نتایج جستجو برای: lattice qcd
تعداد نتایج: 114816 فیلتر نتایج به سال:
I present a short overview of the NLO QCD calculations available for deep-inelastic production of heavy quarks.
We present a review of measurements of α S. The individual measurements are discussed and intermediate averages for classes of related measurements are found. The final average is built using the intermediate values. Correlations are treated consistently. The ICHEP 2006 world average is α S (m Z 0) = 0.1175 ± 0.0011 dominated by the recent result from lattice QCD.
In the last few years, lattice QCD has made a dramatic progress in understanding the physics of hadrons containing heavy quarks, from the first principle. This review summarises the major achievements.
The masses and dispersions of light hadrons are calculated in lattice QCD using an O(a) tadpole-improved gluon action and an O(a) tadpole-improved next-nearest-neighbor fermion action originally proposed by Hamber and Wu. Two lattices of constant volume with lattice spacings of approximately 0.40 fm and 0.24 fm are considered. The results reveal some scaling violations at the coarser lattice sp...
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