Determination of weak phases $ϕ_2$ and $ϕ_3$ from $B\to ππ,Kπ$ in the pQCD method
| dc.creator | Keum, Yong-Yeon | |
| dc.date | 2002-09-18 | |
| dc.date | 2002-10-04 | |
| dc.date.accessioned | 2026-07-07T03:47:59Z | |
| dc.date.available | 2026-07-07T03:47:59Z | |
| dc.description | We look at two methods to determine the weak phases $ϕ_2$ and $ϕ_3$ from $B \to ππ$ and $Kπ$ decays within the perturbative QCD approach. We obtain quite interesting bounds on $ϕ_2$ and $ϕ_3$ from experimental measurements in asymmetric B-factory: $55^o \leq ϕ_2 \leq 100^o$ and $51^o \leq ϕ_3 \leq 129^o$. Specially we predict the possibility of large direct CP violation effect in $B^0 \to π^{+}π^{-}$ decay with $A_{cp}^{dir}(B\to π^{+} π^{-})=(23\pm7)$ %. | |
| dc.description | 4 pages, Revtex, 3 figures, typos corrected, (Accepted in Phys. Rev. Lett.) | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0209208 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0209208 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/41834 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Determination of weak phases $ϕ_2$ and $ϕ_3$ from $B\to ππ,Kπ$ in the pQCD method | |
| dc.type | text |