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19 results on '"Vincent Bertin"'

1. Contactless rheology of finite-size air-water interfaces

Author

Vincent Bertin, Zaicheng Zhang, Rodolphe Boisgard, Christine Grauby-Heywang, Elie Raphaël, Thomas Salez, and Abdelhamid Maali

Subjects
Physics, QC1-999
Abstract

We present contactless atomic force microscopy measurements of the hydrodynamic interactions between an oscillating sphere and a bubble in water at the microscale. The size of the bubble is found to have a significant effect on the response due to the long-range capillary deformation of the air-water interface. To rationalize the experimental data, we develop a viscocapillary lubrication model accounting for the finite-size effect. The comparison between experiments and theory allows us to measure the air-water surface tension, without contact and with the volume of liquid down to tens of microliters, paving the way toward robust contactless tensiometry of polluted air-water interfaces.

Published
2021
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2. Microplastics in the abyss: a first investigation into sediments at 2443-m depth (Toulon, France)

Author

Laura Cutroneo, Marco Capello, Alba Domi, Sirio Consani, Patrick Lamare, Paschal Coyle, Vincent Bertin, Damien Dornic, Anna Reboa, Irene Geneselli, Marco Anghinolfi, Università degli studi di Genova = University of Genoa (UniGe), Centre de Physique des Particules de Marseille (CPPM), and Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS]Physics [physics], Geologic Sediments, KM3NeT project, Microplastics, Toulon (France), Health, Toxicology and Mutagenesis, Sea currents, mu Raman, General Medicine, Pollution, Deep sea, K3NeT project, Deep sea, K3NeT project, Microplastics, Sea currents, Toulon (France), µRaman, Mediterranean Sea, Environmental Chemistry, µRaman, Plastics, Water Pollutants, Chemical, Environmental Monitoring
Abstract

International audience; Plastic and microplastic pollutions are known to be widespread across the planet in all types of environments. However, relatively little about microplastic quantities in the deeper areas of the oceans is known, due to the difficulty to reach these environments. In this work, we present an investigation of microplastic (

Published
2022
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3. Nanoparticle Taylor dispersion near charged surfaces with an open boundary

Author

Alexandre Vilquin, Vincent Bertin, Elie Raphaël, David S. Dean, Thomas Salez, Joshua D. McGraw, Gulliver (UMR 7083), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Ondes et Matière d'Aquitaine (LOMA), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), University of Twente, IPGG, ANR-19-CE06-0021,CoPinS,Confinement des Polymères en Solution : Recherches Optiques Avancées Sous Confinement Extrême(2019), ANR-21-ERCC-0010,EMetBrown,Mouvement brownien au voisinage d'interfaces molles(2021), ANR-21-CE06-0029,SOFTER,Capteur Interférométrique de Contraintes de Surface(2021), ANR-21-CE06-0039,FRICOLAS,Frottements dans les systèmes complexes(2021), and European Project: ERC CoG 101039103,EMetBrown

Subjects
[PHYS.PHYS.PHYS-FLU-DYN]Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], Statistical Mechanics (cond-mat.stat-mech), Microfluidics, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, General Physics and Astronomy, Shear flows, Taylor dispersion, Physics - Fluid Dynamics, Condensed Matter - Soft Condensed Matter, Nanoparticle dispersion, Soft Condensed Matter (cond-mat.soft), [PHYS.COND.CM-SM]Physics [physics]/Condensed Matter [cond-mat]/Statistical Mechanics [cond-mat.stat-mech], [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft], Condensed Matter - Statistical Mechanics
Abstract

The dispersive spreading of microscopic particles in shear flows is influenced both by advection and thermal motion. At the nanoscale, interactions between such particles and their confining boundaries become unavoidable. We address the roles of electrostatic repulsion and absorption on the spatial distribution and dispersion of charged nanoparticles in near-surface shear flows, observed under evanescent illumination. The electrostatic repulsion between particles and the lower charged surface is tuned by varying electrolyte concentrations. Particles leaving the field of vision can be neglected from further analysis, such that the experimental ensemble is equivalent to that of Taylor dispersion with absorption. These two ingredients modify the particle distribution, deviating strongly from the Gibbs-Boltzmann one at the nanoscale studied here. The overall effect is to restrain the accessible space available to particles, leading to a striking, ten-fold reduction in the spreading dynamics as compared to the non-interacting case.

