$K^+\toπ^+ν\barν$ Beyond Leading Logs and $V_{td}$
| dc.creator | Buchalla, Gerhard | |
| dc.date | 1994-01-28 | |
| dc.date.accessioned | 2026-07-07T03:56:42Z | |
| dc.date.available | 2026-07-07T03:56:42Z | |
| dc.description | The calculation of QCD corrections beyond the leading logarithmic approximation for the short-distance dominated rare decay $K^+\toπ^+ν\barν$ is summarized. This analysis requires the complete ${\cal O}(α_s)$ corrections to the top contribution to all orders in the top-quark mass and a two-loop renormalization group (RG) calculation for the charm contribution. The inclusion of these QCD corrections reduces considerably the theoretical uncertainty in calculating $B(K^+\toπ^+ν\barν)$. Implications for the determination of $V_{td}$ from this decay are discussed. | |
| dc.description | 5 pages, MPI-PhT/94-3 | |
| dc.identifier | https://arxiv.org/abs/hep-ph/9401350 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/9401350 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/45088 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | $K^+\toπ^+ν\barν$ Beyond Leading Logs and $V_{td}$ | |
| dc.type | text |