Artículo
Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis
Autor/es | Lederer-Woods, Claudia
Battino, Umberto Ferreira, Paulo N. Guerrero, Carlos Lerendegui Marco, Jorge Cortés Giraldo, Miguel Antonio Palomo Pinto, Rogelio Quesada Molina, José Manuel Sabaté Gilarte, Marta |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Electrónica Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2019 |
Fecha de depósito | 2019-08-29 |
Publicado en |
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Resumen | 73Ge(n,γ) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar ... 73Ge(n,γ) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar cross section at kT=30 keV is 1.5 to 1.7 times higher than most theoretical predictions. The new cross sections result in a substantial decrease of 73Ge produced in stars, which would explain the low isotopic abundance of 73Ge in the solar system. |
Identificador del proyecto | J3503
ST/M006085/1 ERC-2015-StG Nr.677497 |
Cita | Lederer-Woods, C., Battino, U., Ferreira, P.N., Guerrero, C., Lerendegui Marco, J., Cortés Giraldo, [et al.]. (2019). Measurement of 73Ge(n,γ) cross sections and implications for stellar nucleosynthesis. Physics Letters B, 790, 458-465. |
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