Search for b -> u transitions in B-->[K+pi(-)pi(0)](D)K-
We search for decays of a B meson into a neutral D meson and a charged kaon, with the D meson decaying into a charged kaon, a charged pion, and a neutral pion. This final state can be reached through the b→c transition B-→D0K- followed by the doubly Cabibbo-suppressed D0→K+π-π0, or the b→u transitio...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Format: | Journal article |
| Language: | English |
| Published: |
2007
|
| _version_ | 1797098986742480896 |
|---|---|
| author | Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, J Poireau, V Prudent, X Tisserand, V Zghiche, A Garra Tico, J Grauges, E Lopez, L Palano, A Eigen, G Stugu, B Sun, L Abrams, G Battaglia, M Brown, D Button-Shafer, J Cahn, R Groysman, Y Jacobsen, R Kadyk, J Kerth, LT |
| author_facet | Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, J Poireau, V Prudent, X Tisserand, V Zghiche, A Garra Tico, J Grauges, E Lopez, L Palano, A Eigen, G Stugu, B Sun, L Abrams, G Battaglia, M Brown, D Button-Shafer, J Cahn, R Groysman, Y Jacobsen, R Kadyk, J Kerth, LT |
| author_sort | Aubert, B |
| collection | OXFORD |
| description | We search for decays of a B meson into a neutral D meson and a charged kaon, with the D meson decaying into a charged kaon, a charged pion, and a neutral pion. This final state can be reached through the b→c transition B-→D0K- followed by the doubly Cabibbo-suppressed D0→K+π-π0, or the b→u transition B-→D̄0K- followed by the Cabibbo-favored D̄0→K+π-π0. The interference of these two amplitudes is sensitive to the angle γ of the unitarity triangle. We present results based on 226×106 e+e-→Υ(4S)→BB̄ events collected with the BABAR detector at SLAC. We find no significant evidence for these decays and we set a limit RADS≡Γ([K+π-π0]DK-)+Γ([K-π+π0]DK+) Γ([K+π-π0]DK+)+Γ([K-π+π0]DK-)<0.039 at 95% confidence level, which we translate with a Bayesian approach into rB≡|A(B- →D̄0K-)/A(B-→D0K-)|<0.19 at 95% confidence level. © 2007 The American Physical Society. |
| first_indexed | 2024-03-07T05:17:22Z |
| format | Journal article |
| id | oxford-uuid:ddad328c-2275-4a1a-a468-140077574d4b |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T05:17:22Z |
| publishDate | 2007 |
| record_format | dspace |
| spelling | oxford-uuid:ddad328c-2275-4a1a-a468-140077574d4b2022-03-27T09:26:50ZSearch for b -> u transitions in B-->[K+pi(-)pi(0)](D)K-Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ddad328c-2275-4a1a-a468-140077574d4bEnglishSymplectic Elements at Oxford2007Aubert, BBona, MBoutigny, DKaryotakis, YLees, JPoireau, VPrudent, XTisserand, VZghiche, AGarra Tico, JGrauges, ELopez, LPalano, AEigen, GStugu, BSun, LAbrams, GBattaglia, MBrown, DButton-Shafer, JCahn, RGroysman, YJacobsen, RKadyk, JKerth, LTWe search for decays of a B meson into a neutral D meson and a charged kaon, with the D meson decaying into a charged kaon, a charged pion, and a neutral pion. This final state can be reached through the b→c transition B-→D0K- followed by the doubly Cabibbo-suppressed D0→K+π-π0, or the b→u transition B-→D̄0K- followed by the Cabibbo-favored D̄0→K+π-π0. The interference of these two amplitudes is sensitive to the angle γ of the unitarity triangle. We present results based on 226×106 e+e-→Υ(4S)→BB̄ events collected with the BABAR detector at SLAC. We find no significant evidence for these decays and we set a limit RADS≡Γ([K+π-π0]DK-)+Γ([K-π+π0]DK+) Γ([K+π-π0]DK+)+Γ([K-π+π0]DK-)<0.039 at 95% confidence level, which we translate with a Bayesian approach into rB≡|A(B- →D̄0K-)/A(B-→D0K-)|<0.19 at 95% confidence level. © 2007 The American Physical Society. |
| spellingShingle | Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, J Poireau, V Prudent, X Tisserand, V Zghiche, A Garra Tico, J Grauges, E Lopez, L Palano, A Eigen, G Stugu, B Sun, L Abrams, G Battaglia, M Brown, D Button-Shafer, J Cahn, R Groysman, Y Jacobsen, R Kadyk, J Kerth, LT Search for b -> u transitions in B-->[K+pi(-)pi(0)](D)K- |
| title | Search for b -> u transitions in B-->[K+pi(-)pi(0)](D)K- |
| title_full | Search for b -> u transitions in B-->[K+pi(-)pi(0)](D)K- |
| title_fullStr | Search for b -> u transitions in B-->[K+pi(-)pi(0)](D)K- |
| title_full_unstemmed | Search for b -> u transitions in B-->[K+pi(-)pi(0)](D)K- |
| title_short | Search for b -> u transitions in B-->[K+pi(-)pi(0)](D)K- |
| title_sort | search for b gt u transitions in b gt k pi pi 0 d k |
| work_keys_str_mv | AT aubertb searchforbgtutransitionsinbgtkpipi0dk AT bonam searchforbgtutransitionsinbgtkpipi0dk AT boutignyd searchforbgtutransitionsinbgtkpipi0dk AT karyotakisy searchforbgtutransitionsinbgtkpipi0dk AT leesj searchforbgtutransitionsinbgtkpipi0dk AT poireauv searchforbgtutransitionsinbgtkpipi0dk AT prudentx searchforbgtutransitionsinbgtkpipi0dk AT tisserandv searchforbgtutransitionsinbgtkpipi0dk AT zghichea searchforbgtutransitionsinbgtkpipi0dk AT garraticoj searchforbgtutransitionsinbgtkpipi0dk AT graugese searchforbgtutransitionsinbgtkpipi0dk AT lopezl searchforbgtutransitionsinbgtkpipi0dk AT palanoa searchforbgtutransitionsinbgtkpipi0dk AT eigeng searchforbgtutransitionsinbgtkpipi0dk AT stugub searchforbgtutransitionsinbgtkpipi0dk AT sunl searchforbgtutransitionsinbgtkpipi0dk AT abramsg searchforbgtutransitionsinbgtkpipi0dk AT battagliam searchforbgtutransitionsinbgtkpipi0dk AT brownd searchforbgtutransitionsinbgtkpipi0dk AT buttonshaferj searchforbgtutransitionsinbgtkpipi0dk AT cahnr searchforbgtutransitionsinbgtkpipi0dk AT groysmany searchforbgtutransitionsinbgtkpipi0dk AT jacobsenr searchforbgtutransitionsinbgtkpipi0dk AT kadykj searchforbgtutransitionsinbgtkpipi0dk AT kerthlt searchforbgtutransitionsinbgtkpipi0dk |