Published
2023

4. Mechanical response of a thick poroelastic gel in contactless colloidal-probe rheology

Author

Caroline Kopecz-Muller, Vincent Bertin, Elie Raphaël, Joshua D. McGraw, Thomas Salez, Gulliver (UMR 7083), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Ondes et Matière d'Aquitaine (LOMA), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), University of Twente, ANR-19-CE06-0021,CoPinS,Confinement des Polymères en Solution : Recherches Optiques Avancées Sous Confinement Extrême(2019), ANR-21-ERCC-0010,EMetBrown,Mouvement brownien au voisinage d'interfaces molles(2021), ANR-21-CE06-0029,SOFTER,Capteur Interférométrique de Contraintes de Surface(2021), ANR-21-CE06-0039,FRICOLAS,Frottements dans les systèmes complexes(2021), and European Project: ERC CoG 101039103,EMetBrown

Subjects
[PHYS.PHYS.PHYS-FLU-DYN]Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], Condensed Matter - Materials Science, General Mathematics, General Engineering, General Physics and Astronomy, Materials Science (cond-mat.mtrl-sci), Classical Physics (physics.class-ph), FOS: Physical sciences, Physics - Classical Physics, Condensed Matter - Soft Condensed Matter, [PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph], [PHYS.MECA.SOLID]Physics [physics]/Mechanics [physics]/Solid mechanics [physics.class-ph], [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], Soft Condensed Matter (cond-mat.soft), [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]
Abstract

International audience; When a rigid object approaches a soft material in a viscous fluid, hydrodynamic stresses arise in the lubricated contact region and deform the soft material. The elastic deformation modifies in turn the flow, hence generating a soft-lubrication coupling. Moreover, soft elastomers and gels are often porous. These materials may be filled with solvent or uncrosslinked polymer chains, and might be permeable to the surrounding fluid, which complexifies further the description. Here, we derive the point-force response of a semi-infinite and permeable poroelastic substrate. Then, we use this fundamental solution in order to address the specific poroelastic lubrication coupling associated with contactless colloidal-probe methods. In particular, we derive the conservative and dissipative components of the force associated with the oscillating vertical motion of a sphere close to the poroelastic substrate. Our results may be relevant for dynamic surface force apparatus and contactless colloidal-probe atomic force microscopy experiments on soft, living and/or fragile materials, such as swollen hydrogels and biological membranes.

Published
2022

5. The Control Unit of the KM3NeT Data Acquisition System.

Author

Sebastiano Aiello, Fabrizio Ameli, Michel André 0002, Giorgos Androulakis, Marco Anghinolfi, Gisela Anton, Miguel Ardid, Julien Aublin, Christos Bagatelas, G. Barbarino, Bruny Baret, Suzan Basegmez du Pree, Meriem Bendahman, Edward Berbee, A. M. van den Berg, Vincent Bertin, Vincent van Beveren, Simone Biagi, and Juan Zúñiga

Published
2020
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6. Une force de portance élastohydrodynamique en matière molle

Author

Vincent Bertin, Thomas Salez, Baudouin Saintyves, Zaicheng Zheng, and Abdelhamid Maali

Subjects
0103 physical sciences, General Medicine, 010306 general physics, 01 natural sciences, 010305 fluids & plasmas
Abstract

La friction est un phénomène omniprésent, aux conséquences majeures. Une stratégie pour réduire les frottements entre deux objets est d’intercaler une couche de fluide lubrifiant. Pour des objets élastiques, le couplage entre leur déformation et la pression due à l’écoulement engendre des effets non triviaux, tels que l’apparition d’une force de portance. Dans ce contexte, le problème d’une particule libre dans un fluide et proche d’une paroi molle a été traité théoriquement – avec des prédictions étonnantes. La portance a été ensuite observée expérimentalement de manière indirecte, à diverses échelles. Enfin, sa première mesure directe et quantitative à l’échelle nanométrique a été réalisée.

