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Spin asymmetry in single pion production induced by weak interactions of neutrinos with polarized nucleons
High Energy Physics - Phenomenology · Submitted 10 Feb 2019
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim It is shown, in several examples, that information about the SPP dynamics coming from the spin asymmetry is complementary to information obtained from measurements of spin averaged cross section.
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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
The single pion production (SPP) in the charged-current neutrino (antineutrino) scattering off the polarized nucleon is discussed. The spin asymmetry is predicted within two approaches. The spin polarizations of the target nucleon that are longitudinal and perpendicular to the neutrino momentum are considered. It is shown, in several examples, that information about the SPP dynamics coming from the spin asymmetry is complementary to information obtained from measurements of spin averaged cross section. Indeed, the spin asymmetry is sensitive to the nonresonance background description of the SPP model. For the normal polarization of the target, the spin asymmetry is given by the interference between the resonance and the nonresonance contributions.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The single pion production (SPP) in the charged-current neutrino (antineutrino) scattering off the polarized nucleon is discussed. | contribution 0.55 | 0.39 | 0.04 | asserted 0.78 |
| s1 | The spin asymmetry is predicted within two approaches. | contribution 0.58 | 0.81 | 0.07 | asserted 0.96 |
| s2 | The spin polarizations of the target nucleon that are longitudinal and perpendicular to the neutrino momentum are considered. | method 0.67 | 0.56 | 0.04 | asserted 0.91 |
| s3 | It is shown, in several examples, that information about the SPP dynamics coming from the spin asymmetry is complementary to information obtained from measurements of spin averaged cross section. | interpretation 0.54 | 0.80 | 0.60 | asserted 1.00 |
| s4 | Indeed, the spin asymmetry is sensitive to the nonresonance background description of the SPP model. | result 0.79 | 0.77 | 0.19 | asserted 1.00 |
| s5 | For the normal polarization of the target, the spin asymmetry is given by the interference between the resonance and the nonresonance contributions. | result 0.75 | 0.74 | 0.16 | asserted 1.00 |
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The paper
Original abstract
The single pion production (SPP) in the charged-current neutrino (antineutrino) scattering off the polarized nucleon is discussed. The spin asymmetry is predicted within two approaches. The spin polarizations of the target nucleon that are longitudinal and perpendicular to the neutrino momentum are considered. It is shown, in several examples, that information about the SPP dynamics coming from the spin asymmetry is complementary to information obtained from measurements of spin averaged cross section. Indeed, the spin asymmetry is sensitive to the nonresonance background description of the SPP model. For the normal polarization of the target, the spin asymmetry is given by the interference between the resonance and the nonresonance contributions.
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How the literature uses it
2 arXiv papers cite this in 6 sentences
Papers citing it · 5 sentences without a confident label
Cites it as background 1 paper
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Later, The polarization observables have been considered for the CC QE (quasielastic), CC SPP and deep inelastic $ν𝒩$ scattering [ref] as well as for CC QE $ν_τ$-nucleus scattering [ref] .
Neutral current neutrino and antineutrino scattering off the polarized nucleon · Introduction · 0.91
What it cites · 3 sentences without a confident label
Uses the method or tool of 3 papers
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To achieve this goal, similarly as in our previous work [ref] , in order to perform the calculations, two SPP approaches are considered: the model by Hernandez, Nieves, and Valverde (HNV), as described in [ref] , and the model by Fogli and Nardulli (FN), as given in [ref] .
Weak Pion Production off the Nucleon · Numerical implementation · 0.95
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To achieve this goal, similarly as in our previous work [ref] , in order to perform the calculations, two SPP approaches are considered: the model by Hernandez, Nieves, and Valverde (HNV), as described in [ref] , and the model by Fogli and Nardulli (FN), as given in [ref] .
Polarization Transfer in Weak Pion Production off the Nucleon · Numerical implementation · 0.95
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The scattering amplitudes and cross sections have been calculated using symbolic programming language FORM [ref] .
New features of FORM · Acknowledgments · 1.00
Uses data or values from 1 paper
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The sinusoidal character is maintained also when the asymmetry is calculated for the flux averaged cross sections, as it is illustrated in Fig. [ref], where the $ϕ$-dependence of [equation] calculated for the energy spectrum, $Φ$, of the T2K experiment [ref] is plotted.
The T2K Neutrino Flux Prediction · Spin asymmetry for perpendicularly polarized target · 0.89
Cites as background 30 papers
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This topic has been studied theoretically [ref] and experimentally [ref] for the last 50 years.
Form Factors in the Quark Resonance Model · Introduction · 1.00
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This topic has been studied theoretically [ref] and experimentally [ref] for the last 50 years.
Measurement of single charged pion production in the charged-current interactions of neutrinos in a 1.3 GeV wide band beam · Introduction · 1.00
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This topic has been studied theoretically [ref] and experimentally [ref] for the last 50 years.
Electron- and neutrino-nucleus scattering from the quasielastic to the resonance region · Introduction · 1.00
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