Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Goodness of Isospin in Neutron Rich Systems from the Fission Fragment
  Distribution   We present the results of our calculations for the relative yields of
neutron-rich fission fragments emitted in $^{208}$Pb ($^{18}$O, fission)
reaction by using the concept of the conservation of isospin and compare with
the experimental data. We take into account a range of isospin values allowed
by the isospin algebra and assume that the fission fragments are formed in
Isobaric Analog States. We also take into account the neutron multiplicity data
for various neutron-emission channels in each partition, and use them to obtain
the weight factors in calculating the yields. We then calculate the relative
yields of the fission fragments. Our calculated results are able to reproduce
the experimental trends reasonably well. This is the first direct evidence of
the isospin conservation in neutron-rich systems and may prove a very useful
tool in their studies.

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The categories of this paper are: ao-sci
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The categories of this paper are: econ
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The categories of this paper are: eess
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The categories of this paper are: acc-phys
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The categories of this paper are: physics
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The categories of this paper are: cond-mat
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The categories of this paper are: quant-ph
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The categories of this paper are: hep-ph
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The categories of this paper are: supr-con
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The categories of this paper are: cmp-lg
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The categories of this paper are: math-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-ex
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The categories of this paper are: mtrl-th
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The categories of this paper are: gr-qc
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The categories of this paper are: cs