Published
2021
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7. Rapid subduction in the deep North Western Mediterranean

Author

C. Richardt, D. Dornic, D. Lo Presti, G.E. Păvălaş, M. Morganti, Oleg Kalekin, Isabelle Taupier-Letage, K. Lyons, M. Circella, Uli Katz, A. Mazure, G. Halladjian, D. Zaborov, M. Ardid, A. Radu, Francisco Camarena, J. Hößl, H. Laschinsky, C. Curtil, A. Albert, M. Neff, Gisela Anton, Robert Lahmann, Vincenzo Cavasinni, C. Distefano, C. Donzaud, B. Vallage, A. Brown, U. Fritsch, Antonio Capone, P. Payre, C. M. Reed, Annarita Margiotta, J. J. Aubert, Jürgen Brunner, J.-L. Fuda, Maurizio Spurio, Anne Deschamps, R. Pillet, U. Emanuele, A.J. Heijboer, J. Carr, F. M. Schoeck, M. P. Decowski, C. Racca, F. Salesa, L. Tasca, Thierry Pradier, G. Guillard, J.J. Hernández-Rey, Gregory David Hallewell, H. Loehner, G. Lelaizant, C. Picq, S. Loucatos, Dominique Lefèvre, S.F. Biagi, E. A. De Wolf, Holger Motz, S. Basa, Vincent Bertin, M. Marcelin, N. Picot-Clemente, R. Auer, Juanan Aguilar, R. Ostasch, G. Wijnker, Manuela Vecchi, Ciro Bigongiari, Heide Costantini, Alexander Kappes, G. Riccobene, D. Castel, G.V. Russo, V. Flaminio, G. De Bonis, Giuseppina Larosa, J.P. Gómez-González, I. Dekeyser, F. Lucarelli, Jos Steijger, V. Van Elewyck, F. Fehr, Gilles Maurin, P. Vernin, Rezo Shanidze, P. Coyle, J. Zúñiga, Thomas Eberl, V. Popa, W. Kretschmer, J. P. Schuller, M.C. Bouwhuis, M. Rujoiu, Stephanie Escoffier, M. Bazzotti, J.-P. Ernenwein, P. Piattelli, Simona Toscano, K. Fratini, Manuel Bou-Cabo, Francesco Simeone, N. Cottini, Patrick Lamare, A. C.S. Assis Jesus, Tri L. Astraatmadja, Th. Stolarczyk, S. Anvar, S. Mangano, Yann Hello, Guillaume Lambard, J.A. Martínez-Mora, H. van Haren, E. Castorina, Kay Graf, Christian Tamburini, Ph. Charvis, J. Petrovic, G. Giacomelli, C. Naumann, G. Palioselitis, B. Baret, Doriane Drouhin, Antoine Kouchner, M. Melissas, H. Yepes, E. Presani, Tommaso Chiarusi, C. Kopper, Teresa Montaruli, R. Coniglione, J.D. Zornoza, Nasser Kalantar-Nayestanaki, M. de Jong, M. Anghinolfi, J. Busto, L. Moscoso, S. Cecchini, G. Lim, P. Kooijman, G. Carminati, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Centre d'océanologie de Marseille (COM), Université de la Méditerranée - Aix-Marseille 2-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Université Paris Cité (UPCité), Institut Pluridisciplinaire Hubert Curien (IPHC), and Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Convection, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, Subduction, Large detector systems for particle and astroparticle physics, Cherenkov detectors, visible and IR photons (vacuum), Vortex, Boundary current, law.invention, Telescope, Acoustic Doppler current profiler, Amplitude, Oceanography, Water column, law, [SDU]Sciences of the Universe [physics], Neutrino detectors, Photon detectors for UV, visible and IR photons (vacuum), Photon detectors for UV, Geology
Abstract

An Acoustic Doppler Current Profiler (ADCP) moored at the deep-sea ANTARES neutrino telescope site near Toulon, France, measured downward vertical currents of amplitudes up to 0.03 m s−1 in spring 2006. The currents were accompanied by enhanced levels of acoustic reflection by a factor of about 10 and by horizontal currents reaching 0.35 m s−1. These observations coincided with high levels of bioluminescence detected by the telescope. Although during winter 2006 deep dense-water formation occurred in this area, episodes of high levels of suspended particles and large vertical currents continuing into the summer are not direct evidence of this process. It is hypothesized that the main process allowing for particles to be moved across the entire water column (2500 m) within a few days, is local convection, triggered by small-mesoscale phenomena, such as meanders including a bipolar vortex, linked with boundary current instabilities.

