CMSPASBPH21002  
Angular analysis of the $ {\mathrm{B}^0} \to \mathrm{K^{* 0}(892)} \mu^+\mu^ $ decay at $ \sqrt{s}= $ 13 TeV  
CMS Collaboration  
4 June 2024  
Abstract: The full set of optimised CPaveraged observables is measured in the angular analysis of the decay $ {\mathrm{B}^0} \to \mathrm{K^{* 0}(892)} \mu^+\mu^ $ using a sample of protonproton collisions at $ \sqrt{s}= $ 13 TeV collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 140 fb$^{1}$. The analysis is performed in bins of the invariant mass squared of the dimuon system. These results are among the most precise experimental measurements of the angular observables of the $ \mathrm{B}^0 \to \mathrm{K^{* 0}(892)} \mu^+\mu^ $ decay.  
Links: CDS record (PDF) ; Physics Briefing ; CADI line (restricted) ; 
Figures & Tables  Summary  Additional Figures & Tables  References  CMS Publications 

Figures  
png pdf 
Figure 1:
Sketch representing the definition of the angular variables $ \cos\theta_l $ (left), $ \cos\theta_\mathrm{K} $ (centre), and $ \phi $ (right). 
png pdf 
Figure 2:
Mass and angular distributions for 4.3 $ < q^{2} < $ 6 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Figure 2a:
Mass and angular distributions for 4.3 $ < q^{2} < $ 6 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Figure 2b:
Mass and angular distributions for 4.3 $ < q^{2} < $ 6 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Figure 2c:
Mass and angular distributions for 4.3 $ < q^{2} < $ 6 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Figure 2d:
Mass and angular distributions for 4.3 $ < q^{2} < $ 6 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Figure 3:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
png pdf 
Figure 3a:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
png pdf 
Figure 3b:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
png pdf 
Figure 3c:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
png pdf 
Figure 3d:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
png pdf 
Figure 3e:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
png pdf 
Figure 3f:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
png pdf 
Figure 3g:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
png pdf 
Figure 3h:
Measurements of the angular parameters versus $ q^{2} $. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The data are compared to two sets of predictions based on flavio [33] and EOS [34] libraries, averaged in each bin. 
Tables  
png pdf 
Table 1:
Systematic uncertainties on the various angular parameters. For each source of uncertainty, the range covers the variation observed across the $ q^{2} $ bins. 
png pdf 
Table 2:
Measured CPaveraged angular observables, in the corresponding $ q^{2} $ bins. The first uncertainties are statistical and the second systematic. 
Summary 
In summary, the study of the full angular distribution of the $ {\mathrm{B}^0}\to \mathrm{K^{* 0}}\mu^{+}\mu^{} $ decay has been performed on 140 fb$ ^{1} $ of protonproton collision data recorded by the CMS detector at the LHC at centerofmass energy of 13 TeV. The complete set of CPaveraged observables has been measured via unbinned maximumlikelihood fits to the signal mass and angular distributions, in bins of $ q^{2} $ ranging from 1.1 to 16 GeV$^{2}$. These results are among the most precise experimental measurements of the angular observables of the $ {\mathrm{B}^0}\to \mathrm{K^{* 0}}\mu^{+}\mu^{} $ decay. 
