Search results for "quasi-elastic"

Absence of structure in the $^{20,22}$Ne + $^{118}$Sn quasi-elastic barrier distribution

2005

Abstract Motivated by the extreme deformation parameters of the projectile, we have measured quasi-elastic scattering for 20 Ne +  118 Sn. In contrast to calculations based on known collective states, the experimental barrier distribution is structureless. A comparison with the system 22 Ne +  118 Sn shows that this smoothing is unlikely to be due to nucleon- or α -transfer channels, and is more likely to be due to coupling to many other weak channels.

Dynamical properties of water in living cells

2018

With the aim of studying the effect of water dynamics on the properties of biological systems, in this paper, we present a quasi-elastic neutron scattering study on three different types of living cells, differing both in their morphological and tumor properties. The measured scattering signal, which essentially originates from hydrogen atoms present in the investigated systems, has been analyzed using a global fitting strategy using an optimized theoretical model that considers various classes of hydrogen atoms and allows disentangling diffusive and rotational motions. The approach has been carefully validated by checking the reliability of the calculation of parameters and their 99% confi…

Nuclear effects in neutrino-nucleus interactions: the role of spectral functions

2019

En esta tesis hemos estudiado la interacción neutrino-núcleo, en el régimen cuasielástico, haciendo un especial énfasis en la importancia de las correcciones nucleares. Motivación En el estudio de la física de oscilaciones de neutrinos, los desafíos más importantes que se presentan en la actualidad son (i) medir el valor de la fase de la violación de la simetría CP y (ii) discernir entre jerarquía normal o invertida en el respeto de masas de los neutrinos. Los futuros experimentos diseñados para resolver estas (y otras) cuestiones, incluyendo posibles descubrimientos de Física más allá del Modelo Estándar, sobre todo DUNE y T2HK, contarán con una estadística muy alta, asi…

Muon neutrino charged current quasi-elastic interactions in the T2K off-axis near detector

2015

246 páginas. Tesis Doctoral del Departamento de Física Atómica, Molecular y Nuclear de la Universidad de Valencia y del Instituto de Física Corpuscular (IFIC).

Water Dynamics in Biological Systems investigated using Neutron Scattering Techniques

Living systems can not survive in absence of the water environments which play a fundamental role in living functions. Thus in the scienti?c community many studies were and are addressed to characterize water and its dynamics properties in biological systems. However, a clear description of water in such systems has been not reached yet. In fact, the investigations performed with di?erent techniques - those based on Nuclear Magnetic Resonance or those based on Neutron Scattering - look at di?erent di?usive motions and interactions water-biomolecules, leading controversial results and hence generating many debates between scientists. In this thesis we support the idea that two water populati…