Published
2022

8. Contactless Rheology of Soft Gels over a Broad Frequency Range

Author

Zaicheng Zhang, Muhammad Arshad, Vincent Bertin, Samir Almohamad, Elie Raphael, Thomas Salez, and Abdelhamid Maali

Subjects
Physics::Fluid Dynamics, Condensed Matter::Soft Condensed Matter, Condensed Matter - Materials Science, General Physics and Astronomy, Materials Science (cond-mat.mtrl-sci), Soft Condensed Matter (cond-mat.soft), Classical Physics (physics.class-ph), FOS: Physical sciences, Physics - Classical Physics, Condensed Matter - Soft Condensed Matter
Abstract

We report contactless measurements of the viscoelastic rheological properties of soft gels. The experiments are performed using a colloidal-probe Atomic Force Microscope (AFM) in a liquid environment and in dynamic mode. The mechanical response is measured as a function of the liquid gap thickness for different oscillation frequencies. Our measurements reveal an elastohydrodynamic (EHD) coupling between the flow induced by the probe oscillation and the viscoelastic deformation of the gels. The data are quantitatively described by a viscoelastic lubrication model. The frequency-dependent storage and loss moduli of the polydimethylsiloxane (PDMS) gels are extracted from fits of the data to the model and are in good agreement with the Chasset--Thirion law. Our results demonstrate that contactless colloidal-probe methods are powerful tools that can be used for probing soft interfaces finely over a wide range of frequencies.

Published
2022

9. Enhanced Dip Coating on a Soft Substrate

Author

Vincent Bertin, Jacco H. Snoeijer, Elie Raphaël, Thomas Salez, Physics of Fluids, and MESA+ Institute

Subjects
Fluid Flow and Transfer Processes, Condensed Matter::Soft Condensed Matter, Physics::Fluid Dynamics, Modeling and Simulation, Computational Mechanics, Soft Condensed Matter (cond-mat.soft), Classical Physics (physics.class-ph), FOS: Physical sciences, Physics - Classical Physics, Condensed Matter - Soft Condensed Matter
Abstract

A solid, withdrawn from a wetting liquid bath, entrains a thin liquid film. This simple process, first described by Landau, Levich, and Derjaguin (LLD), is commonly observed in everyday life. It also plays a central role in liquid capture by animals, and is widely used for surface-coating purposes in industry. Motivated by the emerging interest in the mechanics of very soft materials, and in particular the resulting elastocapillary coupling, we develop a dip-coating model that accounts for the additional presence of a soft solid layer atop the rigid plate. The elastic response of this soft layer is described by a Winkler's foundation. Using a combination of numerical, scaling, and asymptotic-matching methods, we find a new softness-dependent power-law regime for the thickness of entrained liquid at a small capillary number, which corresponds to a modified physics at play in the dynamic meniscus. The crossover between this regime and the classical dip-coating one occurs when the substrate's deformation is comparable to the thickness of the entrained liquid film.

Published
2022
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10. Capillary levelling of immiscible bilayer films

Author

Vincent Bertin, Carmen Lee, Elie Raphaël, Thomas Salez, Kari Dalnoki-Veress, Laboratoire Ondes et Matière d'Aquitaine (LOMA), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), McMaster University [Hamilton, Ontario], Gulliver (UMR 7083), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.PHYS.PHYS-FLU-DYN]Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], Materials science, Capillary action, FOS: Physical sciences, 02 engineering and technology, Condensed Matter - Soft Condensed Matter, 01 natural sciences, [PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph], Physics::Fluid Dynamics, Viscosity, 0103 physical sciences, Fluid dynamics, [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], Laplace pressure, 010306 general physics, Couette flow, Plug flow, Mechanical Engineering, Bilayer, Fluid Dynamics (physics.flu-dyn), Physics - Fluid Dynamics, Mechanics, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Hagen–Poiseuille equation, Condensed Matter::Soft Condensed Matter, Mechanics of Materials, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], Soft Condensed Matter (cond-mat.soft), 0210 nano-technology, [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]
Abstract