Additional Figures  
png pdf 
Additional Figure 1:
Mass and angular distributions for 1.1 $ < q^{2} < $ 2 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 1a:
Mass and angular distributions for 1.1 $ < q^{2} < $ 2 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 1b:
Mass and angular distributions for 1.1 $ < q^{2} < $ 2 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 1c:
Mass and angular distributions for 1.1 $ < q^{2} < $ 2 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 1d:
Mass and angular distributions for 1.1 $ < q^{2} < $ 2 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 2:
Mass and angular distributions for 2 $ < q^{2} < $ 4.3 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 2a:
Mass and angular distributions for 2 $ < q^{2} < $ 4.3 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 2b:
Mass and angular distributions for 2 $ < q^{2} < $ 4.3 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 2c:
Mass and angular distributions for 2 $ < q^{2} < $ 4.3 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 2d:
Mass and angular distributions for 2 $ < q^{2} < $ 4.3 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 3:
Mass and angular distributions for 6 $ < q^{2} < $ 8.68 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 3a:
Mass and angular distributions for 6 $ < q^{2} < $ 8.68 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 3b:
Mass and angular distributions for 6 $ < q^{2} < $ 8.68 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 3c:
Mass and angular distributions for 6 $ < q^{2} < $ 8.68 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 3d:
Mass and angular distributions for 6 $ < q^{2} < $ 8.68 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 4:
Mass and angular distributions for 10.09 $ < q^{2} < $ 12.86 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 4a:
Mass and angular distributions for 10.09 $ < q^{2} < $ 12.86 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 4b:
Mass and angular distributions for 10.09 $ < q^{2} < $ 12.86 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 4c:
Mass and angular distributions for 10.09 $ < q^{2} < $ 12.86 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 4d:
Mass and angular distributions for 10.09 $ < q^{2} < $ 12.86 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 5:
Mass and angular distributions for 14.18 $ < q^{2} < $ 16 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 5a:
Mass and angular distributions for 14.18 $ < q^{2} < $ 16 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 5b:
Mass and angular distributions for 14.18 $ < q^{2} < $ 16 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 5c:
Mass and angular distributions for 14.18 $ < q^{2} < $ 16 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 5d:
Mass and angular distributions for 14.18 $ < q^{2} < $ 16 GeV$ ^2 $. The projections of the total fitted distribution (in blue) and its different components are overlaid. The signal is shown by the red dashed line, and the background by the orange line. 
png pdf 
Additional Figure 6:
Measurements of the angular observable $ F_L $ versus $ q^{2} $, in comparison to results from LHCb [12] and previous CMS publication [9]. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The definition of the $ q^{2} $ bins may differ between the various measurements. 
png pdf 
Additional Figure 7:
Measurements of the angular observable $ P_1 $ versus $ q^{2} $, in comparison to results from LHCb [12] and previous CMS publication [10]. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The definition of the $ q^{2} $ bins may differ between the various measurements. 
png pdf 
Additional Figure 8:
Measurements of the angular observable $ P_2 $ versus $ q^{2} $, in comparison to results from LHCb [12]. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The definition of the $ q^{2} $ bins may differ between the various measurements. 
png pdf 
Additional Figure 9:
Measurements of the angular observable $ P_3 $ versus $ q^{2} $, in comparison to results from LHCb [12]. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The definition of the $ q^{2} $ bins may differ between the various measurements. 
png pdf 
Additional Figure 10:
Measurements of the angular observable $ P_4^{\prime} $ versus $ q^{2} $, in comparison to results from LHCb [12]. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The definition of the $ P_4^{\prime} $ observable is the one presented in [16]: the results from the LHCb Collaboration are therefore appropriately scaled by a factor of two to superimpose them on the same plot. The definition of the $ q^{2} $ bins may differ between the various measurements. 
png pdf 
Additional Figure 11:
Measurements of the angular observable $ P_5^{\prime} $ versus $ q^{2} $, in comparison to results from LHCb [12] and previous CMS publications [10]. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The definition of the $ q^{2} $ bins may differ between the various measurements. 
png pdf 
Additional Figure 12:
Measurements of the angular observable $ P_6^{\prime} $ versus $ q^{2} $, in comparison to results from LHCb [12]. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The definition of the $ P_6^{\prime} $ observable is the one presented in [16]: the results from the LHCb Collaboration are therefore appropriately scaled by a factor of minus one to superimpose them on the same plot. The definition of the $ q^{2} $ bins may differ between the various measurements. 
png pdf 
Additional Figure 13:
Measurements of the angular observable $ P_8^{\prime} $ versus $ q^{2} $, in comparison to results from LHCb [12]. The inner vertical bars represent the statistical uncertainties, while the outer vertical bars give the total uncertainties. The horizontal bars show the bin widths. The vertical shaded regions correspond to the $ \mathrm{J}/\psi $ and $\psi$(2S) resonances. The definition of the $ P_8^{\prime} $ observable is the one presented in [16]: the results from the LHCb Collaboration are therefore appropriately scaled by a factor of two to superimpose them on the same plot. The definition of the $ q^{2} $ bins may differ between the various measurements. 
