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Angular analysis of the B0 → K⁎(892)0μ+μ− decay in proton-proton collisions at √s = 13 TeV

Angular analysis of the B0 → K⁎(892)0μ+μ− decay in proton-proton collisions at √s = 13 TeV

CMS Collaboration; Hayrapetyan, A.; ACHARYA, S.; ALPANA, K.; DUBE, SOURABH; GOMBER, B.; HAZARIKA, P.; KANSAL, B.; LAHA, A.; SAHU, S.; SHARMA, SEEMA; VAISH, K.Y. et al.
URI: https://doi.org/10.1016/j.physletb.2025.139406
http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/10148
Date: 2025-05


Abstract:

A full set of optimized observables is measured in an angular analysis of the decay ⁎ using a sample of proton-proton collisions at , collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 140 . The analysis is performed in six bins of the squared invariant mass of the dimuon system, , over the range . 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.

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