Test of lepton universality with Λb0→pK−ℓ+ℓ−$$ {\Lambda}_b^0\to {pK}^{-}{\mathrm{\ell}}^{+}{\mathrm{\ell}}^{-} $$ decays

Test of lepton universality with Λb0→pK−ℓ+ℓ−$$ {\Lambda}_b^0\to {pK}^{-}{\mathrm{\ell}}^{+}{\mathrm{\ell}}^{-} $$ decays

Abstract The ratio of branching fractions of the decays Λb0$$ {\Lambda}_b^0 $$ → pK−e+e− and Λb0$$ {\Lambda}_b^0 $$ → pK−μ+μ−,RpK−1$$ {R}_{pK}^{-1} $$, is measured for the first time using proton-proton collision data corresponding to an integrated luminosity of 4.7 fb−1 recorded with the LHCb ex...

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Bibliographic Details
Main Authors: Aaij, R., Abellán Beteta, C., Ackernley, T., Adeva, B., Adinolfi, M., Afsharnia, H., Aidala, C. A, Aiola, S., Ajaltouni, Z., Akar, S., Albicocco, P., Albrecht, J., Alessio, F., Alexander, M., Alfonso Albero, A.
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:English
Published: Springer Berlin Heidelberg 2021
Online Access:https://hdl.handle.net/1721.1/131703

Internet

https://hdl.handle.net/1721.1/131703

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