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Box Anomaly and $\eta' \to \pi ^+ \pi ^- \gamma$ Decay

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A.V. Kisselev, V.A. Petrov

High Energy Physics - Phenomenology · Submitted 20 Mar 1998

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim In the framework of the "current scheme" of $\eta - \eta'$ mixing we calculate the amplitude of the decay $\eta' \to \pi ^+ \pi ^- \gamma $ in the soft limit and compare our results with recently reported values of the phenomenological additive terms to the $\rho $--meson background.

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arXiv IDhep-ph/9803411 (version 1)
Pith IDI4H6IJO7, Pith's permanent record of this paper and its review
CitationA.V. Kisselev, V.A. Petrov. "Box Anomaly and $\eta' \to \pi ^+ \pi ^- \gamma$ Decay." arXiv:hep-ph/9803411 (1998). https://pith.science/paper/I4H6IJO7
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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 1,729 input tokens, $0.0001 reported.

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.32 · human participants 0.01 · controlled comparison 0.14 · randomized assignment 0.01 · states quantitative result 0.07 · compares with prior results 0.97 · mentions code or data availability 0.02.

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arXiv listing abstract v1. Results and the main claim are underlined; .

In the framework of the "current scheme" of $\eta - \eta'$ mixing we calculate the amplitude of the decay $\eta' \to \pi ^+ \pi ^- \gamma $ in the soft limit and compare our results with recently reported values of the phenomenological additive terms to the $\rho $--meson background.

background contribution method result interpretation main claim

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#sentencerolethe authors' own workstates the main conclusionstrength
s0 In the framework of the "current scheme" of $\eta - \eta'$ mixing we calculate the amplitude of the decay $\eta' \to \pi ^+ \pi ^- \gamma $ in the soft limit and compare our results with recently reported values of the phenomenological additive terms to the $\rho $--meson background. contribution 0.91 0.91 0.21 asserted 0.91

What kind of paper the classifier reports this is: theoretical result 1.00 · evidence from proof or derivation 0.90.

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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

In the framework of the "current scheme" of $\eta - \eta'$ mixing we calculate the amplitude of the decay $\eta' \to \pi ^+ \pi ^- \gamma $ in the soft limit and compare our results with recently reported values of the phenomenological additive terms to the $\rho $--meson background.

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