Changes for page Diego González Díaz

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1		-High-pressure operation of optical time projection chambers for neutrino physics
	1	+Diego González Díaz

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1	1	=== Speeding up the numerical solution of the Boltzmann Equation in Diffusion Approximation ===
2		-==== Supervisor: Pablo Amedo Martínez
	2	+==== Supervisor: Sergio Barrera Cabodevila
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5		-The recent technological demonstration of the ability to reconstruct minimum ionizing particles and time-tagging the interaction, simultaneously, by using ultra-fast optical cameras (2ns event rate) is transformational towards next-generation neutrino and rare event experiments. The ability to reconstruct the interaction at 2mm-sampling and 1ns-resolution, for the first time in gas phase, will allow to reconstruct the neutrino interaction to unprecedented precision in next-generation neutrino oscillation experiments, such as DUNE.
	5	+The Kinetic Theory framework is a state-of-the-art weak-coupling tool to explore the thermalization in heavy-ion collisions. The Boltzmann Equation in Diffusion Approximation (BEDA) is one particular implementation of a kinetic theory for which a GPU-based code has been recently developed. This code has an important issue of instabilities that significantly decreases its efficiency related to the numerical integration of the diffusion terms with the finite volume method. In this stay, we propose that the student modify this integration with a Crank-Nicolson method that does not suffer from these instabilities. The student will familiarize with the kinetic theory framework, very close to the kinetic description in statistical mechanics, as well as novel computational tools such as GPU programming. It is strongly recommended to have previous knowledge of basic computational techniques to solve partial differential equations. Prior C++ knowledge is also advisable.
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7		-We aim at an experimental campaign in July this year, designed to explore the pressure range above atmospheric (1-3bar) and establish the detector performance in those conditions, about half its way towards the envisaged conditions of our technological demonstrator (7bar).
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9		-Besides participating in the experimental campaign, working as part of a team, we expect the student to help processing the event images, and characterizing the detector performance in view of its final application as a neutrino detector.
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