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[12.23]The hadronic light-by-light contribution to muon g-2 from lattice QCD
文章来源:  |  发布时间:2016-12-12  |  浏览:

                                                 Seminar 

Title: The hadronic light-by-light contribution to muon g-2 from lattice QCD

 

Speaker: Dr. Luchang Jin(靳路昶) (Brookhaven National Lab) 

Time: 10:00AM, Dec. 23rd (Friday)

Place: Theoretical Physics Division,319

Abstract: The current measurement of muonic g-2 disagrees with the theoretical calculation by about 3 standard deviations. Hadronic vacuum polarization (HVP) and hadronic light by light (HLbL) are the two types of processes that contribute most to the theoretical uncertainty. The current value for HLbL is still given by models. We report our latest lattice calculation of hadronic light-by-light contribution to muon g-2 using our recent developed moment method. The connected diagrams and the leading disconnected diagrams are included. The calculation is performed on a 48^3 × 96 lattice with physical pion mass and 5.5 fm box size. We expect sizable finite volume and finite lattice spacing corrections to the results of these calculations which will be estimated in calculations to be carried out over the next 1-2years.

Vidyo: http://vidyo.ihep.ac.cn/flex.html?roomdirect.html&key=MIYnttR57DSWlfYMvF7gr6uXY       

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附件
ihep2016.12.23.pdf
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