Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: {Coherent Dissociation $^{12}$C~$\rightarrow$~3$\alpha$ in Lead-Enriched
  Emulsion at 4.5 GeV/$c$~per Nucleon   The transverse-momentum distributions and correlation characteristics of
relativistic $\alpha$ particles from the coherent dissociation of a carbon
nucleus into three $\alpha$ particles at 4.5 GeV/$c$ are studied in
lead-enriched emulsion. Comparative analysis of data obtained in ordinary and
lead-enriched emulsion stacks is performed. It is shown that the statistical
model of rapid fragmentation does not describe the momentum and correlation
characteristics of a $\alpha$ particles in the rest frame of the carbon
nucleus. The estimated decay temperature of $^{12}$C is weakly dependent on the
target atomic mass. It is shown that the carbon nucleus undergoing
fragmentation acquires angular momentum in the collision.

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The categories of this paper are: dg-ga
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The categories of this paper are: bayes-an
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The categories of this paper are: chao-dyn
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The categories of this paper are: solv-int
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The categories of this paper are: econ
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The categories of this paper are: nucl-th
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The categories of this paper are: mtrl-th
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The categories of this paper are: hep-lat
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The categories of this paper are: astro-ph
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The categories of this paper are: q-fin
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The categories of this paper are: patt-sol
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The categories of this paper are: q-bio
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The categories of this paper are: ao-sci
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The categories of this paper are: physics
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The categories of this paper are: adap-org
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The categories of this paper are: plasm-ph