png pdf 
Additional Figure 14:
The various sources of systematic uncertainty per each $ q^{2} $ bin, for the $ F_L $ observable. The total systematic uncertainty and the statistical uncertainty are shown by the dotted area and white bar, respectively. The vertical axis represents the index of the $ q^{2} $ bins used in the analysis, ordered with increasing $ q^{2} $ value and excluding the bins dominated by the resonant channels. 
png pdf 
Additional Figure 15:
The various sources of systematic uncertainty per each $ q^{2} $ bin, for the $ P_1 $ observable. The total systematic uncertainty and the statistical uncertainty are shown by the dotted area and white bar, respectively. The vertical axis represents the index of the $ q^{2} $ bins used in the analysis, ordered with increasing $ q^{2} $ value and excluding the bins dominated by the resonant channels. 
png pdf 
Additional Figure 16:
The various sources of systematic uncertainty per each $ q^{2} $ bin, for the $ P_2 $ observable. The total systematic uncertainty and the statistical uncertainty are shown by the dotted area and white bar, respectively. The vertical axis represents the index of the $ q^{2} $ bins used in the analysis, ordered with increasing $ q^{2} $ value and excluding the bins dominated by the resonant channels. 
png pdf 
Additional Figure 17:
The various sources of systematic uncertainty per each $ q^{2} $ bin, for the $ P_3 $ observable. The total systematic uncertainty and the statistical uncertainty are shown by the dotted area and white bar, respectively. The vertical axis represents the index of the $ q^{2} $ bins used in the analysis, ordered with increasing $ q^{2} $ value and excluding the bins dominated by the resonant channels. 
png pdf 
Additional Figure 18:
The various sources of systematic uncertainty per each $ q^{2} $ bin, for the $ P_4^{\prime} $ observable. The total systematic uncertainty and the statistical uncertainty are shown by the dotted area and white bar, respectively. The vertical axis represents the index of the $ q^{2} $ bins used in the analysis, ordered with increasing $ q^{2} $ value and excluding the bins dominated by the resonant channels. 
png pdf 
Additional Figure 19:
The various sources of systematic uncertainty per each $ q^{2} $ bin, for the $ P_5^{\prime} $ observable. The total systematic uncertainty and the statistical uncertainty are shown by the dotted area and white bar, respectively. The vertical axis represents the index of the $ q^{2} $ bins used in the analysis, ordered with increasing $ q^{2} $ value and excluding the bins dominated by the resonant channels. 
png pdf 
Additional Figure 20:
The various sources of systematic uncertainty per each $ q^{2} $ bin, for the $ P_6^{\prime} $ observable. The total systematic uncertainty and the statistical uncertainty are shown by the dotted area and white bar, respectively. The vertical axis represents the index of the $ q^{2} $ bins used in the analysis, ordered with increasing $ q^{2} $ value and excluding the bins dominated by the resonant channels. 
png pdf 
Additional Figure 21:
The various sources of systematic uncertainty per each $ q^{2} $ bin, for the $ P_8^{\prime} $ observable. The total systematic uncertainty and the statistical uncertainty are shown by the dotted area and white bar, respectively. The vertical axis represents the index of the $ q^{2} $ bins used in the analysis, ordered with increasing $ q^{2} $ value and excluding the bins dominated by the resonant channels. 
Additional Tables  
png pdf 
Additional Table 1:
Correlation matrix of the statistical uncertainties of the angular observables, from the maximumlikelihood fit in the region 1.1 $ < q^{2} < $ 2 GeV$ ^2 $. 
png pdf 
Additional Table 2:
Correlation matrix of the statistical uncertainties of the angular observables, from the maximumlikelihood fit in the region 2 $ < q^{2} < $ 4.3 GeV$ ^2 $. 
png pdf 
Additional Table 3:
Correlation matrix of the statistical uncertainties of the angular observables, from the maximumlikelihood fit in the region 4.3 $ < q^{2} < $ 6 GeV$ ^2 $. 
png pdf 
Additional Table 4:
Correlation matrix of the statistical uncertainties of the angular observables, from the maximumlikelihood fit in the region 6 $ < q^{2} < $ 8.68 GeV$ ^2 $. 
png pdf 
Additional Table 5:
Correlation matrix of the statistical uncertainties of the angular observables, from the maximumlikelihood fit in the region 10.09 $ < q^{2} < $ 12.86 GeV$ ^2 $. 
png pdf 
Additional Table 6:
Correlation matrix of the statistical uncertainties of the angular observables, from the maximumlikelihood fit in the region 14.18 $ < q^{2} < $ 16 GeV$ ^2 $. 
