Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Higher Spin String States Scattered from D-particle in the Regge Regime
  and Factorized Ratios of Fixed Angle Scatterings   We study scattering of higher spin closed string states at arbitrary mass
levels from D-particle in the Regge regime. We extract the infinite ratios
among high-energy amplitudes of different string states in the fixed angle
regime from these Regge string scattering amplitudes. In this calculation, we
have used an identity proved recently based on a signless Stirling number
identity in combinatorial theory. The complete ratios calculated by this
indirect method include a subset of ratios calculated previously by direct
fixed angle calculation. Moreover, we discover that in spite of the
non-factorizability of the closed string D-particle scattering amplitudes, the
complete ratios derived for the fixed angle regime are found to be factorized.
These ratios are consistent with the decoupling of high-energy zero norm states
calculated previously.

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The categories of this paper are: atom-ph
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The categories of this paper are: cs
4
The categories of this paper are: cond-mat
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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: dg-ga
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The categories of this paper are: q-alg
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The categories of this paper are: astro-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: q-fin
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The categories of this paper are: cmp-lg
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The categories of this paper are: mtrl-th
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The categories of this paper are: nlin
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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: hep-lat