Evidence for B+->(K)over-bar(0)K(+) and B-0 -> K-0(K)over-bar(0), and measurement of the branching fraction and search for direct CP violation in B+-> K-0 pi(+)
We present evidence for the bâ†d penguin-dominated decays B+â†KÂ0K+ and B0â†K0KÂ0 in 227Ã-106 Î¥(4S)â†'BBÂdecays collected with the BABAR detector. We measure the branching fractions B(B+â†'KÂ0K+)= (1.5±0.5±0.1)Ã-10-6(<2.4Ã-10-6) and B(B0â†'K0KÂ0)=(1.19-0.35+0.40±0.13) Ã-10-...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Journal article |
Language: | English |
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2005
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author | Aubert, B Barate, R Boutigny, D Couderc, F Karyotakis, Y Lees, J Poireau, V Tisserand, V Zghiche, A Grauges, E Palano, A Pappagallo, M Pompili, A Chen, J Qi, N Rong, G Wang, P Zhu, Y Eigen, G Ofte, I Stugu, B Abrams, G Battaglia, M Breon, AB Brown, D |
author_facet | Aubert, B Barate, R Boutigny, D Couderc, F Karyotakis, Y Lees, J Poireau, V Tisserand, V Zghiche, A Grauges, E Palano, A Pappagallo, M Pompili, A Chen, J Qi, N Rong, G Wang, P Zhu, Y Eigen, G Ofte, I Stugu, B Abrams, G Battaglia, M Breon, AB Brown, D |
author_sort | Aubert, B |
collection | OXFORD |
description | We present evidence for the bâ†d penguin-dominated decays B+â†KÂ0K+ and B0â†K0KÂ0 in 227Ã-106 Î¥(4S)â†'BBÂdecays collected with the BABAR detector. We measure the branching fractions B(B+â†'KÂ0K+)= (1.5±0.5±0.1)Ã-10-6(<2.4Ã-10-6) and B(B0â†'K0KÂ0)=(1.19-0.35+0.40±0.13) Ã-10-6, where the uncertainties are statistical and systematic, respectively. We also present improved measurements of the charge-averaged branching fraction B(B+â†'K0Ï€+)=(26.0±1. 3±1.0)Ã-10-6 and CP-violating charge asymmetry ACP(K0Ï€+)=-0.09±0.05±0.01, where the uncertainties are statistical and systematic, respectively. © 2005 The American Physical Society. |
first_indexed | 2024-03-06T23:50:50Z |
format | Journal article |
id | oxford-uuid:72893a84-6073-4ca4-8b54-fe82a1a2659e |
institution | University of Oxford |
language | English |
last_indexed | 2024-03-06T23:50:50Z |
publishDate | 2005 |
record_format | dspace |
spelling | oxford-uuid:72893a84-6073-4ca4-8b54-fe82a1a2659e2022-03-26T19:50:49ZEvidence for B+->(K)over-bar(0)K(+) and B-0 -> K-0(K)over-bar(0), and measurement of the branching fraction and search for direct CP violation in B+-> K-0 pi(+)Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:72893a84-6073-4ca4-8b54-fe82a1a2659eEnglishSymplectic Elements at Oxford2005Aubert, BBarate, RBoutigny, DCouderc, FKaryotakis, YLees, JPoireau, VTisserand, VZghiche, AGrauges, EPalano, APappagallo, MPompili, AChen, JQi, NRong, GWang, PZhu, YEigen, GOfte, IStugu, BAbrams, GBattaglia, MBreon, ABBrown, DWe present evidence for the bâ†d penguin-dominated decays B+â†KÂ0K+ and B0â†K0KÂ0 in 227Ã-106 Î¥(4S)â†'BBÂdecays collected with the BABAR detector. We measure the branching fractions B(B+â†'KÂ0K+)= (1.5±0.5±0.1)Ã-10-6(<2.4Ã-10-6) and B(B0â†'K0KÂ0)=(1.19-0.35+0.40±0.13) Ã-10-6, where the uncertainties are statistical and systematic, respectively. We also present improved measurements of the charge-averaged branching fraction B(B+â†'K0Ï€+)=(26.0±1. 3±1.0)Ã-10-6 and CP-violating charge asymmetry ACP(K0Ï€+)=-0.09±0.05±0.01, where the uncertainties are statistical and systematic, respectively. © 2005 The American Physical Society. |
spellingShingle | Aubert, B Barate, R Boutigny, D Couderc, F Karyotakis, Y Lees, J Poireau, V Tisserand, V Zghiche, A Grauges, E Palano, A Pappagallo, M Pompili, A Chen, J Qi, N Rong, G Wang, P Zhu, Y Eigen, G Ofte, I Stugu, B Abrams, G Battaglia, M Breon, AB Brown, D Evidence for B+->(K)over-bar(0)K(+) and B-0 -> K-0(K)over-bar(0), and measurement of the branching fraction and search for direct CP violation in B+-> K-0 pi(+) |
title | Evidence for B+->(K)over-bar(0)K(+) and B-0 -> K-0(K)over-bar(0), and measurement of the branching fraction and search for direct CP violation in B+-> K-0 pi(+) |
title_full | Evidence for B+->(K)over-bar(0)K(+) and B-0 -> K-0(K)over-bar(0), and measurement of the branching fraction and search for direct CP violation in B+-> K-0 pi(+) |
title_fullStr | Evidence for B+->(K)over-bar(0)K(+) and B-0 -> K-0(K)over-bar(0), and measurement of the branching fraction and search for direct CP violation in B+-> K-0 pi(+) |
title_full_unstemmed | Evidence for B+->(K)over-bar(0)K(+) and B-0 -> K-0(K)over-bar(0), and measurement of the branching fraction and search for direct CP violation in B+-> K-0 pi(+) |
title_short | Evidence for B+->(K)over-bar(0)K(+) and B-0 -> K-0(K)over-bar(0), and measurement of the branching fraction and search for direct CP violation in B+-> K-0 pi(+) |
title_sort | evidence for b gt k over bar 0 k and b 0 gt k 0 k over bar 0 and measurement of the branching fraction and search for direct cp violation in b gt k 0 pi |
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