Juan Alejandro de la Torre

Assessment of SPND Signal in IFMIF-DONES using a Monte Carlo Modelling

I. Álvarez, Juan Alejandro de la Torre, M. Anguiano, F. Mota et autres

IFMIF-DONES (International Fusion Materials Irradiation Facility-DEMO Oriented Neutron Source) is a key facility for the study and analysis of the materials properties exposed to irradiation conditions characterised by a high neutron flux with high energies up to 55 MeV. These irradiation conditions …

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Assessment of the biochemical effects on healthy and tumour cell lines using different dosimetric parameters in X-ray minibeam radiation therapy through synchrotron-based infrared microspectroscopy

Roberto González Vegas, Juan Alejandro de la Torre, MARTINA COTS COSTA

Radiotherapy (RT) is one of the most frequently used methods for cancer treatment. Despite remarkable advancements, the dose tolerances of normal tissues and the treatment of radioresistant tumours remain the main limitations of RT. Finding novel approaches that contribute to overcome these …

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A Monte Carlo analysis of the feasibility of a 3D structure build up with silicon photodiodes for in vivo dosimetry in radiotherapy

Juan Alejandro de la Torre, Isidoro Ruiz‐García, Damian Guirado, Alberto José Palma et autres

Purpose: This study investigates the capabilities of a novel 3D cube device comprising six BPW34S photodiodes (Vishay Semiconductors), one on each side, recently proposed for in vivo dosimetry. Methods: The study has been conducted by using the Monte Carlo simulation codes FLUKA-CERN, …

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Operando characterization of solid electrolyte interphase (SEI) in Post Li batteries

Ibraheem Yousef, Alexandre Ponrouch, Deyana Tchitchekova, Immaculada Martínez‐Rovira et autres

Operando SR-FTIR will be used in order to investigate the growth and dynamic behaviour upon cycling (dissolution/reformation) of solid electrolyte interphase (SEI) in Na-ion batteries. In particular, the use of Calcium salt (CaTFSI2) additive will be investigated in order to better understand …

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Characterization of Different Types of Micro-Fission and Micro-Ionization Chambers Under X-Ray Beams

Juan Antonio Moreno-Pérez, Álvaro Marchena, Pablo E. Araya, Jesús J. López‐Peñalver et autres

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 and numerically simulated. These models were calibrated using a photon beam …

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Fano test, clinical proton beams and nuclear reactions

Juan Alejandro de la Torre, Antonio Miguel Lallena, M. Anguiano

Purpose : A Fano test is implemented to prove the feasibility of the Monte Carlo simulation codes penh, fluka and topas for proton transport and, in particular, for the calculation of perturbation factors in ionization chambers used in proton-therapy. Optimal simulation parameters …

Multiple scattering calculations for proton beams: Comparison of results from the general-purpose Monte Carlo codes penh, fluka and topas

Juan Alejandro de la Torre, A.M. Plaza, Antonio Miguel Lallena, F. Salvat et autres

To test the multiple Coulomb scattering theories implemented in the Monte Carlo simulation codes penh, fluka and topas. Simulations with the three codes of proton beams with initial energies between 100 and 220 MeV impinging normally on slabs of 14 different compositions …

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