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miniBELEN: a modular neutron counter for (a, n) reactions
(EPJ Web of Conferences, 2023-05-26)
Artículo
Acceso abiertominiBELEN is a modular and transportable neutron moderated counter with a nearly flat neutron detection efficiency up to 10 MeV. Modularity implies that the moderator can be reassembled in different ways in order to obtain ... -
Excitonic insulator to superconductor phase transition in ultra-compressed helium
(2023-07-25)
Artículo
Acceso abiertoHelium, the second most abundant element in the universe, exhibits an extremely large electronic band gap of about 20 eV at ambient pressures. While the metallization pressure of helium has been accurately determined, thus ... -
Relative dynamics of quantum vortices and massive cores in binary BECs
(2023-08-02)
Artículo
Acceso abiertoWe study the motion of superfluid vortices with filled massive cores. Previous point-vortex models already pointed out the impact of the core mass on the vortex dynamical properties, but relied on an assumption that is ... -
Vibrational dynamics of CO on Pd(111) in and out of thermal equilibrium
(American Physical Society (APS), 2023-07-17)
Artículo
Acceso abiertoUsing many-body perturbation theory and density functional perturbation theory, we study the vibrational spectra of the internal stretch (IS) mode of CO on Pd(111) for the bridge and hollow adsorption structures that are ... -
An irradiated-Jupiter analogue hotter than the Sun
(Springer Nature, 2023-09-14)
Artículo
Acceso abiertoPlanets orbiting close to hot stars experience intense extreme-ultraviolet radiation, potentially leading to atmosphere evaporation and to thermal dissociation of molecules. However, this extreme regime remains mainly ... -
Study of decay properties for Ba to Nd nuclei relevant for the formation of the r-process rare-earth peak (A~160)
(2023)
Artículo
Acceso abiertoAt the RIKEN Nishina Center, exotic neutron-rich isotopes of Ba, La, Ce, Pr, and Nd were measured. This work reports their half-lives (T1/2) and ß-delayed neutron-emission probabilities (Pxn). The setup consisted of the ... -
On the beam hardening correction of the transit-guided radiation therapy attenuation model
(2023-08-09)
Artículo
Acceso restringido por política de la editorialPurpose The Transit-Guided Radiation Therapy (TGRT) technique is a novel technique aimed to quantify the position error of a patient by using the transit portal images (TPI) of the treatment fields. Despite of the promising ... -
Study of decay properties of Ba to Nd nuclei (A~160) relevant to the formation of the r-process rare-earth peak
(2023-05-26)
Artículo
Acceso abiertoHalf-lifes (T1/2) of exotic neutron-rich isotopes of Ba, La, Ce, Pr, and Nd were measured at the RIKEN Nishina Center. The experimental setup consisted of the BigRIPS in-flight separator for ion selection identification, ... -
Measurement of the N 14 (n,p) C 14 cross section at the CERN n_TOF facility from subthermal energy to 800 keV
(American Physical Society, 2023-06-29)
Artículo
Acceso abiertoBackground: The 14N(n,p)14C reaction is of interest in neutron capture therapy, where nitrogen-related dose is the main component due to low-energy neutrons, and in astrophysics, where 14N acts as a neutron poison in the ... -
Entropy-based early detection of critical transitions in spatial vegetation fields
(International Academy of Sciences (NAS), 2023-01-03)
Artículo
Acceso abiertoIn semiarid regions, vegetated ecosystems can display abrupt and unexpected changes, i.e., transitions to different states, due to drifting or time-varying parameters, with severe consequences for the ecosystem and the ... -
Self-induced large-scale motions in a three-dimensional diffuser
(Springer, 2023-09-14)
Artículo
Acceso abiertoA direct numerical simulation of a three-dimensional diffuser at Reynolds number Re = 10,000 (based on inlet bulk velocity) has been performed using a low-dissipation finite element code. The geometry chosen for this work ... -
Large barocaloric effects in two novel ferroelectric molecular plastic crystals
(Royal Society of Chemistry (RSC), 2023-05-19)
Artículo
Acceso restringido por política de la editorialMaterials undergoing pressure-driven solid–solid phase transformations can be a valuable alternative for eco-friendly refrigeration, heat pumping and waste heat recovery based on the barocaloric effect. Ferroelectric ...