Analysis of new charmless strange B decay data leaves high $B\to K{\eta }^{\prime }$ and $B\to K{\eta }^{\prime }X$ still unexplained

Abstract

The question of whether the anomalously large $B\to K{\eta }^{\prime }$ and $B\to K{\eta }^{\prime }X$ (inclusive) branching ratios are consistent with the standard model or a sign of new physics is still open and in the experimental court. The nature of the extra hadron $X$ in $B\to K{\eta }^{\prime }X$ is completely unknown. Directions for investigation and analysis of inclusive data are suggested as well as for comparable inclusive data on $B\to K\eta X$. New data confirming the prediction $BR(K^{\pm }{\rho }^o)=BR(K^{\pm }\omega )$ support flavor-topology $B\to VP$ sum rules based on the OZI rule and emphasize the sharp contrast with the failure of the analogous $B\to PP$ sum rule due to the anomalously large $BR(B\to K{\eta }^{\prime })$. Confirmation of OZI validity in B-decay analyses for VP final states suggests improving data on the analogous neutral decay difference $BR(B^o\to K^o{\rho }^o)-BR(B^o\to K^o\omega )$ which measures tree-penguin interference and possible direct CP violation. A successful approximate isospin sum rule is rearranged and reinterpreted to pinpoint tree-penguin interference in $B\to K\pi$ and $B\to K\rho$ transitions. The magnitude of the interference is shown to still be at the statistical noise level with present data.

11 pages, 6 figures

References in corpus (2)

• Relations for two body B Decays to Charmonium and tests for $\eta -{\eta }^{\prime }$ mixing
• Experimental Puzzles in Heavy Flavor Decays - Anomalously high ${\eta }^{\prime }$ appearance in charmless strange B decays - Flavor SU(3) breaking in Charm Decays

Cited by in corpus (8)

• Composition of the Pseudoscalar Eta and Eta' Mesons
• Gluonic contribution to $B\to {\eta }^{(\prime )}$ form factors
• Rate and CP-asymmetry sum rules in $B\to K\pi$
• The 2-3 symmetry: Flavour Changing $b$, $\tau$ Decays and Neutrino Mixing
• B meson decays to charmless meson pairs containing eta or eta' mesons
• Constraints on the anomalous tensor operators from B\toϕK^{\ast}, ηK^{\ast}$ and ηK decays
• Searches for B0 decays to eta K0, eta eta, eta' eta', eta phi, and eta' phi
• Measurement of Branching Fractions in Radiative B Decays to eta K gamma and Search for B Decays to eta' K gamma