$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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Auteurs principaux:	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.
Format:	Article
Langue:	English
Publié:	Springer Berlin Heidelberg 2021
Accès en ligne:	https://hdl.handle.net/1721.1/131703
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https://hdl.handle.net/1721.1/131703

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

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