论文标题
在有效的拉格朗日方法和夸克模型中估计D---Meson，Charmed和Light Baryons的耦合常数
Estimation of coupling constants for D-meson, charmed, and light baryons in effective Lagrangian approach and quark model
论文作者
论文摘要
我们估计了$ d $ - 米森，Charmed和Charmed Baryon decay流程的Light Baryons的有效Lagrangians的耦合常数。首先，我们计算$λ_{c} \ to dn $，$σ_{c} \dδ$，$σ_{c} \ to d^{*}δ$，和$λ_{c} {c} n $在有效的lagrang modect中， $^{3} p_ {0} $模型。通过使用$ d^{*}λ_{c} n $相互作用的耦合常数，从多个文献中的相互作用，强度参数$λ$ for $^{3} p_ {0} $ quark模型已固定在衰减过程中$λ_{c} {c} \ to d^{*} n $。然后，在$dλ_{c} n $，$dς_{c}δ$和$ d^{*}σ_{c}δ$交互的有效拉格朗日的耦合常数是在衰减频道中估计的\ to d^{*}δ$。这些耦合常数将有助于进一步研究魅力哈龙。
We estimate coupling constants for effective Lagrangians of $D$-meson, charmed, and light baryons from charmed baryon decay processes. First, we calculate decay widths for the processes $Λ_{c} \to DN$, $Σ_{c} \to D Δ$, $Σ_{c} \to D^{*} Δ$, and $Λ_{c} \to D^{*}N$ in effective Lagrangian method and quark model picture with $^{3}P_{0}$ model. By employing the coupling constants for $D^{*} Λ_{c} N$ interaction from several literatures, the strength parameter $λ$ for $^{3}P_{0}$ quark model is fixed in the decay process $Λ_{c} \to D^{*}N$. Then, the coupling constants for the effective Lagrangians of $DΛ_{c}N$, $DΣ_{c}Δ$, and $D^{*}Σ_{c}Δ$ interactions are estimated in the decay channels $Λ_{c} \to DN$, $Σ_{c} \to D Δ$, and $Σ_{c} \to D^{*} Δ$, respectively. These coupling constants will be useful for further studies of charm hadrons.
