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| Hauptseite > Publikationsdatenbank > Leptonic decay-constant ratio $f_K/f_\pi$ from clover-improved $N_f=2+1$ QCD > print |
| Hauptseite > Publikationsdatenbank > Leptonic decay-constant ratio $f_K/f_\pi$ from clover-improved $N_f=2+1$ QCD > print |
| 001 | 825550 | ||
| 005 | 20210129225349.0 | ||
| 024 | 7 | _ | |a arXiv:1610.00932 |2 arXiv |
| 024 | 7 | _ | |a 2128/13434 |2 Handle |
| 024 | 7 | _ | |a altmetric:12429806 |2 altmetric |
| 037 | _ | _ | |a FZJ-2016-08011 |
| 100 | 1 | _ | |a Scholz, Enno E. |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 111 | 2 | _ | |a 34th International Symposium on Lattice Field Theory |g LATTICE2016 |c Southampton |d 2016-07-25 - 2016-07-30 |w UK |
| 245 | _ | _ | |a Leptonic decay-constant ratio $f_K/f_\pi$ from clover-improved $N_f=2+1$ QCD |
| 260 | _ | _ | |c 2016 |b Proceedings of Science |
| 300 | _ | _ | |a 283 |
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| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
| 336 | 7 | _ | |a INPROCEEDINGS |2 BibTeX |
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| 500 | _ | _ | |a PoS(LATTICE 2016)283 |
| 520 | _ | _ | |a The leptonic decay-constant ratio $f_K/f_\pi$ is calculated from lattice-QCD simulations using $N_f=2+1$ dynamical fermion flavors in the clover-improved formulation and 2-HEX smearing. The simulations were performed for a range of mass-degenerate light quarks including the physical point and at various lattice couplings and volumes, allowing to quantify all relevant sources of systematic uncertainties for our final number of the decay-constant ratio. Utilizing input from chiral perturbation theory, we also quote the charged decay-constant ratio $f_{K^\pm}/f_{\pi^\pm}$. With further input from super-allowed nuclear $\beta$-decays, eventually we obtain an estimate for the CKM-matrix element $V_{\rm us}$. |
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| 700 | 1 | _ | |a Durr, Stephan |0 P:(DE-Juel1)132580 |b 1 |e Corresponding author |
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