UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS

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2024-11-22 1:58
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Conference: Bucharest University Faculty of Physics 2021 Meeting


Section: Nuclear and Elementary Particles Physics


Title:
Overview of Neutrino-Nucleus Interactions - incomplete theoretical knowledge of the nuclear effects


Authors:
Mihaela PÂRVU (1), Ionel LAZANU (2)


*
Affiliation:
University of Bucharest, Faculty of Physics, POBox MG-11, Magurele-Bucharest



E-mail
(1) mihaela.parvu@unibuc.ro (2) ionel.lazanu@g.unibuc.ro


Keywords:
neutrino nucleus interactions, experimental data, models, computing codes


Abstract:
It is clear that at present more ambiguities of the neutrino interactions with nuclei exist. This is a stringent problem for the next generation of neutrino experiments. The experimental results are insufficient and non-systematic and a complete theory or extended models for neutrino interactions with nuclei do not exist. A way to solve these difficulties consists in trying to find the best models for different processes. But those models have free parameters and an indispensable way to solve the problem is to obtain a great number of experimental data for a large range of energies and higher numbers of interaction processes. In any process will exist initial interactions, several different (competing) nuclear effects and different detector resolutions. These experimental results for different types of hadrons in nuclei must be considered for modeling the intranuclear processes and represent a way to choose between models and to impose a constrain of the parameters in those models. The analysis presented in this communication puts in evidence the necessity to identify a way to isolate different channels and thus to constrain models, or to find new observables that permit to separate out different effects. In parallel, in this presentation, an analysis of different event generators was done. A particular discussion about the models of interactions included in the new Marley code for 40Ar(νe, e−)40K* inclusive cross-sections was done.


Acknowledgement:
This work was performed with the financial support of PNCDI III 2015-2020, Programme 5, Module CERN-RO, contract no. 2/2020.