Measurement of angular parameters from the decay B0 → K⁎0μ+μ in proton–proton collisions at s=8TeV

The CMS collaboration

Research output: Contribution to journalArticlepeer-review

88 Scopus citations


Angular distributions of the decay B0→K⁎0μ+μ are studied using a sample of proton–proton collisions at s=8TeV collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 20.5fb−1. An angular analysis is performed to determine the P1 and P5 parameters, where the P5 parameter is of particular interest because of recent measurements that indicate a potential discrepancy with the standard model predictions. Based on a sample of 1397 signal events, the P1 and P5 parameters are determined as a function of the dimuon invariant mass squared. The measurements are in agreement with predictions based on the standard model.

Original languageEnglish (US)
Pages (from-to)517-541
Number of pages25
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
StatePublished - Jun 10 2018

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


  • B decays
  • CMS
  • Physics


Dive into the research topics of 'Measurement of angular parameters from the decay B<sup>0</sup> → K<sup>⁎0</sup>μ<sup>+</sup>μ<sup>−</sup> in proton–proton collisions at s=8TeV'. Together they form a unique fingerprint.

Cite this