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Autor Fraile Prieto, Luis Mario |
Documentos disponibles escritos por este autor (73)
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Background: For many years, quasifree scattering reactions in direct kinematics have been extensively used to study the structure of stable nuclei, demonstrating the potential of this approach. The (RB)-B-3 collaboration has performed a pilot ex[...]![]()
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Background: For many years, quasifree scattering reactions in direct kinematics have been extensively used to study the structure of stable nuclei, demonstrating the potential of this approach. The (RB)-B-3 collaboration has performed a pilot ex[...]![]()
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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[...]![]()
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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[...]![]()
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Olaizola, B. ; Fraile Prieto, Luis Mario ; Mach, H. ; Cal González, J. ; Picado, E. ; Udías Moinelo, José Manuel ; otros, ... | American Physical Society | 2017-06-07The lifetime of the 0(3)(+) state in Ni-66, two neutrons below the N = 40 subshell gap, has been measured. The transition B(E2; 0(3)(+) -> 2(1)(+)) is one of the most hindered E2 transitions in the Ni isotopic chain and it implies that, unlike [...]![]()
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Vedia, María Victoria Vedia Fernández ; Paziy, V. ; Fraile Prieto, Luis Mario ; Mach, H. | American Physical Society | 2017-09-02The existence of two close-lying nuclear states in ?³Ga has recently been experimentally determined: a 1/2? spin-parity for the ground state was measured in a laser spectroscopy experiment, while a J_? = 3/2? level was observed in transfer react[...]![]()
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Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85 MeV=nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E2 matrix elements that coup[...]![]()
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The beta decay of Pb-192,Pb-190 has been studied using the total absorption technique at the ISOLDE (CERN) facility. The beta-decay strength deduced from the measurements, combined with QRPA theoretical calculations, allow us to infer that the g[...]![]()
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Sánchez-Tembleque Verbo, Victor ; Sánchez Parcerisa, Daniel ; Valladolid Onecha, Victor ; Fraile Prieto, Luis Mario ; Udías Moinelo, José Manuel | Elsevier | 2019-01-07A detection system composed of a CeBr3 scintillating crystal coupled with a photomultiplier tube and connected to a digital oscilloscope was installed in the control room of a Cyberknife™ clinical accelerator during normal irradiation in order t[...]![]()
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Koldste, G. T. ; Blank, B. ; Borge, M. J. G. ; Briz Monago, José Antonio ; Carmona Gallardo, Mariano ; Fraile Prieto, Luis Mario ; Fynbo, H. O. U. ; Giovinazzo, J. ; Johansen, J. G. ; Jokinen, A. ; Jonson, B. ; Kurturkian Nieto, T. ; Nilsson, T. ; Perea, A. ; Pesudo, V. ; Picado, E. ; Riisager, K. ; Saastamoinen, A. ; Tengblad, O. ; Thomas, J. C. ; Van de Walle, J. | Elsevier Science | 2014-10-07We present for the first time precise spectroscopic information on the recently discovered decay mode ?-delayed 3p-emission. The detection of the 3p events gives an increased sensitivity to the high energy part of the Gamow–Teller strength distr[...]![]()
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Total absorption gamma-ray spectroscopy is used to measure accurately the intensity of gamma emission from neutron-unbound states populated in the ?-decay of delayed-neutron emitters. From the comparison of this intensity with the intensity of n[...]![]()
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The emission of neutron pairs from the neutron-rich N = 12 isotones ¹?C and ²?O has been studied by high-energy nucleon knockout from ¹?N and ²¹O secondary beams, populating unbound states of the two isotones up to 15 MeV above their two-neutron[...]![]()
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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[...]![]()
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Background: Models describing nuclear fragmentation and fragmentation fission deliver important input for planning nuclear physics experiments and future radioactive ion beam facilities. These models are usually benchmarked against data from sta[...]![]()
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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[...]![]()
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The even-even N=90 isotones with Z=60-66 are known to undergo a first order phase transition. Such a phase transition in atomic nuclei is characterized by a sudden change of the shape of the nucleus due to changes in the location of the potentia[...]![]()
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A novel method for direct electronic "fast-timing" lifetime measurements of nuclear excited states via gamma-gamma coincidences using an array equipped with N very fast high-resolution LaBr3(Ce) scintillator detectors is presented. The generaliz[...]![]()
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Beta decay is a primary source of information of the structure of a nucleus. An accurate measurement of the half-life of a nucleus is essential for the proper determination of the reduced Gammow-Teller transition probability B(GT). In this work,[...]![]()
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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[...]![]()
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At the PF1B cold neutron beam line at the Institut Laue Langevin, the EXILL array consisting of EXOGAM, GASP and ILL-Clover detectors was used to perform (n,gamma) measurements at very high coincidence rates. About ten different reactions were m[...]![]()
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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[...]![]()
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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 [...]![]()
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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[...]