MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS
The average lifetime of b hadrons has been measured using the L3 detector at LEP, running at √s ≈ MZ. A b-enriched sample was obtained from 432538 hadronic Z events collected in 1990 and 1991 by tagging electrons and muons from semileptonic b hadron decays. From maximum likelihood fits to the electr...
| Auteurs principaux: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
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1993
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| _version_ | 1826295886275149824 |
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| author | Adriani, O Aguilarbenitez, M Ahlen, S Alcaraz, J Aloisio, A Alverson, G Alviggi, M Ambrosi, G An, Q Anderhub, H Anderson, A Andreev, V Angelescu, T Antonov, L Antreasyan, D Arce, P Arefiev, A Atamanchuk, A Azemoon, T Aziz, T Baba, P Bagnaia, P Bakken, J Ball, R Banerjee, S |
| author_facet | Adriani, O Aguilarbenitez, M Ahlen, S Alcaraz, J Aloisio, A Alverson, G Alviggi, M Ambrosi, G An, Q Anderhub, H Anderson, A Andreev, V Angelescu, T Antonov, L Antreasyan, D Arce, P Arefiev, A Atamanchuk, A Azemoon, T Aziz, T Baba, P Bagnaia, P Bakken, J Ball, R Banerjee, S |
| author_sort | Adriani, O |
| collection | OXFORD |
| description | The average lifetime of b hadrons has been measured using the L3 detector at LEP, running at √s ≈ MZ. A b-enriched sample was obtained from 432538 hadronic Z events collected in 1990 and 1991 by tagging electrons and muons from semileptonic b hadron decays. From maximum likelihood fits to the electron and muon impact parameter distributions, the average b hadron lifetime was measured to be τb = (1535 ± 35 ± 28) fs, where the first error is statistical and the second includes both the experimental and the theoretical systematic uncertainties. © 1993. |
| first_indexed | 2024-03-07T04:07:51Z |
| format | Journal article |
| id | oxford-uuid:c6d36bf8-b3f7-4ccf-bd33-be1359a404d5 |
| institution | University of Oxford |
| last_indexed | 2024-03-07T04:07:51Z |
| publishDate | 1993 |
| record_format | dspace |
| spelling | oxford-uuid:c6d36bf8-b3f7-4ccf-bd33-be1359a404d52022-03-27T06:40:39ZMEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONSJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:c6d36bf8-b3f7-4ccf-bd33-be1359a404d5Symplectic Elements at Oxford1993Adriani, OAguilarbenitez, MAhlen, SAlcaraz, JAloisio, AAlverson, GAlviggi, MAmbrosi, GAn, QAnderhub, HAnderson, AAndreev, VAngelescu, TAntonov, LAntreasyan, DArce, PArefiev, AAtamanchuk, AAzemoon, TAziz, TBaba, PBagnaia, PBakken, JBall, RBanerjee, SThe average lifetime of b hadrons has been measured using the L3 detector at LEP, running at √s ≈ MZ. A b-enriched sample was obtained from 432538 hadronic Z events collected in 1990 and 1991 by tagging electrons and muons from semileptonic b hadron decays. From maximum likelihood fits to the electron and muon impact parameter distributions, the average b hadron lifetime was measured to be τb = (1535 ± 35 ± 28) fs, where the first error is statistical and the second includes both the experimental and the theoretical systematic uncertainties. © 1993. |
| spellingShingle | Adriani, O Aguilarbenitez, M Ahlen, S Alcaraz, J Aloisio, A Alverson, G Alviggi, M Ambrosi, G An, Q Anderhub, H Anderson, A Andreev, V Angelescu, T Antonov, L Antreasyan, D Arce, P Arefiev, A Atamanchuk, A Azemoon, T Aziz, T Baba, P Bagnaia, P Bakken, J Ball, R Banerjee, S MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS |
| title | MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS |
| title_full | MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS |
| title_fullStr | MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS |
| title_full_unstemmed | MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS |
| title_short | MEASUREMENT OF THE AVERAGE LIFETIME OF B-HADRONS |
| title_sort | measurement of the average lifetime of b hadrons |
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