Penguin Enhancement and decays in perturbative QCD
arXiv:hep-ph/0004173 · doi:10.1103/PhysRevD.63.054008
Abstract
We compute branching ratios of decays in the framework of perturbative QCD factorization theorem. Decay amplitudes are classified into the topologies of tree, penguin and annihilation, all of which contain both factorizable and nonfactorizable contributions. These contributions are expressed as the convolutions of hard quark decay amplitudes with universal meson wave functions. It is shown that (1) matrix elements of penguin operators are dynamically enhanced compared to those employed in the factorization assumption; (2) annihilation diagrams are not negligible, contrary to common belief; (3) annihilation diagrams contribute large strong phases; (4) the uncertainty of current data of the ratio and of CP asymmetries is too large to give a constraint of . Assuming which is extracted from the best fit to the data of , predictions for the branching ratios of the four modes are consistent with data.
Latex, 57 pages including 3 tables and 13 figures
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- Relation between Light Cone Distribution Amplitudes and Shape Function in B mesons
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- Calculation of the decays in the Perturbative QCD Approach
- The perturbative QCD predictions for the decay B^{0}_{s}\rightarrow SS(a_{0}(980),f_{0}(980),f_{0}(500))
- Generalized analysis on within and beyond the Standard Model Can it help understand the puzzle?
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- Global determination of two-meson distribution amplitudes from three-body decays in the perturbative QCD approach
- CP asymmetry in B \to phi K_S in a SUSY SO(10) GUT
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- Study of Nonleptonic , , , Weak Decays with Factorization Approach
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- Double Lepton Polarization Forward--Backward Asymmetries in B \rar K^\ast \ell^+ \ell^- Decay in the SM4
- Study of nonleptonic and weak decays
- Perturbative QCD Analysis of Exclusive Processes and
- Study of Violations in and decays in the QCD factorization approach
- Power Corrections in Charmless B Decays
- Charming penguins in B -> PP decays and the extraction of gamma
- Resonant contributions to three-body decays in the perturbative QCD approach
- Study of the decay with the perturbative QCD approach
- Light-Cone HQET Sum Rules for the B --> pi Transition with 1/m_Q Corrections
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- CP violation in beauty decays
- Probing heavy meson lightcone distribution amplitudes with heavy quark spin symmetry
- Semi-Inclusive B\to K(K^*) X Decays with Initial Bound State Effects
- A study on the radiative dileptonic decays
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- violation for in Perturbative QCD
- Sudakov effects in BBNS approach
- Direct violation for in Perturbative QCD
- Charmless Decays in PQCD Approach
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- Calculation of the Branching Ratio of in PQCD
- Study of decay with perturbative QCD approach
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- B Physics Theory for Hadron Colliders
- Studies on the decays in the perturbative QCD approach
- Anatomy of decays and effects of the next-to-leading order contributions in the perturbative QCD approach
- Model independent investigation of rare semileptonic b \to u l \barν_l decay processes
- Analysis of the electromagnetic form factors and the radiative decays of the vector heavy-light mesons
- Study of W-exchange Mode
- Family Non-universal Effects on Decays in Perturbative QCD Approach
- Exclusive production of mesons in colliders
- Extraction of the CKM angle from the new "mixed " system of and decays
- Semi-inclusive Decay : Rate and Momentum Spectrum of
- Baryon helicity in B decay
- Investigating three-body decays to scalar mesons in perturbative QCD approach
- Branching ratios and asymmetries of decays
- Double-mixing CP violation in decays
- Study of decays in the modified perturbative QCD approach
- Pure annihilation decays of and in the PQCD approach
- New Physics in b --> s bar(s) s Decay
