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http://hdl.handle.net/2445/140280
Title: | Meson-Baryon molecular states in the (I = 1/2, S = 0, C = 2) sector |
Author: | Llorens Giralt, Quim |
Director/Tutor: | Ramos Gómez, Àngels |
Keywords: | Mesons (Física nuclear) Barions Molècules Treballs de fi de grau Mesons Baryons Molecules Bachelor's theses |
Issue Date: | Jan-2019 |
Abstract: | In this work we present predictions for meson-baryon molecules in the Ecc sector. The states are modelled as either pseudoscalar or vector mesons interacting with ground state baryons in s-wave, through a t-channel vector exchange picture described by effective Lagrangians. Unitarization is implemented using the Bethe-Salpeter equation, from which the molecules emerge as poles of the resulting scattering amplitude. As a result, we get a total of eight states. Four pseudoscalar-baryon states, with JP = 1=2-, at 3862, 4135, 4239, and 4240 MeV; and four vectorbaryon states, degenerate with JP = 1=2-; 3=2-, with masses of 4380, 4353, 4387 and 4523 MeV. |
Note: | Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2019, Tutora: Àngels Ramos Gómez |
URI: | http://hdl.handle.net/2445/140280 |
Appears in Collections: | Treballs Finals de Grau (TFG) - Física |
Files in This Item:
File | Description | Size | Format | |
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LLORENS GIRALT Joaquim.pdf | 434.87 kB | Adobe PDF | View/Open |
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