Measurement of the charge asymmetry in semileptonic Bs0 decays.
We have performed the first direct measurement of the time-integrated flavor untagged charge asymmetry in semileptonic Bs0 decays ASLs,unt by comparing the decay rate of Bs0-->micro+Ds-nuX, where Ds- -->phipi- and phi-->K+K-, with the charge-conjugate Bs0 decay rate. This sample...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
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2007
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| _version_ | 1797068390304579584 |
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| author | Abazov, V Abbott, B Abolins, M Acharya, B Adams, M Adams, T Aguilo, E Ahn, S Ahsan, M Alexeev, G Alkhazov, G Alton, A Alverson, G Alves, G Anastasoaie, M Ancu, L Andeen, T Anderson, S Andrieu, B Anzelc, MS Arnoud, Y Arov, M Askew, A Asman, B Assis Jesus, A |
| author_facet | Abazov, V Abbott, B Abolins, M Acharya, B Adams, M Adams, T Aguilo, E Ahn, S Ahsan, M Alexeev, G Alkhazov, G Alton, A Alverson, G Alves, G Anastasoaie, M Ancu, L Andeen, T Anderson, S Andrieu, B Anzelc, MS Arnoud, Y Arov, M Askew, A Asman, B Assis Jesus, A |
| author_sort | Abazov, V |
| collection | OXFORD |
| description | We have performed the first direct measurement of the time-integrated flavor untagged charge asymmetry in semileptonic Bs0 decays ASLs,unt by comparing the decay rate of Bs0-->micro+Ds-nuX, where Ds- -->phipi- and phi-->K+K-, with the charge-conjugate Bs0 decay rate. This sample was selected from 1.3 fb-1 of data collected by the D0 experiment in run II of the Fermilab Tevatron collider. We obtain ASLs,unt=[1.23+/-0.97(stat)+/-0.17(syst)]x10(-2). Assuming that Deltam(s)/Gamma(s)>>1, this result can be translated into a measurement of the CP-violating phase in Bs0 mixing: DeltaGamma(s)/Deltam(s)tanphi(s)=[2.45+/-1.93(stat)+/-0.35(syst)]x10(-2). |
| first_indexed | 2024-03-06T22:10:05Z |
| format | Journal article |
| id | oxford-uuid:5181f9c2-3e95-4af3-914b-77268ee7d1fe |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T22:10:05Z |
| publishDate | 2007 |
| record_format | dspace |
| spelling | oxford-uuid:5181f9c2-3e95-4af3-914b-77268ee7d1fe2022-03-26T16:20:00ZMeasurement of the charge asymmetry in semileptonic Bs0 decays.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:5181f9c2-3e95-4af3-914b-77268ee7d1feEnglishSymplectic Elements at Oxford2007Abazov, VAbbott, BAbolins, MAcharya, BAdams, MAdams, TAguilo, EAhn, SAhsan, MAlexeev, GAlkhazov, GAlton, AAlverson, GAlves, GAnastasoaie, MAncu, LAndeen, TAnderson, SAndrieu, BAnzelc, MSArnoud, YArov, MAskew, AAsman, BAssis Jesus, AWe have performed the first direct measurement of the time-integrated flavor untagged charge asymmetry in semileptonic Bs0 decays ASLs,unt by comparing the decay rate of Bs0-->micro+Ds-nuX, where Ds- -->phipi- and phi-->K+K-, with the charge-conjugate Bs0 decay rate. This sample was selected from 1.3 fb-1 of data collected by the D0 experiment in run II of the Fermilab Tevatron collider. We obtain ASLs,unt=[1.23+/-0.97(stat)+/-0.17(syst)]x10(-2). Assuming that Deltam(s)/Gamma(s)>>1, this result can be translated into a measurement of the CP-violating phase in Bs0 mixing: DeltaGamma(s)/Deltam(s)tanphi(s)=[2.45+/-1.93(stat)+/-0.35(syst)]x10(-2). |
| spellingShingle | Abazov, V Abbott, B Abolins, M Acharya, B Adams, M Adams, T Aguilo, E Ahn, S Ahsan, M Alexeev, G Alkhazov, G Alton, A Alverson, G Alves, G Anastasoaie, M Ancu, L Andeen, T Anderson, S Andrieu, B Anzelc, MS Arnoud, Y Arov, M Askew, A Asman, B Assis Jesus, A Measurement of the charge asymmetry in semileptonic Bs0 decays. |
| title | Measurement of the charge asymmetry in semileptonic Bs0 decays. |
| title_full | Measurement of the charge asymmetry in semileptonic Bs0 decays. |
| title_fullStr | Measurement of the charge asymmetry in semileptonic Bs0 decays. |
| title_full_unstemmed | Measurement of the charge asymmetry in semileptonic Bs0 decays. |
| title_short | Measurement of the charge asymmetry in semileptonic Bs0 decays. |
| title_sort | measurement of the charge asymmetry in semileptonic bs0 decays |
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