Artículo
Hints of quasi-molecular states in 13B via the study of 9Li-4He elastic scattering
Autor/es | Di Pietro, Alessia
Shotter, Alan C. Fernández García, Juan Pablo Figuera, Pierpaolo Fisichella, Maria Moro Muñoz, Antonio Matías Zadro, Mile |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2022 |
Fecha de depósito | 2023-04-21 |
Publicado en |
|
Resumen | This paper reports on elastic scattering excitation functions for the reaction 9Li+4He measured at
backward angles in the centre of mass energy range 5 MeV ≤ Ec.m. ≤ 9.5 MeV, with the aim of
investigating the possible ... This paper reports on elastic scattering excitation functions for the reaction 9Li+4He measured at backward angles in the centre of mass energy range 5 MeV ≤ Ec.m. ≤ 9.5 MeV, with the aim of investigating the possible existence of molecular resonances which have been predicted to exist in the case of neutron-rich B-isotopes. Due to the short lifetime of 9Li, the experiment necessitated the use of inverse kinematics on a gaseous 4He target. The Thick Target Inverse Kinematics technique was used which allowed for the measurement of the full excitation function in a single 9Li run. Broad resonances were observed in the excitation region for 13B 15 MeV ≤ Ex ≤20 MeV. To understand the nature of such broad structures, various theoretical attempts are reported concerning possible reaction mechanisms for this neutron rich reaction. The most promising approach to interpret the data is within the orbiting reaction scenario. |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España Junta de Andalucía |
Identificador del proyecto | PGC2018-096994-B-C21
PID2019-104390GB- I00 PID2020-114687GB-I00 P20_01247 |
Cita | Di Pietro, A., Shotter, A.C., Fernández García, J.P., Figuera, P., Fisichella, M., Moro Muñoz, A.M. y Zadro, M. (2022). Hints of quasi-molecular states in 13B via the study of 9Li-4He elastic scattering. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 832. https://doi.org/10.1016/j.physletb.2022.137256. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
Hints of quasi-molecular.pdf | 727.5Kb | [PDF] | Ver/ | |