Title: | Searches for 25 rare and forbidden decays of D+ and D+s mesons
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Author: | LHCb Collaboration
Adeva Andany, Bernardo
Alves Junior, Antonio Augusto
Baladrón Rodríguez, Pablo
Boente García, Óscar
Brea Rodríguez, Alexandre
Casais Vidal, Adrián
Chobanova, Veronika
Cid Vidal, Xabier
Dalseno, Jeremy
Dieste Maroñas, Lorena
Fernández Prieto, Antonio
Gallas Torreira, Abraham Antonio
García Plana, Beatriz
Gioventù, Alessandra
Lomba Castro, Julián
Martínez Santos, Diego
Parkinson, Chris J.
Plo Casasus, Máximo
Prouve, Claire
Ramos Pernas, Miguel
Romero Lamas, Marcos
Romero Vidal, Antonio
Saborido Silva, Juan José
Santamarina Ríos, Cibrán
Vázquez Regueiro, Pablo
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Affiliation: | Universidade de Santiago de Compostela. Departamento de Física de Partículas Universidade de Santiago de Compostela. Instituto Galego de Física de Altas Enerxías (IGFAE)
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Subject: | Charm physics | Flavour physics | Flavour Changing Neutral Currents | Hadron-Hadron scattering (experiments) | Rare decay | |
Date of Issue: | 2021
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Publisher: | Springer
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Citation: | J. High Energ. Phys. 2021, 44. https://doi.org/10.1007/JHEP06(2021)044
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Abstract: | A search is performed for rare and forbidden charm decays of the form D+(s)→h±ℓ+ℓ(′)∓, where h± is a pion or kaon and ℓ(′)± is an electron or muon. The measurements are performed using proton-proton collision data, corresponding to an integrated luminosity of 1.6 fb−1, collected by the LHCb experiment in 2016. No evidence is observed for the 25 decay modes that are investigated and 90 % confidence level limits on the branching fractions are set between 1.4 × 10−8 and 6.4 × 10−6. In most cases, these results represent an improvement on existing limits by one to two orders of magnitude |
Publisher version: | https://doi.org/10.1007/JHEP06(2021)044 |
URI: | http://hdl.handle.net/10347/26752
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DOI: | 10.1007/JHEP06(2021)044 |
E-ISSN: | 1029-8479
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Rights: | Copyright CERN, for the benefit of the LHCb Collaboration, 2021. Open Access . This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited Atribución 4.0 Internacional
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