International audience; Flow in thin films is highly dependent on the boundary conditions. Here, we study the capillary levelling of thin bilayer films composed of two immiscible liquids. Specifically, a stepped polymer layer is placed atop another, flat polymer layer. The Laplace pressure gradient resulting from the curvature of the step induces flow in both layers, which dissipates the excess capillary energy stored in the stepped interface. The effect of different viscosity ratios between the bottom and top layers is investigated. We invoke a long-wave expansion of low-Reynolds-number hydrodynamics to model the energy dissipation due to the coupled viscous flows in the two layers. Good agreement is found between the experiments and the model. Analysis of the latter further reveals an interesting double crossover in time, from Poiseuille flow, to plug flow, and finally to Couette flow. The crossover time scales depend on the viscosity ratio between the two liquids, allowing for the dissipation mechanisms to be selected and finely tuned by varying this ratio.

Published
2021
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11. Soft-lubrication interactions between a rigid sphere and an elastic wall

Author

Vincent Bertin, Yacine Amarouchene, Elie Raphaël, Thomas Salez, Laboratoire Ondes et Matière d'Aquitaine (LOMA), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), Gulliver (UMR 7083), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), and ANR-21-ERCC-0010,EMetBrown,Mouvement brownien au voisinage d'interfaces molles(2021)

Subjects
[PHYS.PHYS.PHYS-FLU-DYN]Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Mechanics of the fluids [physics.class-ph], Mechanical Engineering, Fluid Dynamics (physics.flu-dyn), Classical Physics (physics.class-ph), FOS: Physical sciences, Physics - Classical Physics, Physics - Fluid Dynamics, Condensed Matter - Soft Condensed Matter, Condensed Matter Physics, [PHYS.MECA.SOLID]Physics [physics]/Mechanics [physics]/Mechanics of the solides [physics.class-ph], 01 natural sciences, 010305 fluids & plasmas, [PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph], Physics::Fluid Dynamics, Mechanics of Materials, lubrication theory, colloids, 0103 physical sciences, [PHYS.MECA.SOLID]Physics [physics]/Mechanics [physics]/Solid mechanics [physics.class-ph], Soft Condensed Matter (cond-mat.soft), [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], 010306 general physics, [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]
Abstract

International audience; The motion of an object within a viscous fluid and in the vicinity of a soft surface induces a hydrodynamic stress field that deforms the latter, thus modifying the boundary conditions of the flow. This results in elastohydrodynamic (EHD) interactions experienced by the particle. Here, we derive a soft-lubrication model, in order to compute all the forces and torque applied on a rigid sphere that is free to translate and rotate near an elastic wall. We focus on the limit of small deformations of the surface with respect to the fluid-gap thickness, and perform a perturbation analysis in dimensionless compliance. The response is computed in the framework of linear elasticity, for planar elastic substrates in the limiting cases of thick and thin layers. The EHD forces are also obtained analytically using the Lorentz reciprocal theorem.

Published
2021
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12. Time dependence of advection-diffusion coupling for nanoparticle ensembles

Author

Vincent Bertin, Pierre Soulard, Thomas Salez, Frédéric Restagno, Gabriel Guyard, Elie Raphaël, Alexandre Vilquin, Joshua D. McGraw, Gulliver, Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Ondes et Matière d'Aquitaine (LOMA), Centre National de la Recherche Scientifique (CNRS)-Université de Bordeaux (UB), Laboratoire de Physique des Solides (LPS), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Gulliver (UMR 7083), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11), ANR-15-CE06-0005,ENCORE,Récupération assistée du pétrole: du contrôle des interfaces à la nanofluidique(2015), ANR-19-CE06-0021,CoPinS,Confinement des Polymères en Solution : Recherches Optiques Avancées Sous Confinement Extrême(2019), and ANR-21-ERCC-0010,EMetBrown,Mouvement brownien au voisinage d'interfaces molles(2021)

