Nonfactorizable corrections to B -> J/psi K

Abstract

We apply the method of QCD light-cone sum rules to calculate nonfactorizable contributions to the B -> J/psi K decay and estimate soft nonfactorizable corrections to the a_2 parameter. The corrections appear to be positive, favoring the positive sign of a_2, in agreement with recent theoretical considerations and experimental data. Our result also confirms expectations that in the color-suppressed decay nonfactorizable corrections are sizable.

28 pages, 3 figures included, RevTeX4, some comments added; published version

References in corpus (6)

• QCD Factorization in B -> pi K, pi pi Decays and Extraction of Wolfenstein Parameters
• Exploring Light-Cone Sum Rules for Pion and Kaon Form Factors
• Comments on Color-Suppressed Hadronic B Decays
• Measurement of branching fractions for exclusive B decays to charmonium final states
• Observation of Color-suppressed ${\bar{B}}^0\to D^0{\pi }^0$, $D^{\ast 0}{\pi }^0$, $D^0\eta$, and $D^0\omega$ Decays
• Observation of ${\bar{B}}^0\to D^0{\pi }^0$ and ${\bar{B}}^0\to D^{\ast 0}{\pi }^0$

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• The Gold-plated mode revisited: sin(2 beta) and B^0 to J/Psi K_S in the Standard Model
• Nonleptonic $B_s$ to charmonium decays: analyses in pursuit of determining the weak phase ${\beta }_s$
• B -> chi_cJ K decays revisited
• Penguin pollution in the B^0 -> J/psi K_S decay
• LCSR analysis of exclusive two-body B decay into charmonium
• Nonfactorizable soft contributions in the $B⟶{\eta }_{c}K,{\chi }_{c0}K$ decays with the light-cone sum rules approach
• Charming New $B$-Physics
• $B \to (\jpsi,η_c) K$ decays in the perturbative QCD approach
• Branching ratios, $CP$ asymmetries and polarizations of $B\to \psi (2S)V$ decays
• Systematic Study on QCD Interactions of Heavy Mesons with $\rho$ Meson
• Study of B_{c}\to J/ψK decays in the perturbative QCD approach
• Final-state interactions in the decays $B^0\to {\chi }_{c0}{K}^{\ast 0}$ and $B^{+}\to {\chi }_{c0}{K}^{\ast +}$
• Final state interactions in the decay $B^0\to {\eta }_c{K}^{\ast }$
• Soft Nonfactorizable Contribution to \bar{B}^0 \to D^0π^0
• The decays $B\to \Psi (2S)\pi (K),{\eta }_c(2S)\pi (K)$ in the pQCD approach beyond the leading-order
• $B_{(s)}\to {\eta }_c(P,V)$ decays and effects of the next-to-leading order contributions in the perturbative QCD approach
• $B_u$ $\to$ $\psi M$ decays and $S$-$D$ wave mixing effects
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• Analysis of the decay $B^0\to {\chi }_{c1}{\pi }^0$ with light-cone QCD sum rules