spin
components of the reducible RS field. Besides, the symmetries postulate the
definitions of the Lagrangian FFs. These FFs are modeled as dispersionlike
expansions in a vector-meson--dominance model. A good agreement with the
experimental data is achieved.

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The categories of this paper are: econ
25
The categories of this paper are: patt-sol
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The categories of this paper are: dg-ga
16
The categories of this paper are: stat
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
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The categories of this paper are: quant-ph
37
The categories of this paper are: supr-con
29
The categories of this paper are: funct-an
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The categories of this paper are: nucl-th
2
The categories of this paper are: math
14
The categories of this paper are: math-ph
31
The categories of this paper are: ao-sci
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The categories of this paper are: astro-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: solv-int