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Model Independent Analysis of the Forward-Backward Asymmetry for the $B\to K_{1}\mu^{+}\mu^{-}$ Decay
High Energy Physics - Phenomenology · Submitted 20 Feb 2010
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Our analysis shows that the zero position of the forward backward asymmetry is very sensitive to the sign and size of the Wilson coefficients corresponding to the new vector type interactions, which are the counter partners of the usual Standard Model operators but have opposite chirality.
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The abstract, sentence by sentence
The sensitivity of the zero position of the forward backward asymmetry $\mathcal{A}_{FB}$ for the exclusive $B\rightarrow K_{1}(1270)\mu^{+}\mu^{-}$ decay is examined by using most general non-standard 4-fermion interactions. Our analysis shows that the zero position of the forward backward asymmetry is very sensitive to the sign and size of the Wilson coefficients corresponding to the new vector type interactions, which are the counter partners of the usual Standard Model operators but have opposite chirality. In addition to these, the other significant effect comes from the interference of Scalar-Pseudoscalar and Tensor type operators. These results will not only enhance our theoretical understanding about the axial vector mesons but will also serve as a good tool to look for physics beyond the SM.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The sensitivity of the zero position of the forward backward asymmetry $\mathcal{A}_{FB}$ for the exclusive $B\rightarrow K_{1}(1270)\mu^{+}\mu^{-}$ decay is examined by using most general non-standard 4-fermion interactions. | contribution 1.00 | 0.79 | 0.07 | asserted 0.90 |
| s1 | Our analysis shows that the zero position of the forward backward asymmetry is very sensitive to the sign and size of the Wilson coefficients corresponding to the new vector type interactions, which are the counter partners of the usual Standard Model operators but have opposite chirality. | result 0.99 | 0.94 | 0.61 | asserted 1.00 |
| s2 | In addition to these, the other significant effect comes from the interference of Scalar-Pseudoscalar and Tensor type operators. | result 1.00 | 0.79 | 0.10 | asserted 1.00 |
| s3 | These results will not only enhance our theoretical understanding about the axial vector mesons but will also serve as a good tool to look for physics beyond the SM. | interpretation 0.97 | 0.21 | 0.25 | asserted 0.54 |
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The paper
Original abstract
The sensitivity of the zero position of the forward backward asymmetry $\mathcal{A}_{FB}$ for the exclusive $B\rightarrow K_{1}(1270)\mu^{+}\mu^{-}$ decay is examined by using most general non-standard 4-fermion interactions. Our analysis shows that the zero position of the forward backward asymmetry is very sensitive to the sign and size of the Wilson coefficients corresponding to the new vector type interactions, which are the counter partners of the usual Standard Model operators but have opposite chirality. In addition to these, the other significant effect comes from the interference of Scalar-Pseudoscalar and Tensor type operators. These results will not only enhance our theoretical understanding about the axial vector mesons but will also serve as a good tool to look for physics beyond the SM.
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How the literature uses it
2 arXiv papers cite this in 2 sentences
Papers citing it · 1 sentence without a confident label
Uses its data or values 1 paper
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In addition, for the resonances $J/ψ$ and $ψ^'$ are taken to be $κ= 1.65$ and $κ= 2.36$, respectively [ref] .
Analysis of Forward-Backward and Lepton Polarization Asymmetries in $B\to K_{1}\ell^{+}\ell^{-}$ Decays in the Two-Higgs-doublet Model · Theoretical Framework · 0.99
What it cites · 10 sentences without a confident label
Uses data or values from 1 paper
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Keeping in view that there is no experimental data on $B→K_1(1270)l^+l^-$, we have fixed the values of the phenomenological parameters $κ_i$ from $B→K^∗l^+l^-$, which for the resonances $J/Ψ$ and $Ψ^^'$ are taken to be $κ=1.65$ and $κ=2.36$, respectively [ref] .
A Comparative Study of the Decays $B \to (K,K^*) \ell^+ \ell^-$ in Standard Model and Supersymmetric Theories · Effective Hamiltonian and Matrix Elements · 1.00
Cites as background 8 papers
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The semileptonic $B$ meson decays, $B→(K,K^∗)l^+l^-$ ($l=e,μ,τ$) are widely studied in the literature [ref] where different physical observables like decay rate, lepton forward-backward asymmetry and lepton polarizations are calculated both in SM and beyond.
General analysis of lepton polarizations in rare B -> K^* l^+ l^- decay beyond the standard model · Introduction · 0.98
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Some of the radiative and semileptonic decays of $B$ mesons to vector and axial vector mesons, such as $B →K^∗γ$ [ref] , $B →K_1(1270, 1400) γ$ [ref] and $B →K^∗(892)e^+e^- (μ^+μ^-)$ [ref] have been observed and for $B →K^∗(892)e^+e^- (μ^+μ^-)$ the measurement of isospin and forward-backward asymmetry at BABAR is also reported [ref] .
Measurement of the B --> K^* gamma Branching Fractions and Asymmetries · Introduction · 0.89
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Some of the radiative and semileptonic decays of $B$ mesons to vector and axial vector mesons, such as $B →K^∗γ$ [ref] , $B →K_1(1270, 1400) γ$ [ref] and $B →K^∗(892)e^+e^- (μ^+μ^-)$ [ref] have been observed and for $B →K^∗(892)e^+e^- (μ^+μ^-)$ the measurement of isospin and forward-backward asymmetry at BABAR is also reported [ref] .
Measurement of Branching Fractions, and CP and Isospin Asymmetries, for $B \to K^* \gamma$ · Introduction · 0.89
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