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Autor Vedia Fernández, María Victoria |
Documentos disponibles escritos por este autor (27)
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Fraile Prieto, Luis Mario ; Vedia Fernández, María Victoria ; otros, .. | American Physical Society | 2019-01-30Even mass neutron-rich niobium isotopes are among the principal contributors to the reactor antineutrino energy spectrum. They are also among the most challenging to measure due to the refractory nature of niobium, and because they exhibit isome[...]texto impreso
Fraile Prieto, Luis Mario ; Mach, H. ; Paziy, Vadym ; Vedia Fernández, María Victoria ; otros, ... | American Physical Society | 2019-07-16Lifetimes of intermediate-spin states in two rotational bands of Zr-99 have been measured. These states were populated following the neutron-induced fission of U-235 at the PF1B beamline of the Institut Laue-Langevin, Grenoble, during the EXILL-[...]texto impreso
Benito García, Jaime ; Fraile Prieto, Luis Mario ; Sánchez-Tembleque Verbo, Victor ; Vedia Fernández, María Victoria | Elsevier Science BV | 2020-02-10We report on the first measurement of the half-lives of K-pi = 11(-) and 12(+) four-quasiparticle states in the even-even nucleus W-178. The sub-nanosecond half-lives were measured by applying the centroid shift method to data taken with LaBr3(C[...]texto impreso
Fraile Prieto, Luis Mario ; Vedia Fernández, María Victoria ; otros, ... | American Physical Society | 2020-05-18The ? decay of Hg-207 into the single-proton-hole nucleus Tl-207 has been studied through gamma-ray spectroscopy at the ISOLDE Decay Station (IDS) with the aim of identifying states resulting from coupling of the pi s(1/2)(-1), pi d(3/2)(-1) and[...]texto impreso
Benito García, Jaime ; Fraile Prieto, Luis Mario ; Sánchez Tembleque, Víctor ; Vedia Fernández, María Victoria ; otros, ... | Jagellonian University | 2020Excited states in the neutron-rich Se-85 nucleus have been studied using for the first time a fast neutron-induced fission of Th-232. The experiment was performed at the ALTO facility of the IPN Orsay. Coupling of the LICORNE directional neutron[...]texto impreso
Carmona Gallardo, Mariano ; Fraile Prieto, Luis Mario ; Vedia Fernández, María Victoria ; otros, ... | Springer | 2020-04-30We report on an attempt to reproduce the observation of beta(-)-delayed proton emission from Be-11 through detection of the final state nucleus Be-10 with accelerator mass spectrometry. Twelve samples were collected at the ISOLDE facility at CER[...]texto impreso
Three observables of interest for present and future reactors depend on the beta decay properties of the fission products: antineutrinos from reactors, the reactor decay heat and delayed neutron emission. In these proceedings, we present new res[...]texto impreso
In this work we report on total absorption ?-ray spectroscopy measurements of the ? decay of fission products that are important contributors to the antineutrino spectrum. The experiment was performed at IGISOL as a part of a campaign of measure[...]texto impreso
Fraile Prieto, Luis Mario ; Mach, H. ; Olaizola, B. ; Paziy, V. ; Vedia Fernández, María Victoria | Elsevier Science | 2016-09-10The gamma-ray decay of excited states of the one-valence-proton nucleus Sb-133 has been studied using cold-neutron induced fission of U-235 and Pu-241 targets, during the EXILL campaign at the ILL reactor in Grenoble. By using a highly efficient[...]texto impreso
Fraile Prieto, Luis Mario ; Vedia Fernández, María Victoria ; otros, ... | American Physical Society | 2019-08-09The beta-intensity distributions of the decays of Nb-100gs,Nb-100m and Nb-102gs,Nb-102m have been determined using the total absorption gamma-ray spectroscopy technique. The JYFLTRAP double Penning trap system was employed in a campaign of chall[...]texto impreso
The accurate determination of reactor antineutrino spectra remains a very active research topic for which new methods of study have emerged in recent years. Indeed, following the long-recognized reactor anomaly (measured antineutrino deficit in [...]texto impreso
Preliminary results from beta decay studies of nuclei that are important for reactor applications are presented. The beta decays have been studied using the total absorption technique (TAS) and the pure beams provided by the JYFLTRAP system at t[...]