References  
1  CDF Collaboration  Measurements of the Angular Distributions in the Decays $ B \to K^{(*)} \mu^+ \mu^ $ at CDF  PRL 108 (2012) 081807  1108.0695 
2  BaBar Collaboration  Angular Distributions in the Decays B \ensuremath> K* l+ l  PRD 79 (2009) 031102  0804.4412 
3  Belle Collaboration  Measurement of the Differential Branching Fraction and ForwardBackward Asymmetry for $ B \to K^{(*)}\ell^+\ell^ $  PRL 103 (2009) 171801  0904.0770 
4  Belle Collaboration  LeptonFlavorDependent Angular Analysis of $ B\to K^\ast \ell^+\ell^ $  PRL 118 (2017) 111801  1612.05014 
5  LHCb Collaboration  Differential branching fraction and angular analysis of the decay $ B^{0} \to K^{*0} \mu^{+}\mu^{} $  JHEP 08 (2013) 131  1304.6325 
6  LHCb Collaboration  Measurement of FormFactorIndependent Observables in the Decay $ B^{0} \to K^{*0} \mu^+ \mu^ $  PRL 111 (2013) 191801  1308.1707 
7  LHCb Collaboration  Angular analysis of the $ B^{0} \to K^{*0} \mu^{+} \mu^{} $ decay using 3 fb$ ^{1} $ of integrated luminosity  JHEP 02 (2016) 104  1512.04442 
8  CMS Collaboration  Angular Analysis and Branching Fraction Measurement of the Decay $ B^0 \to K^{*0} \mu^+\mu^ $  PLB 727 (2013) 77  CMSBPH11009 1308.3409 
9  CMS Collaboration  Angular analysis of the decay $ B^0 \to K^{*0} \mu^+ \mu^ $ from pp collisions at $ \sqrt s = $ 8 TeV  PLB 753 (2016) 424  CMSBPH13010 1507.08126 
10  CMS Collaboration  Measurement of angular parameters from the decay $ \mathrm{B}^0 \to \mathrm{K}^{*0} \mu^+ \mu^ $ in protonproton collisions at $ \sqrt{s} = $ 8 TeV  PLB 781 (2018) 517  CMSBPH15008 1710.02846 
11  ATLAS Collaboration  Angular analysis of $ B^0_d \rightarrow K^{*}\mu^+\mu^ $ decays in $ pp $ collisions at $ \sqrt{s}= $ 8 TeV with the ATLAS detector  JHEP 10 (2018) 047  1805.04000 
12  LHCb Collaboration  Measurement of $ CP $Averaged Observables in the $ B^{0}\rightarrow K^{*0}\mu^{+}\mu^{} $ Decay  PRL 125 (2020) 011802  2003.04831 
13  M. Ciuchini et al.  Charming penguins and lepton universality violation in $ b \to s \ell ^+ \ell ^ $ decays  EPJC 83 (2023) 64  2110.10126 
14  F. Kruger and J. Matias  Probing new physics via the transverse amplitudes of $ B^0\to K^{*0} (\to K^ \pi^+) l^+l^ $ at large recoil  PRD 71 (2005) 094009  hepph/0502060 
15  W. Altmannshofer et al.  Symmetries and Asymmetries of $ B \to K^{*} \mu^{+} \mu^{} $ Decays in the Standard Model and Beyond  JHEP 01 (2009) 019  0811.1214 
16  S. DescotesGenon, J. Matias, M. Ramon, and J. Virto  Implications from clean observables for the binned analysis of $ B  > K*\mu^+\mu^ $ at large recoil  JHEP 01 (2013) 048  1207.2753 
17  CMS Collaboration  Performance of the CMS muon detector and muon reconstruction with protonproton collisions at $ \sqrt{s}= $ 13 TeV  JINST 13 (2018) P06015  CMSMUO16001 1804.04528 
18  CMS Collaboration  Description and performance of track and primaryvertex reconstruction with the CMS tracker  JINST 9 (2014) P10009  CMSTRK11001 1405.6569 
19  CMS Tracker Group Collaboration  The CMS phase1 pixel detector upgrade  JINST 16 (2021) P02027  2012.14304 
