Angular analysis of the B$^0$ $\to$ K$^*$(892)$^0μ^+μ^-$ decay in proton-proton collisions at $\sqrt{s}$ = 13 TeV
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866908289384579072 |
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| author | CMS Collaboration |
| author_facet | CMS Collaboration |
| contents | A full set of optimized observables is measured in an angular analysis of the decay B$^0$ $\to$ K$^*$(892)$^0μ^+μ^-$ using a sample of proton-proton 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 six bins of the squared invariant mass of the dimuon system, $q^2$, over the range 1.1 $\lt$ $q^2$ $\lt$ 16 GeV$^2$. The results are among the most precise experimental measurements of the angular observables for this decay and are compared to a variety of predictions based on the standard model. Some of these predictions exhibit tension with the measurements. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_11820 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Angular analysis of the B$^0$ $\to$ K$^*$(892)$^0μ^+μ^-$ decay in proton-proton collisions at $\sqrt{s}$ = 13 TeV CMS Collaboration High Energy Physics - Experiment A full set of optimized observables is measured in an angular analysis of the decay B$^0$ $\to$ K$^*$(892)$^0μ^+μ^-$ using a sample of proton-proton 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 six bins of the squared invariant mass of the dimuon system, $q^2$, over the range 1.1 $\lt$ $q^2$ $\lt$ 16 GeV$^2$. The results are among the most precise experimental measurements of the angular observables for this decay and are compared to a variety of predictions based on the standard model. Some of these predictions exhibit tension with the measurements. |
| title | Angular analysis of the B$^0$ $\to$ K$^*$(892)$^0μ^+μ^-$ decay in proton-proton collisions at $\sqrt{s}$ = 13 TeV |
| topic | High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2411.11820 |