B和D介子衰变常数
B and D Meson Decay Constants
摘要:
本文对非猝灭2+1味QCD中D、D_s、B和B_s介子衰变常数的计算结果进行了更新。我们使用改进的交错规范合奏在晶格间距0.09,0.12和0.15 fm,三叶草重夸克与费米实验室归一化,并改进交错轻价夸克的MILC库。
英文摘要:
We present an update of our calculations of the decay constants of the D, D_s, B, and B_s mesons in unquenched 2+1 flavor QCD. We use the MILC library of improved staggered gauge ensembles at lattice spacings 0.09, 0.12, and 0.15 fm, clover heavy quarks with the Fermilab normalizations, and improved staggered light valence quarks.
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