45 research outputs found
Search for Violation and Measurement of the Branching Fraction in the Decay
We report a study of the decay using 921~fb of
data collected at or near the and resonances with
the Belle detector at the KEKB asymmetric energy collider. The
measured time-integrated asymmetry is , and the branching fraction is
= (1.321 0.023
0.036 0.044) 10, where the first uncertainty is
statistical, the second is systematic, and the third is due to the
normalization mode (). These results are significantly
more precise than previous measurements available for this mode. The
measurement is consistent with the standard model expectation.Comment: 7 pages,1 figure, Submitted to PR
Angular analysis of
We present a measurement of angular observables, , , ,
, in the decay , where
is either or . The analysis is performed on
a data sample corresponding to an integrated luminosity of
containing pairs, collected
at the resonance with the Belle detector at the
asymmetric-energy collider KEKB. Four angular observables,
are extracted in five bins of the invariant mass squared of the
lepton system, . We compare our results for with Standard
Model predictions including the region in which the LHCb collaboration
reported the so-called anomaly.Comment: Conference paper for LHC Ski 2016. SM prediction for
corrected and reference for arXiv:1207.2753 adde
Holzeigenschaften der Fichte bei unterschiedlicher Bestandesdichte [Wood properties of Norway spruce at different stand densities]
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