- Leading SU(3) breaking in lightcone distribution amplitudes
- Semileptonic baryon decays in perturbative QCD
- QCD Approach to B->D πDecays and CP Violation
- Elastic and inelastic SU(3)-breaking final-state interactions in B decays to pseudoscalar mesons
- Revisiting and Decays with Contributions from with perturbativen QCD approach
- Perturbative QCD for B_s \to a_1(1260)(b_1(1235))P(V) Decays
- Study of , , decays with perturbative QCD approach
- Study of the quasi-two-body decays B^{0}_{s} \rightarrow ψ(3770)(ψ(3686))π^+π^- with perturbative QCD approach
- Study of Decay in Perturbative QCD Approach
- Comments on and from Non-leptonic Decays within the Perturbative QCD Approach
- decays and - wave mixing effects
- The B ---> π K puzzle and the Bulk Randall-Sundurm model
- Hadron Spin Dynamics
- Soft-collinear factorization in B decays
- Revisiting the decays in the perturbative QCD approach
- Hadronic B Decays: A General Approach
- Charmless hadronic decays in the perturbative QCD approach
- Right-handed current contributions in B -> K pi decays
- Study the contributions of S, P, and D-wave resonances to the quasi-two-body decays in perturbative QCD approach
- Decays with Corrections in Factorization
- The B\to D_s^{(*)}η^{(\prime)} decays in the perturbative QCD
- Possibility of experimental study on nonleptonic weak decays
- Next-to-Leading-logarithm threshold resummation for exclusive meson decays
- Quasi-two-body decays in the perturbative QCD approach
- Study of , decays in the modified perturbative QCD approach
- W-exchange/Annihilation amplitudes in LCSR - as an example
- Study of the decays with perturbative QCD approach
- B\to K_1π(K) decays in the perturbative QCD approach
- Study of Pure Annihilation Decays B_{d,s} \to D^{0} \bar D^{0}
- Analysis of the decay with light-cone QCD sum rules
- Study of f_0(980) and f_0(1500) from B_s \to f_0(980)π, f_0(1500)πDecays
- The B-CP Puzzles in QCD Factorization
- QCD Factorization Based on Six-Quark Operator Effective Hamiltonian from Perturbative QCD and Charmless Bottom Meson Decays
- CP violation of the two-body charmless hadronic B decays in the minimal supergravity Model
- Pure Annihilation Type Decays in the Family Non-universal Model
- The B\to D_s^{(*)}πdecays in the perturbative QCD
- Hadronic decays of in the perturbative QCD approach
- PQCD approach to exclusive B decays
- Contributions from to the decays within the QCD factorization
- Study of the decays
- Two-body modes of B mesons and the CP-b triangle
- Can contribution from magnetic-penguin operator with real photon to in the standard model be neglected?
- Annihilation Contributions and CP Asymmetries in and
- Study of B^{0}_{s} \rightarrow \ TT(a_{2}(1320),K^{*}_{2}(1430),f_{2}(1270),f^{'}_{2}(1525)) in the perturbative QCD approach
- The semileptonic decays of meson in the perturbative QCD approach: A short review
- Theory of hadronic B decays
- Semi-inclusive nonleptonic decays B\to D_s^{(*)} X
- General non-leptonic WET at the NLO in QCD
- CP-Violation in the decay B^0, (B^0)bar -> pi^+ pi^- gamma
- New Physics Search in the Doubly Weak Decay
- Study of parity violating and strangeness changing weak decays
- Model-Independent Analysis of CP Violation in Charmed Meson Decays
- CP violation in quasi-two-body decays and three-body decays mediated by vector resonances
- Analysis of decays in the perturbative QCD approach
- Resonance contributions from in the charmless three-body hadronic meson decays
- Phenomenological analysis of charmless decays in the modified perturbative QCD approach
- Soft end-point and mass corrections to the eta' g*g* vertex function
- Study of the two-body nonleptonic weak decays with the QCD factorization approach
- to light meson form factors with end-point cutoff
- The virtual contributions from in the and decays
- Branching fraction, asymmetry, and polarization in decays with the modified perturbative QCD approach
- Study of quasi-two-body B^{0}\rightarrow T(ππ, K\bar{K},πη) decays in perturbative QCD approach
- Highlights from Five Years at the B Factories
- Contributions of the subprocess in the charmless three-body meson decays
- Study decays into and a scalar or vector meson
- Contributions of and in the charmed three-body meson decays