Measurements of charged current lepton universality and |Vus| using tau lepton decays to e-ν̄eντ, μ -ν̄μντ, π-ντ, and K -ντ
Using 467fb-1 of e+e- annihilation data collected with the BABAR detector, we measure B(τ -→μ-ν̄μντ)B(τ -→e-ν̄eντ)=(0.9796±0. 0016±0.0036), B(τ-→π-ντ) B(τ-→e-ν̄eντ)=(0.5945±0. 0014±0.0061), and B(τ-→K-ντ) B(τ-→e-ν̄eντ)=(0.03882±0. 00032±0.00057), where the uncertainties are statistical and systemati...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Sprog: | English |
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2010
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| _version_ | 1826265065020456960 |
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| author | Aubert, B Karyotakis, Y Lees, J Poireau, V Prencipe, E Prudent, X Tisserand, V Garra Tico, J Grauges, E Martinelli, M Palano, A Pappagallo, M Eigen, G Stugu, B Sun, L Battaglia, M Brown, D Kerth, LT Kolomensky, Y Lynch, G Osipenkov, I Tackmann, K Tanabe, T Hawkes, C Soni, N |
| author_facet | Aubert, B Karyotakis, Y Lees, J Poireau, V Prencipe, E Prudent, X Tisserand, V Garra Tico, J Grauges, E Martinelli, M Palano, A Pappagallo, M Eigen, G Stugu, B Sun, L Battaglia, M Brown, D Kerth, LT Kolomensky, Y Lynch, G Osipenkov, I Tackmann, K Tanabe, T Hawkes, C Soni, N |
| author_sort | Aubert, B |
| collection | OXFORD |
| description | Using 467fb-1 of e+e- annihilation data collected with the BABAR detector, we measure B(τ -→μ-ν̄μντ)B(τ -→e-ν̄eντ)=(0.9796±0. 0016±0.0036), B(τ-→π-ντ) B(τ-→e-ν̄eντ)=(0.5945±0. 0014±0.0061), and B(τ-→K-ντ) B(τ-→e-ν̄eντ)=(0.03882±0. 00032±0.00057), where the uncertainties are statistical and systematic, respectively. From these precision τ measurements, we test the standard model assumption of μ-e and τ-μ charge current lepton universality and provide determinations of |Vus| experimentally independent of the decay of a kaon. © 2010 The American Physical Society. |
| first_indexed | 2024-03-06T20:17:49Z |
| format | Journal article |
| id | oxford-uuid:2cbccf0c-a82b-4af9-b26b-73d35e24436c |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T20:17:49Z |
| publishDate | 2010 |
| record_format | dspace |
| spelling | oxford-uuid:2cbccf0c-a82b-4af9-b26b-73d35e24436c2022-03-26T12:38:58ZMeasurements of charged current lepton universality and |Vus| using tau lepton decays to e-ν̄eντ, μ -ν̄μντ, π-ντ, and K -ντJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:2cbccf0c-a82b-4af9-b26b-73d35e24436cEnglishSymplectic Elements at Oxford2010Aubert, BKaryotakis, YLees, JPoireau, VPrencipe, EPrudent, XTisserand, VGarra Tico, JGrauges, EMartinelli, MPalano, APappagallo, MEigen, GStugu, BSun, LBattaglia, MBrown, DKerth, LTKolomensky, YLynch, GOsipenkov, ITackmann, KTanabe, THawkes, CSoni, NUsing 467fb-1 of e+e- annihilation data collected with the BABAR detector, we measure B(τ -→μ-ν̄μντ)B(τ -→e-ν̄eντ)=(0.9796±0. 0016±0.0036), B(τ-→π-ντ) B(τ-→e-ν̄eντ)=(0.5945±0. 0014±0.0061), and B(τ-→K-ντ) B(τ-→e-ν̄eντ)=(0.03882±0. 00032±0.00057), where the uncertainties are statistical and systematic, respectively. From these precision τ measurements, we test the standard model assumption of μ-e and τ-μ charge current lepton universality and provide determinations of |Vus| experimentally independent of the decay of a kaon. © 2010 The American Physical Society. |
| spellingShingle | Aubert, B Karyotakis, Y Lees, J Poireau, V Prencipe, E Prudent, X Tisserand, V Garra Tico, J Grauges, E Martinelli, M Palano, A Pappagallo, M Eigen, G Stugu, B Sun, L Battaglia, M Brown, D Kerth, LT Kolomensky, Y Lynch, G Osipenkov, I Tackmann, K Tanabe, T Hawkes, C Soni, N Measurements of charged current lepton universality and |Vus| using tau lepton decays to e-ν̄eντ, μ -ν̄μντ, π-ντ, and K -ντ |
| title | Measurements of charged current lepton universality and |Vus| using tau lepton decays to e-ν̄eντ, μ -ν̄μντ, π-ντ, and K -ντ |
| title_full | Measurements of charged current lepton universality and |Vus| using tau lepton decays to e-ν̄eντ, μ -ν̄μντ, π-ντ, and K -ντ |
| title_fullStr | Measurements of charged current lepton universality and |Vus| using tau lepton decays to e-ν̄eντ, μ -ν̄μντ, π-ντ, and K -ντ |
| title_full_unstemmed | Measurements of charged current lepton universality and |Vus| using tau lepton decays to e-ν̄eντ, μ -ν̄μντ, π-ντ, and K -ντ |
| title_short | Measurements of charged current lepton universality and |Vus| using tau lepton decays to e-ν̄eντ, μ -ν̄μντ, π-ντ, and K -ντ |
| title_sort | measurements of charged current lepton universality and vus using tau lepton decays to e ν̄eντ μ ν̄μντ π ντ and k ντ |
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