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https://hdl.handle.net/2445/222018| Title: | Amplitude analysis of the Λ 0 b → pK−γ decay |
| Author: | Comerma Montells, Albert Garcia Moreno, Paula Garrido Beltrán, Lluís Gioventù, Alessandra Gironella Gironell, Pere Gomez Fernandez, Sergio Graugés Pous, Eugeni Lobo Salvia, Aniol López Huertas, Albert Manera Escalero, Rafel Marin Benito, Carla Mauricio Ferre, Joan Alfonso Albero, Alejandro Vazquez Gomez, Ricardo LHCb Collaboration |
| Keywords: | Hadrons Física de partícules Cromodinàmica quàntica Hadrons Particle physics Quantum chromodynamics |
| Issue Date: | 2024 |
| Publisher: | Springer Verlag |
| Abstract: | The resonant structure of the radiative decay Λ 0 b → pK−γ in the region of proton-kaon invariant-mass up to 2.5 GeV/c2 is studied using proton-proton collision data recorded at centre-of-mass energies of 7, 8, and 13 TeV collected with the LHCb detector, corresponding to a total integrated luminosity of 9 fb−1 . Results are given in terms of ft and interference fractions between the diferent components contributing to this fnal state. Only Λ resonances decaying to pK− are found to be relevant, where the largest contributions stem from the Λ(1520), Λ(1600), Λ(1800), and Λ(1890) states. |
| Note: | Reproducció del document publicat a: https://doi.org/10.1007/JHEP06(2024)098 |
| It is part of: | Journal of High Energy Physics, 2024, vol. 2024, num.98 |
| URI: | https://hdl.handle.net/2445/222018 |
| Related resource: | https://doi.org/10.1007/JHEP06(2024)098 |
| ISSN: | 1126-6708 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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