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Nonleptonic two-body charmed meson decays in an effective model for their semileptonic decays
High Energy Physics - Phenomenology · Submitted 3 Jun 1997
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The calculated decay widths are in good agreement with the experimental results.
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The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.
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The abstract, sentence by sentence
We analyze $D \to P V$, $D \to PP$ and $D \to VV$ decays within a model developed to describe the semileptonic decays $D \to V l \nu_l$ and $D\to P l \nu_l$. This model combines the heavy quark effective Lagrangian and chiral perturbation theory. We determine amplitudes for decays in which the direct weak annihilation of the initial $D$ meson is absent or negligible, and in which the final state interactions are small. This analysis reduces the arbitrariness in the choice of model parameters. The calculated decay widths are in good agreement with the experimental results.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We analyze $D \to P V$, $D \to PP$ and $D \to VV$ decays within a model developed to describe the semileptonic decays $D \to V l \nu_l$ and $D\to P l \nu_l$. | contribution 0.98 | 0.94 | 0.09 | asserted 0.98 |
| s1 | This model combines the heavy quark effective Lagrangian and chiral perturbation theory. | method 0.99 | 0.44 | 0.03 | asserted 1.00 |
| s2 | We determine amplitudes for decays in which the direct weak annihilation of the initial $D$ meson is absent or negligible, and in which the final state interactions are small. | contribution 0.46 | 0.94 | 0.09 | asserted 0.99 |
| s3 | This analysis reduces the arbitrariness in the choice of model parameters. | interpretation 0.49 | 0.84 | 0.10 | asserted 1.00 |
| s4 | The calculated decay widths are in good agreement with the experimental results. | result 0.97 | 0.92 | 0.66 | asserted 0.99 |
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The paper
Original abstract
We analyze $D \to P V$, $D \to PP$ and $D \to VV$ decays within a model developed to describe the semileptonic decays $D \to V l \nu_l$ and $D\to P l \nu_l$. This model combines the heavy quark effective Lagrangian and chiral perturbation theory. We determine amplitudes for decays in which the direct weak annihilation of the initial $D$ meson is absent or negligible, and in which the final state interactions are small. This analysis reduces the arbitrariness in the choice of model parameters. The calculated decay widths are in good agreement with the experimental results.
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References
How the literature uses it
2 arXiv papers cite this in 2 sentences
Papers citing it · 1 sentence without a confident label
Cites it as background 1 paper
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Early studies of $D →VV$ decays relied on naive factorization estimates [ref] , pole-dominance model [ref] , heavy quark effective Lagrangian combined with chiral perturbative theory [ref] , or model-independent symmetry based approaches, including flavor SU(3) symmetry [ref] and broken flavor SU(3) symmetry models [ref] .
Precise theoretical prediction on branching fractions and polarizations of $D \to V V$ decays · Introduction · 0.97
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