Measurement of the CKM angle γ from a combination of B± → Dh± analyses
A combination of three LHCb measurements of the CKM angle γ is presented. The decays B±→DK± and B±→Dπ± are used, where D denotes an admixture of D0 and D-0 mesons, decaying into K+K-, π+π-, K±π∓, K±π∓π±π∓, KS0π+π-, or KS0K+K- final states. All measurements use a dataset corresponding to 1.0 fb-1 of...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Format: | Journal article |
| Published: |
Elsevier
2013
|
| _version_ | 1797054609884184576 |
|---|---|
| author | Aaij, R Abellan Beteta, C Adeva, B Charles, M Gauld, R Gordon, H Greening, E Harnew, N Hill, D Hunt, P Hussain, N John, M Johnson, D Malde, S Meadows, B Nomerotski, A Powell, A Redford, S Smith, E Thomas, C Topp-Joergensen, S Torr, N Wilkinson, G LHCb Collaboration |
| author_facet | Aaij, R Abellan Beteta, C Adeva, B Charles, M Gauld, R Gordon, H Greening, E Harnew, N Hill, D Hunt, P Hussain, N John, M Johnson, D Malde, S Meadows, B Nomerotski, A Powell, A Redford, S Smith, E Thomas, C Topp-Joergensen, S Torr, N Wilkinson, G LHCb Collaboration |
| author_sort | Aaij, R |
| collection | OXFORD |
| description | A combination of three LHCb measurements of the CKM angle γ is presented. The decays B±→DK± and B±→Dπ± are used, where D denotes an admixture of D0 and D-0 mesons, decaying into K+K-, π+π-, K±π∓, K±π∓π±π∓, KS0π+π-, or KS0K+K- final states. All measurements use a dataset corresponding to 1.0 fb-1 of integrated luminosity. Combining results from B±→DK± decays alone a best-fit value of γ=72.0° is found, and confidence intervals are setγ∈[56.4,86.7]°at 68% CL,γ∈[42.6,99.6]°at 95% CL. The best-fit value of γ found from a combination of results from B±→Dπ± decays alone, is γ=18.9°, and the confidence intervalsγ∈[7.4,99.2]°∪[167.9,176.4]°at 68% CL are set, without constraint at 95% CL. The combination of results from B±→DK± and B±→Dπ± decays gives a best-fit value of γ=72.6° and the confidence intervalsγ∈[55.4,82.3]°at 68% CL,γ∈[40.2,92.7]°at 95% CL are set. All values are expressed modulo 180°, and are obtained taking into account the effect of D0-D-0 mixing. |
| first_indexed | 2024-03-06T18:59:37Z |
| format | Journal article |
| id | oxford-uuid:1310863d-47a1-45fa-ba7d-6e53f631d3e8 |
| institution | University of Oxford |
| last_indexed | 2024-03-06T18:59:37Z |
| publishDate | 2013 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | oxford-uuid:1310863d-47a1-45fa-ba7d-6e53f631d3e82022-03-26T10:11:45ZMeasurement of the CKM angle γ from a combination of B± → Dh± analysesJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:1310863d-47a1-45fa-ba7d-6e53f631d3e8Symplectic Elements at OxfordElsevier2013Aaij, RAbellan Beteta, CAdeva, BCharles, MGauld, RGordon, HGreening, EHarnew, NHill, DHunt, PHussain, NJohn, MJohnson, DMalde, SMeadows, BNomerotski, APowell, ARedford, SSmith, EThomas, CTopp-Joergensen, STorr, NWilkinson, GLHCb CollaborationA combination of three LHCb measurements of the CKM angle γ is presented. The decays B±→DK± and B±→Dπ± are used, where D denotes an admixture of D0 and D-0 mesons, decaying into K+K-, π+π-, K±π∓, K±π∓π±π∓, KS0π+π-, or KS0K+K- final states. All measurements use a dataset corresponding to 1.0 fb-1 of integrated luminosity. Combining results from B±→DK± decays alone a best-fit value of γ=72.0° is found, and confidence intervals are setγ∈[56.4,86.7]°at 68% CL,γ∈[42.6,99.6]°at 95% CL. The best-fit value of γ found from a combination of results from B±→Dπ± decays alone, is γ=18.9°, and the confidence intervalsγ∈[7.4,99.2]°∪[167.9,176.4]°at 68% CL are set, without constraint at 95% CL. The combination of results from B±→DK± and B±→Dπ± decays gives a best-fit value of γ=72.6° and the confidence intervalsγ∈[55.4,82.3]°at 68% CL,γ∈[40.2,92.7]°at 95% CL are set. All values are expressed modulo 180°, and are obtained taking into account the effect of D0-D-0 mixing. |
| spellingShingle | Aaij, R Abellan Beteta, C Adeva, B Charles, M Gauld, R Gordon, H Greening, E Harnew, N Hill, D Hunt, P Hussain, N John, M Johnson, D Malde, S Meadows, B Nomerotski, A Powell, A Redford, S Smith, E Thomas, C Topp-Joergensen, S Torr, N Wilkinson, G LHCb Collaboration Measurement of the CKM angle γ from a combination of B± → Dh± analyses |
| title | Measurement of the CKM angle γ from a combination of B± → Dh± analyses |
| title_full | Measurement of the CKM angle γ from a combination of B± → Dh± analyses |
| title_fullStr | Measurement of the CKM angle γ from a combination of B± → Dh± analyses |
| title_full_unstemmed | Measurement of the CKM angle γ from a combination of B± → Dh± analyses |
| title_short | Measurement of the CKM angle γ from a combination of B± → Dh± analyses |
| title_sort | measurement of the ckm angle γ from a combination of b dh analyses |
| work_keys_str_mv | AT aaijr measurementoftheckmanglegfromacombinationofbdhanalyses AT abellanbetetac measurementoftheckmanglegfromacombinationofbdhanalyses AT adevab measurementoftheckmanglegfromacombinationofbdhanalyses AT charlesm measurementoftheckmanglegfromacombinationofbdhanalyses AT gauldr measurementoftheckmanglegfromacombinationofbdhanalyses AT gordonh measurementoftheckmanglegfromacombinationofbdhanalyses AT greeninge measurementoftheckmanglegfromacombinationofbdhanalyses AT harnewn measurementoftheckmanglegfromacombinationofbdhanalyses AT hilld measurementoftheckmanglegfromacombinationofbdhanalyses AT huntp measurementoftheckmanglegfromacombinationofbdhanalyses AT hussainn measurementoftheckmanglegfromacombinationofbdhanalyses AT johnm measurementoftheckmanglegfromacombinationofbdhanalyses AT johnsond measurementoftheckmanglegfromacombinationofbdhanalyses AT maldes measurementoftheckmanglegfromacombinationofbdhanalyses AT meadowsb measurementoftheckmanglegfromacombinationofbdhanalyses AT nomerotskia measurementoftheckmanglegfromacombinationofbdhanalyses AT powella measurementoftheckmanglegfromacombinationofbdhanalyses AT redfords measurementoftheckmanglegfromacombinationofbdhanalyses AT smithe measurementoftheckmanglegfromacombinationofbdhanalyses AT thomasc measurementoftheckmanglegfromacombinationofbdhanalyses AT toppjoergensens measurementoftheckmanglegfromacombinationofbdhanalyses AT torrn measurementoftheckmanglegfromacombinationofbdhanalyses AT wilkinsong measurementoftheckmanglegfromacombinationofbdhanalyses AT lhcbcollaboration measurementoftheckmanglegfromacombinationofbdhanalyses |