A5083176266- Nuclear physics research studies
- Quantum Chromodynamics and Particle Interactions
- Radiation Therapy and Dosimetry
- Advanced Radiotherapy Techniques
- Atomic and Molecular Physics
- Advanced Chemical Physics Studies
- Astronomical and nuclear sciences
- Advanced NMR Techniques and Applications
- Quantum, superfluid, helium dynamics
- Radiation Detection and Scintillator Technologies
- Nuclear Physics and Applications
- Complex Systems and Time Series Analysis
- Radiation Shielding Materials Analysis
- Electron and X-Ray Spectroscopy Techniques
- Particle accelerators and beam dynamics
- Nuclear reactor physics and engineering
- Fusion materials and technologies
- Advanced X-ray and CT Imaging
- Nonlinear Dynamics and Pattern Formation
- Radiation Effects in Electronics
- Nuclear Materials and Properties
- Atomic and Subatomic Physics Research
- Particle physics theoretical and experimental studies
- Chaos control and synchronization
- Astro and Planetary Science
Universidad de Granada
2016-2025
Complejo Hospitalario Universitario de Granada
2020-2025
Instituto de Investigación Biosanitaria de Granada
2020-2025
University of Salento
2016
Istituto Nazionale di Fisica Nucleare, Sezione di Lecce
2001-2003
Universidad Autónoma de Madrid
2001-2002
We discuss the need of including tensor terms in effective Gogny interaction used mean-field calculations. show one illustrative case that, with usual term that is employed Skyrme (and allows us to separate like-nucleon and neutron-proton contributions), we can describe evolution N=28 neutron gap calcium isotopes. propose include a tensor-isospin finite-range interactions type. The parameters two allow treat separately contributions. Two parameterizations have been chosen reproduce different...
Abstract IFMIF-DONES (International Fusion Materials Irradiation Facility- DEMO Oriented NEutron Source) is a facility whose purpose to obtain data on materials by irradiating them under conditions equivalent those of the (DEMOstration) fusion reactor. Tungsten and CuCrZr alloy are two candidate be used in DEMO, tungsten for first wall divertor divertor. So, studying behavior these comparing results with environment crucial. In High Flux Test Module (HFTM) has been considered realistic...
Various models of ionization and fission chambers for ionizing radiation detection, designed to operate under harsh conditions such as those found in fusion reactors or particle accelerators, have been experimentally characterized numerically simulated. These were calibrated using a photon beam the X-ray spectrum. Irradiations performed at Biomedical Research Center University Granada (CIBM) with bipolar metal-ceramic tube operating voltage 150 kV dose rate ranging from 0.05 2.28 Gy/min. All...
Tensor effects in shell evolution are studied within the mean-field approach. Particular attention is paid to analysis of magic gaps different regions nuclear chart, namely, $Z,N=8$, 20, and 28. Hartree-Fock calculations with Skyrme Gogny interactions performed where tensor term has a zero finite range, respectively. Results obtained without component compared between them experimental data, when available. To complete this analysis, effect also investigated relativistic model, exchange...
We present a study of the effects tensor-isospin term effective interaction in Hartree-Fock and Random Phase Approximation calculations. used finite-range forces Gogny type, we added to them which behaves, at large internucleonic distances, as analogous microscopic interactions. The strength this tensor force has been chosen reproduce experimental energy lowest 0$^-$ excited state $^{16}$O, shows sensitivity interaction. With these interactions, have studied ground states carbon, oxygen,...
Recent ground-state-focused studies of the tensor effects in mean-field framework are our starting point. On basis phenomenological arguments, we indicate regions for acceptable values parameters that associated with effective forces within both Skyrme and Gogny models. We identify signs by making an adjustment on neutron $1f$ spin-orbit splitting nuclei ${}^{40}$Ca, ${}^{48}$Ca, ${}^{56}$Ni. The first nucleus is not used to adjust because it spin-saturated, but employed tune strength. One...
IFMIF-DONES (International Fusion Materials Irradiation Facility- DEMO Oriented NEutron Source) is a neutron irradiation facility designed to collect data on material for the construction of demonstration fusion power plants. This study focuses in investigate effect realistic model specimens being irradiated HFTM IFMIF-DONES, and its comparison with previous results homogeneous model. Neutron fluence rate, damage dose rates, gas production have been calculated standard 20 × 5 cm² profile 10...
We present a technique that treats, without approximations, the continuum part of excitation spectrum in random phase approximation calculations with finite-range interactions. The interaction used Hartree-Fock to generate single-particle basis is also calculations. show results for electric dipole and quadrupole excitations $^{16}\mathrm{O}$, $^{22}\mathrm{O}$, $^{24}\mathrm{O}$, $^{40}\mathrm{Ca}$, $^{48}\mathrm{Ca}$, $^{52}\mathrm{Ca}$ nuclei. compare our those traditional discrete...
The electric dipole excitation of various nuclei is calculated with a Random Phase Approximation phenomenological approach. evolution the strength distribution in groups isotopes oxygen, calcium, zirconium, and tin studied. neutron excess produces $E1$ low-energy region. Indexes to measure collectivity are defined. We studied behavior proton transition densities determine isoscalar or isovector nature excitation. observed that medium-heavy has characteristics rather different than those...
: To evaluate the effectiveness of an ant colony algorithm in implementing variance reduction techniques Monte Carlo computation photon beam quality correction factor kQ,Q0 for ionization chambers characterized with very small active volumes. The code PENELOPE has been utilized to compute Semiflex 3D 31021 chamber, which volume 0.071cm3. Various clinical beams generated nominal potentials from 4 25MV have considered, a 60Co serving as reference. calculation involved determining absorbed dose...
In this work we have developed a simulation tool, based on the PENELOPE code, to study response of MOSFET devices irradiation with high-energy photons. The energy deposited in extremely thin silicon dioxide layer has been calculated. To reduce statistical uncertainties, an ant colony algorithm implemented drive application splitting and Russian roulette as variance reduction techniques. way, uncertainty reduced by factor approximately 5, while efficiency is increased above 20. As...
We have studied the procedure commonly recommended by dosimetry protocols for determination of absorbed dose in water low-energy x-rays beams, generated with potentials up to 150 kVp. X-ray beams different spectra obtained XCOMP5R code were transported using Monte Carlo PENELOPE order calculate backscatter factors and mass-energy absorption coefficients. analyzed uncertainty doses, calculated half-value layer characterize x-ray due uncertainties both found that this is larger than 5% can...
We present a model which describes the properties of odd-even nuclei with one nucleon more, or less, respect to magic number. In addition effects related unpaired nucleon, we consider those produced by excitation closed shell core. By using single-particle basis generated Hartree-Fock calculations, describe polarization doubly magic-core random phase approximation collective wave functions. every step calculation, and for all considered, use same finite-range nucleon-nucleon interaction....
The effects of the nuclear structure uncertainties on description processes induced by coherent scattering neutrinos nuclei are investigated. A reference calculation based a specific model is defined and cross sections also expected number events produced generated explosion supernova in our galaxy, spallation neutron source evaluated. By changing input parameters their relevance detected estimated. Seven spherical with different proton to ratios considered as possible targets detector,...