Determination of Strong-Phase Parameters in D→KS,L0π+π−
We report the most precise measurements to date of the strong-phase parameters between D0 and D¯ 0 decays to K0S;Lπþπ− using a sample of 2.93 fb−1 of eþe− annihilation data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider. Our results provide the key...
| Main Authors: | , , |
|---|---|
| Format: | Journal article |
| Language: | English |
| Published: |
American Physical Society
2020
|
| _version_ | 1826263899642527744 |
|---|---|
| author | L, Li Malde, S Wilkinson, G |
| author_facet | L, Li Malde, S Wilkinson, G |
| author_sort | L, Li |
| collection | OXFORD |
| description | We report the most precise measurements to date of the strong-phase parameters between D0 and D¯ 0 decays to K0S;Lπþπ− using a sample of 2.93 fb−1 of eþe− annihilation data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider. Our results provide the key inputs for a binned model-independent determination of the Cabibbo-Kobayashi-Maskawa angle γ=ϕ3 with B decays. Using our results, the decay model sensitivity to the γ=ϕ3 measurement is expected to be between 0.7° and 1.2°, approximately a factor of three smaller than that achievable with previous measurements, based on the studies of the simulated data. The improved precision of this work ensures that measurements of γ=ϕ3 will not be limited by knowledge of strong phases for the next decade. Furthermore, our results provide critical input for other flavor-physics investigations, including charm mixing, other measurements of CP violation, and the measurement of strong-phase parameters for other D-decay modes. |
| first_indexed | 2024-03-06T19:59:13Z |
| format | Journal article |
| id | oxford-uuid:26b1d68f-1e28-414c-9ac6-20eabe28f3ac |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T19:59:13Z |
| publishDate | 2020 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | oxford-uuid:26b1d68f-1e28-414c-9ac6-20eabe28f3ac2022-03-26T12:02:31ZDetermination of Strong-Phase Parameters in D→KS,L0π+π−Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:26b1d68f-1e28-414c-9ac6-20eabe28f3acEnglishSymplectic ElementsAmerican Physical Society 2020L, LiMalde, SWilkinson, GWe report the most precise measurements to date of the strong-phase parameters between D0 and D¯ 0 decays to K0S;Lπþπ− using a sample of 2.93 fb−1 of eþe− annihilation data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider. Our results provide the key inputs for a binned model-independent determination of the Cabibbo-Kobayashi-Maskawa angle γ=ϕ3 with B decays. Using our results, the decay model sensitivity to the γ=ϕ3 measurement is expected to be between 0.7° and 1.2°, approximately a factor of three smaller than that achievable with previous measurements, based on the studies of the simulated data. The improved precision of this work ensures that measurements of γ=ϕ3 will not be limited by knowledge of strong phases for the next decade. Furthermore, our results provide critical input for other flavor-physics investigations, including charm mixing, other measurements of CP violation, and the measurement of strong-phase parameters for other D-decay modes. |
| spellingShingle | L, Li Malde, S Wilkinson, G Determination of Strong-Phase Parameters in D→KS,L0π+π− |
| title | Determination of Strong-Phase Parameters in D→KS,L0π+π− |
| title_full | Determination of Strong-Phase Parameters in D→KS,L0π+π− |
| title_fullStr | Determination of Strong-Phase Parameters in D→KS,L0π+π− |
| title_full_unstemmed | Determination of Strong-Phase Parameters in D→KS,L0π+π− |
| title_short | Determination of Strong-Phase Parameters in D→KS,L0π+π− |
| title_sort | determination of strong phase parameters in d ks l0π π |
| work_keys_str_mv | AT lli determinationofstrongphaseparametersindksl0pp AT maldes determinationofstrongphaseparametersindksl0pp AT wilkinsong determinationofstrongphaseparametersindksl0pp |