Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comprehensive analysis of large $\alpha$ yields observed in $^{6}$Li
  induced reactions   Background: Large $\alpha$ yields have been reported over the years in
reactions with $^{6}$Li and $^{7}$Li projectiles. Previous theoretical analyses
have shown that the elastic breakup (EBU) mechanism (i.e., projectile breakup
leaving the target in its ground state) is able to account only for a small
fraction of the total $\alpha$ inclusive breakup cross sections, pointing
toward the dominance of non-elastic breakup (NEB) mechanisms.
  Purpose: We aim to provide a systematic study of the $\alpha$ inclusive cross
sections observed in nuclear reactions induced by $^{6}$Li projectiles. In
addition to estimating the total $\alpha$ singles cross sections, it is our
goal to evaluate angular and energy distributions of these $\alpha$ particles
and compare with experimental data, when available.
  Method: We compute separately the EBU and NEB components of the inclusive
breakup cross sections. For the former, we use the continuum-discretized
coupled-channels (CDCC) method, which treats this mechanism to all orders. For
the NEB part, we employ the the model proposed in the eighties by Ichimura,
Austern and Vincent [Phys. Rev. C32, 432 (1982)], within the DWBA
approximation.
  Results: Overall, the sum of the computed EBU and NEB cross sections is found
to reproduce very well the measured singles cross sections. In all cases
analyzed, we find that the inclusive breakup cross section is largely dominated
by the NEB component.
  Conclusions: The presented method provides a global and systematic
description of inclusive breakup reactions induced by $^{6}$Li projectiles. It
provides also a natural explanation of the previously observed underestimation
of the measured $\alpha$ yields by CDCC calculations. The method used here can
be extended to other weakly-bound projectiles, including halo nuclei.

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The categories of this paper are: hep-ex
30
The categories of this paper are: q-alg
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The categories of this paper are: stat
21
The categories of this paper are: adap-org
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The categories of this paper are: hep-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: dg-ga
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The categories of this paper are: acc-phys
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The categories of this paper are: chem-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: bayes-an
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The categories of this paper are: hep-th
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The categories of this paper are: atom-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: math
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The categories of this paper are: cs