Ana B. Nuñez Chico

ORCID: 0000-0002-5637-0081
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About
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Research Areas
  • Superconducting Materials and Applications
  • Physics of Superconductivity and Magnetism
  • Superconductivity in MgB2 and Alloys
  • Dark Matter and Cosmic Phenomena
  • Cosmology and Gravitation Theories
  • HVDC Systems and Fault Protection
  • Particle physics theoretical and experimental studies
  • Frequency Control in Power Systems
  • Cold Atom Physics and Bose-Einstein Condensates
  • Computational Physics and Python Applications

Canfranc Underground Laboratory
2022

Instituto de Nanociencia y Materiales de Aragón
2020

Universidad de Zaragoza
2015-2020

We propose a novel experiment, the Canfranc Axion Detection Experiment (CADEx), to probe dark matter axions with masses in range 330-460 $\mu$eV, within W-band (80-110 GHz), an unexplored parameter space well-motivated window of Quantum ChromoDynamics (QCD) axions. The experimental design consists microwave resonant cavity haloscope high static magnetic field coupled highly sensitive detecting system based on Kinetic Inductance Detectors via optimized quasi-optics (horns and mirrors)....

10.1088/1475-7516/2022/11/044 article EN Journal of Cosmology and Astroparticle Physics 2022-11-01

The electromagnetic and thermal properties of a double pancake coil made second generation high temperature superconductor, 2G-HTS, have been studied. was wound with no-insulation between turns (NI coil) later impregnated epoxy resin glued to copper support plate. thermally anchored the cryocooler cold finger cooled by conduction. After several cycles no degradation its superconducting observed. operated under vacuum currents (up 400 A in steady conditions) at different temperatures range 5...

10.1016/j.cryogenics.2020.103070 article EN cc-by-nc-nd Cryogenics 2020-03-24

Early quench detection and thermal stability of superconducting coils are great relevance for practical applications. Magnets made with second generation high temperature (2G-HTS) tapes present low propagation velocities therefore slow voltage development local rises, which may cause irreversible damage. Since depends on the anisotropy conductivity, this be used to achieve an improvement robustness 2G-HTS coils. On pancake type coils, conductivity along (coil's azimuthal direction) is mostly...

10.1088/0953-2048/29/8/085012 article EN Superconductor Science and Technology 2016-06-30

Degradation of superconducting critical currents 2G-HTS coils may appear upon thermal cycling due to the tensile stress differences its elements that induce increasing tape damages. We report on and stability effects round epoxy-impregnated pancake under two cooling conditions (liquid nitrogen conduction cooling). Thermal has been analyzed by measuring quench development propagation. Minimum energy values longitudinal radial propagation velocities are reported. The influence different epoxy...

10.1109/tasc.2014.2364680 article EN IEEE Transactions on Applied Superconductivity 2015-01-15

We propose a novel experiment, the Canfranc Axion Detection Experiment (CADEx), to probe dark matter axions with masses in range 330-460 $μ$eV, within W-band (80-110 GHz), an unexplored parameter space well-motivated window of Quantum ChromoDynamics (QCD) axions. The experimental design consists microwave resonant cavity haloscope high static magnetic field coupled highly sensitive detecting system based on Kinetic Inductance Detectors via optimized quasi-optics (horns and mirrors)....

10.48550/arxiv.2206.02980 preprint EN other-oa arXiv (Cornell University) 2022-01-01
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