A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons
The production fractions of charged and neutral b-hadrons in b-quark events from Z0 decays have been measured with the DELPHI detector at LEP. An algorithm has been developed, based on a neural network, to estimate the charge of the weakly-decaying b-hadron by distinguishing its decay products from...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2003
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| _version_ | 1797097312091111424 |
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| author | Abdallah, J Abreu, P Adam, W Adzic, P Albrecht, T Alderweireld, T Alemany-Fernandez, R Allmendinger, T Allport, P Amaldi, U Amapane, N Amato, S Anashkin, E Andreazza, E Andringa, S Anjos, N Antilogus, P Apel, W Arnoud, Y Ask, S Asman, B Augustin, J Augustinus, A Baillon, P Ballestrero, A |
| author_facet | Abdallah, J Abreu, P Adam, W Adzic, P Albrecht, T Alderweireld, T Alemany-Fernandez, R Allmendinger, T Allport, P Amaldi, U Amapane, N Amato, S Anashkin, E Andreazza, E Andringa, S Anjos, N Antilogus, P Apel, W Arnoud, Y Ask, S Asman, B Augustin, J Augustinus, A Baillon, P Ballestrero, A |
| author_sort | Abdallah, J |
| collection | OXFORD |
| description | The production fractions of charged and neutral b-hadrons in b-quark events from Z0 decays have been measured with the DELPHI detector at LEP. An algorithm has been developed, based on a neural network, to estimate the charge of the weakly-decaying b-hadron by distinguishing its decay products from particles produced at the primary vertex. From the data taken in the years 1994 and 1995, the fraction of b̄-quarks fragmenting into positively charged weakly-decaying b-hadrons has been measured to be: f+ = (42.09 ± 0.82(stat) ± 0.89(syst))%. Subtracting the rates for charged Ēb+ and Ω̄b+ baryons gives the production fraction of B+ mesons: fBu = (40.99 ± 0.82(stat) ± 1.11(syst))%. © 2003 Elsevier B.V. All rights reserved. |
| first_indexed | 2024-03-07T04:53:43Z |
| format | Journal article |
| id | oxford-uuid:d5dc84df-54f1-4054-a35d-01fbc6052024 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T04:53:43Z |
| publishDate | 2003 |
| record_format | dspace |
| spelling | oxford-uuid:d5dc84df-54f1-4054-a35d-01fbc60520242022-03-27T08:29:07ZA measurement of the branching fractions of the b-quark into charged and neutral b-hadronsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:d5dc84df-54f1-4054-a35d-01fbc6052024EnglishSymplectic Elements at Oxford2003Abdallah, JAbreu, PAdam, WAdzic, PAlbrecht, TAlderweireld, TAlemany-Fernandez, RAllmendinger, TAllport, PAmaldi, UAmapane, NAmato, SAnashkin, EAndreazza, EAndringa, SAnjos, NAntilogus, PApel, WArnoud, YAsk, SAsman, BAugustin, JAugustinus, ABaillon, PBallestrero, AThe production fractions of charged and neutral b-hadrons in b-quark events from Z0 decays have been measured with the DELPHI detector at LEP. An algorithm has been developed, based on a neural network, to estimate the charge of the weakly-decaying b-hadron by distinguishing its decay products from particles produced at the primary vertex. From the data taken in the years 1994 and 1995, the fraction of b̄-quarks fragmenting into positively charged weakly-decaying b-hadrons has been measured to be: f+ = (42.09 ± 0.82(stat) ± 0.89(syst))%. Subtracting the rates for charged Ēb+ and Ω̄b+ baryons gives the production fraction of B+ mesons: fBu = (40.99 ± 0.82(stat) ± 1.11(syst))%. © 2003 Elsevier B.V. All rights reserved. |
| spellingShingle | Abdallah, J Abreu, P Adam, W Adzic, P Albrecht, T Alderweireld, T Alemany-Fernandez, R Allmendinger, T Allport, P Amaldi, U Amapane, N Amato, S Anashkin, E Andreazza, E Andringa, S Anjos, N Antilogus, P Apel, W Arnoud, Y Ask, S Asman, B Augustin, J Augustinus, A Baillon, P Ballestrero, A A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons |
| title | A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons |
| title_full | A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons |
| title_fullStr | A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons |
| title_full_unstemmed | A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons |
| title_short | A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons |
| title_sort | measurement of the branching fractions of the b quark into charged and neutral b hadrons |
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