Hadronic contributions to from the lattice
โ Scribed by T. Blum; S. Chowdhury
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 666 KB
- Volume
- 189
- Category
- Article
- ISSN
- 0920-5632
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๐ SIMILAR VOLUMES
We discuss strategies to determine hadronic decay couplings from lattice studies. As an application, we explore the decay of a vector meson to two pseudoscalar mesons with Nf = 2 flavours of sea quark. Although we are working with quark masses that do not allow a physical decay, we show how the tran
I present a method for evaluating the hadronic vacuum polarization contribution below 1 GeV to a, which relies on analyticity, unitarity and chiral symmetry, as well as on data. The main advantage is that in the region just above threshold, where data are either scarce or have large errors, these th