Covariant light-front approach fors-wave andp-wave mesons: Its application to decay constants and form factors

2003/10/31 by Hai-Yang Cheng, Chun-Khiang Chua, Chien-Wen Hwang · 13 citations
Physics and Astronomy · #Atomic physics #Covariant transformation #Form factor (electronics) #High-Energy Particle Collisions Research #Meson #Momentum (technical analysis) #Nuclear physics #P wave #Particle physics #Particle physics theoretical and experimental studies #Physics #Pseudoscalar #Pseudovector #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Quark #Quark model #Quarkonium #Recoil #Wave function #hep-ex #hep-ph

paper · pdf · doi:10.1103/physrevd.69.074025

published as Phys.Rev. D69 (2004) 074025 · 59 pages, 6 figures. Version to appear in Phys. Rev. D. Changes are: (i) D_s to phi transition form factors are discussed and compared with the recent FOCUS measurements and (ii) zero mode effects are clarified

arxiv created 2004/01/27 · openalex publication_date 2004/04/27 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We study the decay constants and form factors of the ground-state s-wave and low-lying p-wave mesons within a covariant light-front approach. Numerical results of the form factors for transitions between a heavy pseudoscalar meson and an s-wave or p-wave meson and their momentum dependence are presented in detail. In particular, form factors for heavy-to-light and \stackrel\ensuremath→BD^** transitions, where D^** denotes generically a p-wave charmed meson, are compared with other model calculations. The experimental measurements of the decays B^\ensuremath-\ensuremath→D^**\ensuremathπ^\ensuremath- and \stackrel\ensuremath→BDD_s^** are employed to test the decay constants of D_s^** and the \stackrel\ensuremath→BD^** transition form factors. The heavy quark limit behavior of the decay constants and form factors is examined and it is found that the requirement of heavy quark symmetry is satisfied. The universal Isgur-Wise (IW) functions, one for s-wave to s-wave and two for s-wave to p-wave transitions, are obtained. The values of the IW functions at zero recoil and their slope parameters can be used to test the Bjorken and Uraltsev sum rules.

Citations

• Semileptonic decays B → (π, ϱ)eν in relativistic quark model
• Describinga1andb1decays
• Consistent treatment of spin-1 mesons in the light-front quark model
• Hadronic charmed meson decays involving axial vector mesons
• Decay constants ofP- andD-wave heavy-light mesons
• Feynman versus Bakamjian-Thomas in light-front dynamics
• Form factors of meson decays in the relativistic constituent quark model
• Lattice results for the decay constant of heavy-light vector mesons
• Observation of a Narrow Meson State Decaying toDs+π0at a Mass of2.32 GeV/c2
• Measurement ofB0→Ds(*)+D*−branching fractions andB0→Ds*+D*−polarization with a partial reconstruction technique
• Observation of theDsJ(2317)andDsJ(2457)inBDecays
• Review of particle properties
• Review of Particle Physics
• Observation of a narrow meson decaying toDs+π0γat a mass of2.458GeV/c2

Cited by

• Radiative Transitions for the Ground and Excited Charmonia States
• Branching ratios ofBcmeson decaying to vector and axial-vector mesons
• Covariant light-front approach for heavy quarkonium: decay constants,P→ γγ andV→Pγ
• A COMPARATIVE STUDY ON B →K*ℓ+ ℓ- AND B → K₀^∗ (1430) ℓ⁺ ℓ^- DECAYS IN THE SUPERSYMMETRIC MODELS
• Revealing treacherous points for successful light-front phenomenological applications
• Exclusive rareBs→ (K, η, η′)ℓ+ℓ−decays in the light-front quark model
• Two-photon and two-gluon decays ofp-wave heavy quarkonium using a covariant light-front approach
• f0(1710) production in exclusive B decays
• Bs→Ds(3040)form factors andBsdecays intoDs(3040)
• Charmless nonleptonicBsdecays toPP,PV, andVVfinal states in the perturbative QCD approach
• Study of quark distribution amplitudes of 1S and 2S heavy quarkonium states
• Study of D→a0(980)e+νe decay in the light-cone sum rules approach
• Self-consistent covariant description of vector meson decay constants and chirality-even quark-antiquark distribution amplitudes up to twist 3 in the light-front quark model