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arXiv 1004.2661hep-lat
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订单$1/m$的HQET:II。猝灭近似下的光谱学

HQET at order $1/m$: II. Spectroscopy in the quenched approximation

Benoît Blossier, Michele Della Morte, Nicolas Garron, Georg von Hippel, Tereza Mendes, Hubert Simma, Rainer Sommer

摘要:

利用重夸克有效理论和非微扰确定参数的猝灭格点计算方法,计算了$B_s$系统基态和前两个径向激发态之间的静态劈裂.我们还确定了第一激发态和基态之间的分裂,以及$B_s^*$和$B_s$基态之间的分裂,以有序化$1/m_b$。广义特征值问题和使用所有的传播是我们的方法的重要组成部分。

英文摘要:

Using Heavy Quark Effective Theory with non-perturbatively determined parameters in a quenched lattice calculation, we evaluate the splittings between the ground state and the first two radially excited states of the $B_s$ system at static order. We also determine the splitting between first excited and ground state, and between the $B_s^*$ and $B_s$ ground states to order $1/m_b$. The Generalized Eigenvalue Problem and the use of all-to-all propagators are important ingredients of our approach.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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