Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0)
We analyze 230.4fb-1 of data collected with the BABAR detector at the PEP-II e+e- collider at SLAC to search for evidence of D0-D̄0 mixing using regions of phase space in the decay D0→K+π-π0. We measure the time-integrated mixing rate RM=(0.023-0.014+0.018(stat.)±0.004(syst.))%, and RM<0.054%...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Journal article |
Language: | English |
Published: |
2006
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author | Aubert, B Barate, R Bona, M Boutigny, D Couderc, F Karyotakis, Y Lees, J Poireau, V Tisserand, V Zghiche, A Grauges, E Palano, A Chen, J Qi, N Rong, G Wang, P Zhu, Y Eigen, G Ofte, I Stugu, B Abrams, G Battaglia, M Brown, D Button-Shafer, J Cahn, R |
author_facet | Aubert, B Barate, R Bona, M Boutigny, D Couderc, F Karyotakis, Y Lees, J Poireau, V Tisserand, V Zghiche, A Grauges, E Palano, A Chen, J Qi, N Rong, G Wang, P Zhu, Y Eigen, G Ofte, I Stugu, B Abrams, G Battaglia, M Brown, D Button-Shafer, J Cahn, R |
author_sort | Aubert, B |
collection | OXFORD |
description | We analyze 230.4fb-1 of data collected with the BABAR detector at the PEP-II e+e- collider at SLAC to search for evidence of D0-D̄0 mixing using regions of phase space in the decay D0→K+π-π0. We measure the time-integrated mixing rate RM=(0.023-0.014+0.018(stat.)±0.004(syst.))%, and RM<0.054% at the 95% confidence level, assuming CP invariance. The data are consistent with no mixing at the 4.5% confidence level. We also measure the branching ratio for D0→K+π-π0 relative to D0→K-π+π0 to be (0.214±0.008(stat.)±0.008(syst.))%. © 2006 The American Physical Society. |
first_indexed | 2024-03-07T03:17:25Z |
format | Journal article |
id | oxford-uuid:b645af3b-f8d8-49e9-b36c-6ccbd93447ae |
institution | University of Oxford |
language | English |
last_indexed | 2024-03-07T03:17:25Z |
publishDate | 2006 |
record_format | dspace |
spelling | oxford-uuid:b645af3b-f8d8-49e9-b36c-6ccbd93447ae2022-03-27T04:39:46ZSearch for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0)Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b645af3b-f8d8-49e9-b36c-6ccbd93447aeEnglishSymplectic Elements at Oxford2006Aubert, BBarate, RBona, MBoutigny, DCouderc, FKaryotakis, YLees, JPoireau, VTisserand, VZghiche, AGrauges, EPalano, AChen, JQi, NRong, GWang, PZhu, YEigen, GOfte, IStugu, BAbrams, GBattaglia, MBrown, DButton-Shafer, JCahn, RWe analyze 230.4fb-1 of data collected with the BABAR detector at the PEP-II e+e- collider at SLAC to search for evidence of D0-D̄0 mixing using regions of phase space in the decay D0→K+π-π0. We measure the time-integrated mixing rate RM=(0.023-0.014+0.018(stat.)±0.004(syst.))%, and RM<0.054% at the 95% confidence level, assuming CP invariance. The data are consistent with no mixing at the 4.5% confidence level. We also measure the branching ratio for D0→K+π-π0 relative to D0→K-π+π0 to be (0.214±0.008(stat.)±0.008(syst.))%. © 2006 The American Physical Society. |
spellingShingle | Aubert, B Barate, R Bona, M Boutigny, D Couderc, F Karyotakis, Y Lees, J Poireau, V Tisserand, V Zghiche, A Grauges, E Palano, A Chen, J Qi, N Rong, G Wang, P Zhu, Y Eigen, G Ofte, I Stugu, B Abrams, G Battaglia, M Brown, D Button-Shafer, J Cahn, R Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0) |
title | Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0) |
title_full | Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0) |
title_fullStr | Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0) |
title_full_unstemmed | Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0) |
title_short | Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0) |
title_sort | search for d 0 d over bar 0 mixing and branching ratio measurement in the decay d 0 gt k pi pi 0 |
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