Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Light-nuclei production and search for the QCD critical point   We discuss the potential of light-nuclei measurement in heavy-ion collisions
at intermediate energies for the search of the hypothetical QCD critical
end-point. A previous proposal based on neutron density fluctuations has
brought appealing experimental evidences of a maximum in a ratio involving
tritons, protons and deuterons, ${\cal O}_{tpd}$. However these results are
difficult to reconcile with the state-of-the-art statistical thermal model
predictions. Based on the idea that the QCD critical point can lead to a
substantial attraction among nucleons, we propose new ratios involving $^4$He
in which the maximum would be more evident. We argue that the experimental
extraction is feasible by presenting actual measurements at low and high
collision energies. We also illustrate the possible behavior of these ratios at
intermediate energies applying the semiclassical method based on flucton paths
using preliminary STAR data for ${\cal O}_{tpd}$.

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The categories of this paper are: funct-an
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The categories of this paper are: atom-ph
11
The categories of this paper are: hep-lat
27
The categories of this paper are: comp-gas
2
The categories of this paper are: math
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
16
The categories of this paper are: stat
3
The categories of this paper are: physics
8
The categories of this paper are: hep-ex
5
The categories of this paper are: gr-qc
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org