论文标题
$υ$和$η_b$核约束国家
$Υ$ and $η_b$ nuclear bound states
论文作者
论文摘要
$υ$和$η_b$核界的状态能量是针对各种核的，忽略了宽度的任何可能影响。计算的基本输入，即中等修饰的$ b $和$ b^{*} $ meson群众以及核中的密度分布，在夸克 - 梅森耦合（QMC）模型中计算。 $υ$和$η_b$介中的有吸引力的潜力是根据这些核物质在局部密度近似值中的核物质的质量转移计算的。这些潜力来自中等内的$ b \ overline {b} $和$ bb^{*} $在各自的自我中循环。经过广泛的分析，我们得出的结论是，我们的结果表明$υ$和$η_b$梅森应该与所考虑的所有核形成绑定状态。
$Υ$ and $η_b$ nuclear bound state energies are calculated for various nuclei neglecting any possible effects of the widths. Essential input for the calculations, namely the medium-modified $B$ and $B^{*}$ meson masses, as well as the density distributions in nuclei, are calculated within the quark-meson coupling (QMC) model. The attractive potentials for the $Υ$ and $η_b$ mesons in nuclei are calculated from the mass shifts of these mesons in nuclear matter in the local density approximation. These potentials originate from the in-medium enhanced $B\overline{B}$ and $BB^{*}$ loops in their respective self energy. After an extensive analysis we conclude that our results suggest that the $Υ$ and $η_b$ mesons should form bound states with all the nuclei considered.
