CP Asymmetry A_{ψK_S}, \sin 2β, the Sign of ΔM_B and the Physics Beyond the Standard Model
| dc.creator | Blanke, Monika | |
| dc.creator | Buras, Andrzej J. | |
| dc.date | 2004-12-14 | |
| dc.date | 2004-12-22 | |
| dc.date.accessioned | 2026-07-07T03:54:05Z | |
| dc.date.available | 2026-07-07T03:54:05Z | |
| dc.description | We demonstrate that the sign of the B^0-\bar B^0 mass difference ΔM_B is irrelevant for the extraction of the angle β=ϕ_1 of the unitarity triangle from the CP asymmetry A_{ψK_S}. Only the weak phase in the mixing amplitude M_{12} matters. Consequently the extraction of \sin 2βdone by BaBar and Belle can only be affected by new weak phases in M_{12} in the extensions of the SM and possibly but unlikely by new physics contributions to the decay amplitude. | |
| dc.description | 6 pages, Text slightly modified, Few references added, Conclusions unchanged | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0412195 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0412195 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/44096 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | CP Asymmetry A_{ψK_S}, \sin 2β, the Sign of ΔM_B and the Physics Beyond the Standard Model | |
| dc.type | text |