搜索结果: 1-6 共查到“基本粒子物理学 t --> b W Decay”相关记录6条 . 查询时间(0.109 秒)
Heavy-Quark Mass and Heavy-Meson Decay Constants from QCD Sum Rules
Heavy-Quark Mass Heavy-Meson Decay Constants
font style='font-size:12px;'>
2011/1/7
We present a sum-rule extraction of heavy-meson decay constants from the two-point correlator of heavy-light pseudoscalar currents. Our main concern is to control the uncertainties of the decay consta...
Calculation of $\rho$ meson decay width from the PACS-CS configurations
meson decay width the PACS-CS configurations
font style='font-size:12px;'>
2011/1/6
We present preliminary results on the $\rho$ meson decay width from $N_f=2+1$ full QCD configurations generated by PACS-CS Collaboration. The decay width is estimated from the $P$-wave scattering phas...
Study of Λ decay parameter in J/ψ→ΛΛ decay
parity asymmetry hyperon nonleptonic decays J/ψ decays
font style='font-size:12px;'>
2009/8/14
The helicity amplitudes for J/ψ→ΛΛ and the relevant background decays are presented for measuring the Λ decay parameter α+(Λ→pπ+) in J/ψ→ΛΛ . The Monte Carlo (MC) simulations based on the helicity a...
Intrinsic Asymmetry Parameter In Nonmesonic Hypernuclear Decay: Analytical Proof of The Independence on Hypernucleus Within An Independent Particle Shell Model
Hypernuclear decay Asymmetry parameter One-meson-exchange Independent particle shell model
font style='font-size:12px;'>
2010/7/5
We derive general analytical expressions for the evaluation of the intrinsic asymmetry parameter in nonmesonic hypernuclear weak decay, within an independent particle shell model framework. Present fo...
Time Evolution of Fast Particles During Decay of Hadronic Systems
Fast Particles Hadronic Systems
font style='font-size:12px;'>
2010/4/15
A phenomenological model is presented based on the formation of a nuclear thermodynamic system during the collision of intermediate and high energy heavy ions. The formulation and the dynamic picture ...
t->rn Decay and Leptonic Decay Constants of Vector Mesons
t->rn Decay Leptonic Decay Constants Vector Mesons
font style='font-size:12px;'>
2010/4/19
The new Salpeter equation for vector mesons is proposed and the representation for their leptonic decay constants is obtained.