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On measuring CP violation in neutral B-meson decays at the $\Upsilon$ (4S) resonance
Within the standard model we carry out an analysis of CP-violating observables in neutral B-meson decays at the \Upsilon (4S) resonance. Both time-dependent and time-integrated CP asymmetries are calculated, without special approximations, to meet various possible measurements at symmetric and asymm...
Autores principales: | , , |
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Lenguaje: | eng |
Publicado: |
1994
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(94)91507-5 http://cds.cern.ch/record/264384 |
_version_ | 1780886496781271040 |
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author | Fritzsch, Harald Wu, Dan-Di Xing, Zhi-Zhong |
author_facet | Fritzsch, Harald Wu, Dan-Di Xing, Zhi-Zhong |
author_sort | Fritzsch, Harald |
collection | CERN |
description | Within the standard model we carry out an analysis of CP-violating observables in neutral B-meson decays at the \Upsilon (4S) resonance. Both time-dependent and time-integrated CP asymmetries are calculated, without special approximations, to meet various possible measurements at symmetric and asymmetric e^{+}e^{-} B factories. We show two ways to distinguish between direct and indirect CP-violating effects in the CP-eigenstate channels such as B^{0}_{d}/\bar{B}^{0}_{d}\rightarrow \pi^{+}\pi^{-} and \pi^{0} K_{S}. Reliable knowledge of the Cabibbo-Kobayashi-Maskawa phase and angles can in principle be extracted from measurements of some non-CP-eigenstate channels, e.g. B^{0}_{d}/\bar{B}^{0}_{d}\rig htarrow D^{\pm}\pi^{\mp} and \stackrel{(-)}{D}^{(*)0}K_{S}, even in the presence of significant final-state interactions. |
id | cern-264384 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 1994 |
record_format | invenio |
spelling | cern-2643842023-03-14T20:45:16Zdoi:10.1016/0370-2693(94)91507-5http://cds.cern.ch/record/264384engFritzsch, HaraldWu, Dan-DiXing, Zhi-ZhongOn measuring CP violation in neutral B-meson decays at the $\Upsilon$ (4S) resonanceParticle Physics - PhenomenologyWithin the standard model we carry out an analysis of CP-violating observables in neutral B-meson decays at the \Upsilon (4S) resonance. Both time-dependent and time-integrated CP asymmetries are calculated, without special approximations, to meet various possible measurements at symmetric and asymmetric e^{+}e^{-} B factories. We show two ways to distinguish between direct and indirect CP-violating effects in the CP-eigenstate channels such as B^{0}_{d}/\bar{B}^{0}_{d}\rightarrow \pi^{+}\pi^{-} and \pi^{0} K_{S}. Reliable knowledge of the Cabibbo-Kobayashi-Maskawa phase and angles can in principle be extracted from measurements of some non-CP-eigenstate channels, e.g. B^{0}_{d}/\bar{B}^{0}_{d}\rig htarrow D^{\pm}\pi^{\mp} and \stackrel{(-)}{D}^{(*)0}K_{S}, even in the presence of significant final-state interactions.Within the standard model we carry out an analysis of $CP$-violating observables in neutral $B$-meson decays at the $\Upsilon (4S)$ resonance. Both time-dependent and time-integrated $CP$ asymmetries are calculated, without special approximations, to meet various possible measurements at symmetric and asymmetric $e~{+}e~{-}$ $B$ factories. We show two ways to distinguish between direct and indirect $CP$-violating effects in the $CP$-eigenstate channels such as $B~{0}_{d}/\bar{B}~{0}_{d}\rightarrow \pi~{+}\pi~{-}$ and $\pi~{0} K_{S}$. Reliable knowledge of the Cabibbo-Kobayashi-Maskawa phase and angles can in principle be extracted from measurements of some non-$CP$-eigenstate channels, e.g. $B~{0}_{d}/\bar{B}~{0}_{d}\rightarrow D~{\pm}\pi~{\mp}$ and $\stackrel{(-)}{D}Within the standard model we carry out an analysis of $CP$-violating observables in neutral $B$-meson decays at the $\Upsilon (4S)$ resonance. Both time-dependent and time-integrated $CP$ asymmetries are calculated, without special approximations, to meet various possible measurements at symmetric and asymmetric $e~{+}e~{-}$ $B$ factories. We show two ways to distinguish between direct and indirect $CP$-violating effects in the $CP$-eigenstate channels such as $B~{0}_{d}/\bar{B}~{0}_{d}\rightarrow \pi~{+}\pi~{-}$ and $\pi~{0} K_{S}$. Reliable knowledge of the Cabibbo-Kobayashi-Maskawa phase and angles can in principle be extracted from measurements of some non-$CP$-eigenstate channels, e.g. $B~{0}_{d}/\bar{B}~{0}_{d}\rightarrow D~{\pm}\pi~{\mp}$ and $\stackrel{(-)}{D}~{(*)0}K_{S}$, even in the presence of significant final-state interactions.Within the standard model we carry out an analysis of $CP$-violating observables in neutral $B$-meson decays at the $\Upsilon (4S)$ resonance. Both time-dependent and time-integrated $CP$ asymmetries are calculated, without special approximations, to meet various possible measurements at symmetric and asymmetric $e~{+}e~{-}$ $B$ factories. We show two ways to distinguish between direct and indirect $CP$-violating effects in the $CP$-eigenstate channels such as $B~{0}_{d}/\bar{B}~{0}_{d}\rightarrow \pi~{+}\pi~{-}$ and $\pi~{0} K_{S}$. Reliable knowledge of the Cabibbo-Kobayashi-Maskawa phase and angles can in principle be extracted from measurements of some non-$CP$-eigenstate channels, e.g. $B~{0}_{d}/\bar{B}~{0}_{d}\rightarrow D~{\pm}\pi~{\mp}$ and $\stackrel{(-)}{D}~{(*)0}K_{S}$, even in the presence of significant final-state interactions.Within the standard model we carry out an analysis of $CP$-violating observables in neutral $B$-meson decays at the $\Upsilon (4S)$ resonance. Both time-dependent and time-integrated $CP$ asymmetries are calculated, without special approximations, to meet various possible measurements at symmetric and asymmetric $e~{+}e~{-}$ $B$ factories. We show two ways to distinguish between direct and indirect $CP$-violating effects in the $CP$-eigenstate channels such as $B~{0}_{d}/\bar{B}~{0}_{d}\rightarrow \pi~{+}\pi~{-}$ and $\pi~{0} K_{S}$. Reliable knowledge of the Cabibbo-Kobayashi-Maskawa phase and angles can in principle be extracted from measurements of some non-$CP$-eigenstate channels, e.g. $B~{0}_{d}/\bar{B}~{0}_{d}\rightarrow D~{\pm}\pi~{\mp}$ and $\stackrel{(-)}{D}~{(*)0}K_{S}$, even in the presence of significant final-state interactions.Within the standard model we carry out an analysis of CP -violating observables in neutral B -meson decays at the Γ (4S) resonance. Both time-dependent and time-integrated CP asymmetries are calculated, without special approximations, to meet various possible measurements at symmetric and asymmetric e + e − B factories. We show two ways to distinguish between direct and indirect CP -violating effects in the CP -eigenstate channels such as B d 0 B d 0 → π + π − and π 0 K S . Reliable knowledge of the Cabibbo-Kobayashi-Maskawa phase and angles can in principle be extracted from measurements of some non- CP -eigenstate channels, e.g. B d 0 B d 0 → D ± π ∓ and (−) D (∗)0 K S , even in the presence of significant final-state interactions.hep-ph/9406291CERN-TH-7194-94PVAMU-HEP-94-2CERN-TH-7194-94PVAMU-HEP-94-2MS-388oai:cds.cern.ch:2643841994-06-11 |
spellingShingle | Particle Physics - Phenomenology Fritzsch, Harald Wu, Dan-Di Xing, Zhi-Zhong On measuring CP violation in neutral B-meson decays at the $\Upsilon$ (4S) resonance |
title | On measuring CP violation in neutral B-meson decays at the $\Upsilon$ (4S) resonance |
title_full | On measuring CP violation in neutral B-meson decays at the $\Upsilon$ (4S) resonance |
title_fullStr | On measuring CP violation in neutral B-meson decays at the $\Upsilon$ (4S) resonance |
title_full_unstemmed | On measuring CP violation in neutral B-meson decays at the $\Upsilon$ (4S) resonance |
title_short | On measuring CP violation in neutral B-meson decays at the $\Upsilon$ (4S) resonance |
title_sort | on measuring cp violation in neutral b-meson decays at the $\upsilon$ (4s) resonance |
topic | Particle Physics - Phenomenology |
url | https://dx.doi.org/10.1016/0370-2693(94)91507-5 http://cds.cern.ch/record/264384 |
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