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Tests of lepton universality with semitauonic b-quark decays
Tests of Lepton Flavor Universality are presented using ratios of branching fractions $\Mathscr{B}(B \to X_c \tau^+ \nu_{\tau})/\Mathscr{B}$$(B \to X_c \mu^+\nu_{\mu})$, with $X_c=D^{*-}$ or $J/\psi$, using the data collected by the LHCb experiment during 2011 and 2012. When combined with the result...
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| Lenguaje: | eng |
| Publicado: |
2019
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| Acceso en línea: | https://dx.doi.org/10.22323/1.340.0126 http://cds.cern.ch/record/2708461 |
| _version_ | 1780965071681224704 |
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| author | Leroy, Olivier |
| author_facet | Leroy, Olivier |
| author_sort | Leroy, Olivier |
| collection | CERN |
| description | Tests of Lepton Flavor Universality are presented using ratios of branching fractions $\Mathscr{B}(B \to X_c \tau^+ \nu_{\tau})/\Mathscr{B}$$(B \to X_c \mu^+\nu_{\mu})$, with $X_c=D^{*-}$ or $J/\psi$, using the data collected by the LHCb experiment during 2011 and 2012. When combined with the results from the BaBar and Belle experiments, the Standard Model is challenged at the $3.8\sigma$ level. We also give implications and prospects of these key measurements. |
| id | oai-inspirehep.net-1748450 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2019 |
| record_format | invenio |
| spelling | oai-inspirehep.net-17484502020-02-04T20:53:00Zdoi:10.22323/1.340.0126http://cds.cern.ch/record/2708461engLeroy, OlivierTests of lepton universality with semitauonic b-quark decaysParticle Physics - ExperimentTests of Lepton Flavor Universality are presented using ratios of branching fractions $\Mathscr{B}(B \to X_c \tau^+ \nu_{\tau})/\Mathscr{B}$$(B \to X_c \mu^+\nu_{\mu})$, with $X_c=D^{*-}$ or $J/\psi$, using the data collected by the LHCb experiment during 2011 and 2012. When combined with the results from the BaBar and Belle experiments, the Standard Model is challenged at the $3.8\sigma$ level. We also give implications and prospects of these key measurements.oai:inspirehep.net:17484502019 |
| spellingShingle | Particle Physics - Experiment Leroy, Olivier Tests of lepton universality with semitauonic b-quark decays |
| title | Tests of lepton universality with semitauonic b-quark decays |
| title_full | Tests of lepton universality with semitauonic b-quark decays |
| title_fullStr | Tests of lepton universality with semitauonic b-quark decays |
| title_full_unstemmed | Tests of lepton universality with semitauonic b-quark decays |
| title_short | Tests of lepton universality with semitauonic b-quark decays |
| title_sort | tests of lepton universality with semitauonic b-quark decays |
| topic | Particle Physics - Experiment |
| url | https://dx.doi.org/10.22323/1.340.0126 http://cds.cern.ch/record/2708461 |
| work_keys_str_mv | AT leroyolivier testsofleptonuniversalitywithsemitauonicbquarkdecays |