Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Constraining the symmetry energy content of nuclear matter from nuclear
  masses: a covariance analysis   Elements of nuclear symmetry energy evaluated from different energy density
functionals parametrized by fitting selective bulk properties of few
representative nuclei are seen to vary widely. Those obtained from experimental
data on nuclear masses across the periodic table, however, show that they are
better constrained. A possible direction in reconciling this paradox may be
gleaned from comparison of results obtained from use of the binding energies in
the fitting protocol within a microscopic model with two sets of nuclei, one a
representative standard set and another where very highly asymmetric nuclei are
additionally included. A covariance analysis reveals that the additional
fitting protocol reduces the uncertainties in the nuclear symmetry energy
coefficient, its slope parameter as well as the neutron-skin thickness in
$^{208}$Pb nucleus by $\sim 50\%$. The central values of these entities are
also seen to be slightly reduced.

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The categories of this paper are: eess
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The categories of this paper are: alg-geom
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The categories of this paper are: funct-an
2
The categories of this paper are: math
0
The categories of this paper are: hep-ph
21
The categories of this paper are: adap-org
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The categories of this paper are: q-fin
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The categories of this paper are: hep-ex
7
The categories of this paper are: hep-th
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The categories of this paper are: cmp-lg
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The categories of this paper are: supr-con
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The categories of this paper are: solv-int
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The categories of this paper are: cond-mat
1
The categories of this paper are: cs
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The categories of this paper are: chem-ph
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The categories of this paper are: atom-ph