High Energy Physics - Experiment · arXiv:1207.1769 v3 · submitted 7 Jul 2012
Measurement of the semileptonic charge asymmetry using Bs^0 -> D_s mu X decays
The paper says
“A fit to the difference between the time-integrated D_s^-$ and D_s^+ mass distributions of the B_s^0 and barB^0_s candidates yields the flavor-specific asymmetry a^s_ls = [-1.12 pm 0.74 (stat) +/-0.17 (syst)]% which is the most precise measurement and in agreement with the standard model prediction.”
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Abstract
We present a measurement of the time-integrated flavor-specific semileptonic charge asymmetry in the decays of Bs mesons that have undergone flavor mixing, a^s_ls, using B_s^0 (barB_s^0) -> D_s^-/+ mu^+/- X decays, with D_s^-/+ -> phi pi^-/+ and phi K^+ K^-, using 10.4 fb^-1 of proton-antiproton collisions collected by the D0 detector during Run II at the Fermilab Tevatron Collider. A fit to the difference between the time-integrated D_s^-$ and D_s^+ mass distributions of the B_s^0 and barB^0_s candidates yields the flavor-specific asymmetry a^s_ls = [-1.12 pm 0.74 (stat) +/-0.17 (syst)]% which is the most precise measurement and in agreement with the standard model prediction.
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abstract compiled · 2026-09-23 · no language-model review
How the main claim is stated: asserted 1.00
What the abstract itself states, as probabilities: claims first 0.06 · states limitation 0.15 · human participants 0.02 · controlled comparison 0.09 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.65 · mentions code or data availability 0.02
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| Sentence | Role | The authors' own work | States the main conclusion | Strength |
|---|---|---|---|---|
| We present a measurement of the time-integrated flavor-specific semileptonic charge asymmetry in the decays of Bs mesons that have undergone flavor mixing, a^s_ls, using B_s^0 (barB_s^0) -> D_s^-/+ mu^+/- X decays, with D_s^-/+ -> phi pi^-/+ and phi K^+ K^-, using 10.4 fb^-1 of proton-antiproton collisions collected by the D0 detector during Run II at the Fermilab Tevatron Collider. | contribution 0.87 | 0.95 | 0.05 | asserted 1.00 |
| A fit to the difference between the time-integrated D_s^-$ and D_s^+ mass distributions of the B_s^0 and barB^0_s candidates yields the flavor-specific asymmetry a^s_ls = [-1.12 pm 0.74 (stat) +/-0.17 (syst)]% which is the most precise measurement and in agreement with the standard model prediction. | result 1.00 | 0.97 | 0.94 | asserted 1.00 |
What kind of paper the classifier reports this is: empirical study 1.00 · evidence from observation or experiment 0.70
What was examined, and what was not
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- arXiv listing abstract v3
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- references and citing sentences
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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 2,679 input tokens, $0.0001 reported.
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Cited by 10 Pith papers
Reviewed papers on Pith that cite this one. The full citation record
- New physics effects in tree-level decays hep-ph · Dec 2014
- On new physics in $\Delta \Gamma_d$ hep-ph · Apr 2014
- Measurement of the flavour-specific CP-violating asymmetry $a_{\rm sl}^s$ in $B_s^0$ decays hep-ex · Aug 2013
- Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2021 hep-ex · Jun 2022
- Implications of LHCb measurements and future prospects hep-ex · Aug 2012
- CP Violation in Beauty Baryon Decays hep-ph · Nov 2026
- Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2018 hep-ex · Sep 2019
- Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of summer 2016 hep-ex · Dec 2016
- Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of summer 2014 hep-ex · Dec 2014
- Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2023 hep-ex · Nov 2024
How the literature uses it
24 arXiv papers cite this in 28 sentences
Papers citing it · 17 sentences without a confident label
Uses its data or values 9 papers
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The values of $A^s_sl$ in the first and second row of Table [ref] are obtained by DØ [ref] and LHCb [ref] collaborations, respectively, by measuring the time-integrated charge asymmetry of untagged $B_s →D_s μ X$ decays.
Decoherence free Bd and Bs meson systems · Decoherence parameter $ζ_s$ for $B_s$ system · 1.00
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On the other hand, recent measurements of CP violation in wrong sign semileptonic $B_s$ decays from the LHCb and DØ collaborations [ref] a^s_sl=(-1.08±0.72±0.17)% [DØ] , a^s_sl=(-0.24±0.54±0.33)% [LHCb] ,
On the origin of the D0 like-sign dimuon charge asymmetry · Introduction · 0.82
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Recently, the DØ Collaboration directly measured $a^s_fs = (-1.08 ±0.72 (stat) ±0.17 (syst))×10^-2$ [ref] which is also consistent with the SM expectation.
B decay anomalies in an effective theory · The like-sign dimuon asymmetry · 0.93
Compares with it 2 papers
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The results are consistent with the independent 0̣ measurements [ref] of $a^d_sl$ and $a^s_sl$ described above, and the combination of all 0̣ results are also shown in Fig. [ref](b).
Review of Physics Results from the Tevatron: Heavy Flavor Physics · CP violation in $B$ mixing · 0.95
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Figure [ref] displays an overview of the most precise measurements of and [ref] .
Measurement of the $CP$ asymmetry in $B_s^0-\overline{B}{}_s^0$ mixing · Introduction · 0.84
What it cites · 3 sentences without a confident label
Uses the method or tool of 1 paper
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These corrections are described in detail in Ref. [ref] .
Measurement of the semileptonic charge asymmetry in B0 meson mixing with the D0 detector · Introduction · 0.94
Uses data or values from 3 papers
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To correct for these differences, a correction is applied to all non-prompt events in simulation, based on the generated lifetime of the $B$ candidate, to give the appropriate world-average $B$ meson lifetimes and measured value of the width difference $ΔΓ_s$ [ref] .
Determination of the sign of the decay width difference in the B_s system · Introduction · 0.92
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The value of the SM prediction for $= (1.9 ±0.3) ×10^-5$ [ref] is negligible compared with current experimental precision.
Numerical updates of lifetimes and mixing parameters of B mesons · Introduction · 0.92
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To estimate the effects of trigger selection and track reconstruction, we weight each event as a function of $p_T$ of the reconstructed muon so that it matches the distribution in the data, and as a function of the lifetime to ensure that the $B$-meson lifetimes and $ΔΓ_s$ match the world-average [ref] .
Averages of b-hadron, c-hadron, and tau-lepton Properties · Introduction · 0.91
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