Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Charge and Isospin Fluctuations in High Energy pp-Collisions   Charge and isospin event-by-event fluctuations in high-energy pp-collisions
are predicted within the Unitary Eikonal Model, in particular the fluctuation
patterns of the ratios of charged-to-charged and neutral-to-charged pions.
These fluctuations are found to be sensitive to the presence of unstable
resonances, such as $\rho $ and $\omega $ mesons. We predict that the
charge-fluctuation observable $D_{UEM}$ should be restricted to the interval
$8/3\le D_{UEM}\le 4$ depending on the $\rho /\pi $ production ratio. Also, the
isospin fluctuations of the DCC-type of the ratio of neutral-to-charged pions
are suppressed if pions are produced together with $\rho $ mesons.

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The categories of this paper are: math
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The categories of this paper are: hep-ex
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The categories of this paper are: physics
17
The categories of this paper are: q-fin
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The categories of this paper are: solv-int
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The categories of this paper are: acc-phys
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The categories of this paper are: math-ph
15
The categories of this paper are: nucl-ex
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The categories of this paper are: dg-ga
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The categories of this paper are: astro-ph
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The categories of this paper are: stat
31
The categories of this paper are: ao-sci
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The categories of this paper are: quant-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: bayes-an
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The categories of this paper are: q-alg