Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Giant dipole resonance width and the universality of the Critical
  Temperature included Fluctuation Model   The universality of the Critical Temperature included Fluctuation Model
(CTFM) in explaining the evolution of the giant dipole resonance (GDR) width as
a function of angular momentum is examined in the light of recent experimental
data on $^{144}$Sm and $^{152}$Gd. We compare both the data sets with the
phenomenological formula based on the CTFM and the thermal shape fluctuation
model (pTSFM). The CTFM describes both the data sets reasonably well using the
actual ground state GDR width ($\Gamma_0$) values, whereas, the pTSFM describes
the $^{144}$Sm data well but is unable to explain the $^{152}$Gd data using a
single value of $\Gamma_0$ for two excitation energies. These interesting
results clearly indicate that the phenomenological CTFM can be used universally
to describe the evolution of the GDR width with both angular momentum and
temperature in the entire mass region. Moreover, it should provide new insights
into the modification of the TSFM.

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The categories of this paper are: mtrl-th
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The categories of this paper are: stat
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The categories of this paper are: funct-an
14
The categories of this paper are: math-ph
4
The categories of this paper are: cond-mat
8
The categories of this paper are: hep-ex
34
The categories of this paper are: chem-ph
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The categories of this paper are: solv-int
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The categories of this paper are: alg-geom
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The categories of this paper are: supr-con
5
The categories of this paper are: gr-qc
18
The categories of this paper are: econ
9
The categories of this paper are: nlin
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The categories of this paper are: comp-gas
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The categories of this paper are: bayes-an
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The categories of this paper are: adap-org