20  CMS Collaboration  Track impact parameter resolution for the full pseudo rapidity coverage in the 2017 dataset with the CMS phase1 pixel detector  CMS Detector Performance Summary CMSDP2020049, 2020 CDS 

21  CMS Collaboration  The CMS experiment at the CERN LHC  JINST 3 (2008) S08004  
22  CMS Collaboration  Performance of the CMS Level1 trigger in protonproton collisions at $ \sqrt{s} = $ 13\,TeV  JINST 15 (2020) P10017  CMSTRG17001 2006.10165 
23  CMS Collaboration  The CMS trigger system  JINST 12 (2017) P01020  CMSTRG12001 1609.02366 
24  T. Sjöstrand et al.  An introduction to PYTHIA 8.2  Comput. Phys. Commun. 191 (2015) 159  1410.3012 
25  D. J. Lange  The EvtGen particle decay simulation package  NIM A 462 (2001) 152  
26  E. Barberio, B. van Eijk, and Z. W \c a s  PHOTOS  a universal Monte Carlo for QED radiative corrections in decays  Comput. Phys. Commun. 66 (1991) 115  
27  E. Barberio and Z. W \c a s  PHOTOS  a universal Monte Carlo for QED radiative corrections: version 2.0  Comput. Phys. Commun. 79 (1994) 291  
28  GEANT4 Collaboration  GEANT 4a simulation toolkit  NIM A 506 (2003) 250  
29  Particle Data Group Collaboration  Review of Particle Physics  PTEP 2022 (2022) 083C01  
30  M. Pivk and F. Le Diberder  Plots: A statistical tool to unfold data distributions  NIMA 555 (2005) 356  
31  CMS Collaboration  Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV  EPJC 75 (2015) 212  CMSHIG14009 1412.8662 
32  F. Beaujean, M. Chrzaszcz, N. Serra, and D. van Dyk  Extracting angular observables without a likelihood and applications to rare decays  PRD 91 (2011) 114012  
33  D. M. Straub  flavio: a python package for flavour and precision phenomenology in the standard model and beyond  link  1810.08132 
34  D. van Dyk et al.  Eos version 1.0.10  2023 link 

35  R. R. Horgan, Z. Liu, S. Meinel, and M. Wingate  Lattice QCD calculation of form factors describing the rare decays $ B \to K^* \ell^+ \ell^ $ and $ B_s \to \phi \ell^+ \ell^ $  PRD 8 (1900) 9  1310.3722 
36  R. R. Horgan, Z. Liu, S. Meinel, and M. Wingate  Rare $ B $ decays using lattice QCD form factors  PoS LATTICE 372, 2015 link 
1501.00367 
37  A. Bharucha, D. M. Straub, and R. Zwicky  $ B\to V\ell^+\ell^ $ in the Standard Model from lightcone sum rules  JHEP 08 (2016) 098  1503.05534 
38  M. Beneke, T. Feldmann, and D. Seidel  Exclusive radiative and electroweak $ b \to d $ and $ b \to s $ penguin decays at NLO  EPJC 41 (2005) 173  hepph/0412400 
39  M. Beneke, T. Feldmann, and D. Seidel  Systematic approach to exclusive $ B \to V l^+ l^ $, $ V \gamma $ decays  NPB 612 (2001) 25  hepph/0106067 
40  N. Gubernari, M. Reboud, D. van Dyk, and J. Virto  Improved theory predictions and global analysis of exclusive $ b \to s\mu^+\mu^ $ processes  JHEP 09 (2022) 133  2206.03797 
41  N. Gubernari, A. Kokulu, and D. van Dyk  $ B\to P $ and $ B\to V $ Form Factors from $ B $Meson LightCone Sum Rules beyond Leading Twist  JHEP 01 (2019) 150  1811.00983 
Compact Muon Solenoid LHC, CERN 