搜索结果: 1-15 共查到“理学 B Mesons”相关记录50条 . 查询时间(0.059 秒)
RADIATIVE WEAK DECAYS OF CHARM MESONS
The standard model radiation conversion pseudo-scalar meson D radiation electromagnetic penguins amplitude and amplitude
font style='font-size:12px;'>
2014/12/23
We address standard model predictions for flavor-changing radiative transitions of the pseudoscalar charm mesons. Short-distance contributions in D radiative transitions are contrasted with those in B...
Factorization in non-leptonic decays of heavy mesons
Model calculation the heavy meson decays pseudoscalar transformation
font style='font-size:12px;'>
2014/12/22
We propose a QCD-based model for calculation of the non-perturbative corrections to the factorization approximation in the decays of heavy mesons. In the framework of the model, factorization in pseud...
Properties of quarks and mesons in the Dyson-Schwinger/Bethe-Salpeter approach
Dyson-Schwinger/Bethe-Salpeter mesons
font style='font-size:12px;'>
2011/7/21
In this thesis, the Dyson-Schwinger - Bethe-Salpeter formalism is investigated and used to study the meson spectrum at zero temperature, as well as the chiral phase transition in finite-temperature QC...
Unitary coupled-channels model for three-mesons decays of heavy mesons
heavy-meson hadronic decay exotic meson 3-body unitarity
font style='font-size:12px;'>
2011/7/21
A unitary coupled-channels model is presented for investigating the decays of heavy mesons and excited meson states into three light pseudoscalar mesons. The model accounts for the three-mesons final ...
Structure of scalar mesons and the Higgs sector of strong interaction
Structure of scalar mesons Higgs sector strong interaction
font style='font-size:12px;'>
2011/7/21
The scalar mesons $\sigma(600)$, $\kappa(800)$, $f_0(980)$ and $a_0(980)$ together with the pseudo Goldstone bosons $\pi$, $K$, and $\eta$ may be considered as the Higgs sector of strong interaction.
Chiral symmetry breaking and the spin content of the rho and rho' mesons
Chiral symmetry breaking rho rho' mesons
font style='font-size:12px;'>
2011/7/21
Using interpolators with different SU(2)_L \times SU(2)_R transformation properties we study the chiral symmetry and spin contents of the rho- and rho'-mesons in lattice simulations with dynamical qua...
Production of Neutral Pions and Eta-mesons in pp Collisions Measured with ALICE
Neutral Pions Eta-mesons pp Collisions ALICE
font style='font-size:12px;'>
2011/7/21
Invariant cross sections for neutral pions and eta mesons in pp collisions at sqrt(s) = 0.9, 2.76, and 7 TeV were measured by the ALICE detector at the Large Hadron Collider. Next-to-leading order (NL...
Quasi-bound states in the continuum: a dynamical coupled-channel calculation of axial-vector charmed mesons
Quasi-bound states dynamical coupled-channel calculation High Energy Physics - Phenomenology
font style='font-size:12px;'>
2011/7/28
Quasi-bound states in the continuum: a dynamical coupled-channel calculation of axial-vector charmed mesons.
Quasi-bound states in the continuum: a dynamical coupled-channel calculation of axial-vector charmed mesons
Quasi-bound coupled-channel axial-vector
font style='font-size:12px;'>
2011/9/14
Masses and widths of the charmed axial-vector mesons D1(2420), D1(2430), Ds1(2536), and Ds1(2460) are calculated nonperturbatively in the Resonance-Spectrum-Expansion model, by coupling various open a...
Possible 2S and 1D charmed and charmed-strange mesons
2S 1D mesons
font style='font-size:12px;'>
2011/4/7
Possible 2S and 1D charmed and charmed-strange mesons 。
Tetra-quark mesons with exotic quantum numbers - their production and related -
Tetra-quark mesons exotic quantum numbers
font style='font-size:12px;'>
2011/4/7
Tetra-quark mesons with exotic quantum numbers - their production and related - 。
Production of radially excited charmonium mesons in two-body nonleptonic Bc decays
Production radially excited charmonium mesons two-body Bc
font style='font-size:12px;'>
2011/4/7
Production of radially excited charmonium mesons in two-body nonleptonic Bc decays 。
A Hierarchical NeuroBayes-based Algorithm for Full Reconstruction of B Mesons at B Factories
Hierarchical NeuroBayes-based Algorithm Full Reconstruction B Mesons B Factories
font style='font-size:12px;'>
2011/4/6
A Hierarchical NeuroBayes-based Algorithm for Full Reconstruction of B Mesons at B Factories 。
A covariant study of tensor mesons
covariant study tensor mesons
font style='font-size:12px;'>
2011/1/14
e investigate tensor mesons as quark-antiquark bound states in a fully covariant Bethe-Salpeter
equation. As a first concrete step we report results for masses of JPC = 2++ mesons from the chiral lim...
Semileptonic decays of K and D mesons in 2+1 flavor QCD
Semileptonic decays K and D mesons in 2+1 flavor QCD
font style='font-size:12px;'>
2011/1/6
The experimentally measured rates of the semileptonic decays K -> pi l nu and D -> K(pi) l nu can be combined with lattice calculations of the associated form factors to precisely extract the CKM matr...