Subjects
Materials science, Taylor dispersion, Computational Mechanics, FOS: Physical sciences, Physics - Classical Physics, Condensed Matter - Soft Condensed Matter, 01 natural sciences, 010305 fluids & plasmas, [SPI]Engineering Sciences [physics], 0103 physical sciences, Dispersion (optics), [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], Diffusion (business), 010306 general physics, Fluid Flow and Transfer Processes, Steady state, [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Mechanics of the fluids [physics.class-ph], Velocity gradient, Classical Physics (physics.class-ph), Mechanics, Nanopore, Orders of magnitude (time), Modeling and Simulation, Soft Condensed Matter (cond-mat.soft), Particle, [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]
Abstract

International audience; Advection-diffusion coupling can enhance particle and solute dispersion by orders of magnitude as compared to pure diffusion, with a steady state being reached for confined flow regions such as a nanopore or blood vessel. Here, by using evanescent wave microscopy, we measure for the first time the full dynamics of Taylor dispersion, highlighting the crucial role of the initial concentration profile. We make time-dependent, nanometrically-resolved particle dispersion measurements varying nanoparticle size, velocity gradient, and viscosity in sub-micrometric near-surface flows. Such resolution permits a measure of the full dynamical approach and crossover into the steady state, revealing a family of master curves. Remarkably, our results show that the dynamics depend sensitively on the initial spatial distribution of the nanoparticles. These observations are in quantitative agreement with existing analytical models and numerical simulations performed herein. We anticipate that our study will be a first step toward observing and modelling more complex situations at the nanoscale, such as target finding and chemical reactions in nanoconfined flows, dynamical adsorption and capture problems, as well as nanoscale drug delivery systems.

Published
2020

13. Symmetrization of Thin Freestanding Liquid Films via a Capillary-Driven Flow

Author

Elie Raphaël, Kari Dalnoki-Veress, Vincent Bertin, Howard A. Stone, Thomas Salez, John Niven, Laboratoire Ondes et Matière d'Aquitaine (LOMA), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), McMaster University [Hamilton, Ontario], Department of Mechanical and Aerospace Engineering [Princeton] (MAE), Princeton University, Gulliver (UMR 7083), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.PHYS.PHYS-FLU-DYN]Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], Materials science, Capillary action, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, General Physics and Astronomy, Perturbation (astronomy), Membrane thickness, Physics - Fluid Dynamics, Mechanics, Condensed Matter - Soft Condensed Matter, 01 natural sciences, Surface tension, Physics::Fluid Dynamics, [PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph], Viscosity, 0103 physical sciences, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], Soft Condensed Matter (cond-mat.soft), Symmetrization, [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], 010306 general physics, [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]
Abstract

International audience; We present experiments to study the relaxation of a nano-scale cylindrical perturbation at one of the two interfaces of a thin viscous free-standing polymeric film. Driven by capillarity, the film flows and evolves towards equilibrium by first symmetrizing the perturbation between the two interfaces, and eventually broadening the perturbation. A full-Stokes hydrodynamic model is presented which accounts for both the vertical and lateral flows, and which highlights the symmetry in the system. The symmetrization time is found to depend on the membrane thickness, surface tension, and viscosity.

Published
2020

14. KM3NeT front-end and readout electronics system: hardware, firmware and software

Author

Sebastiano Aiello, Annarita Margiotta, Antonio Marinelli, Christos Markou, Gregory Martignac, Lilian Martin, Juan A. Martínez-Mora, Agnese Martini, Fabio Marzaioli, Safaa Mazzou, Rosa Mele, Karel W. Melis, Pasquale Migliozzi, Emilio Migneco, Piotr Mijakowski, Luis S. Miranda, Carlos M. Mollo, Mauro Morganti, Michael Moser, Abdelilah Moussa, Rasa Muller, Paolo Musico, Mario Musumeci, Lodewijk Nauta, Sergio Navas, Carlo A. Nicolau, Christine Nielsen, Brian Ó Fearraigh, Mukharbek Organokov, Angelo Orlando, Gogita Papalashvili, Riccardo Papaleo, Cosimo Pastore, Gabriela E. Păvălaş, Giuliano Pellegrini, Carmelo Pellegrino, Mathieu Perrin-Terrin, Paolo Piattelli, Camiel Pieterse, Konstantinos Pikounis, Ofelia Pisanti, Chiara Poirè, Georgia Polydefki, Vlad Popa, Maarten Post, Thierry Pradier, Gerd Pühlhofer, Sara Pulvirenti, Liam Quinn, Fabrizio Raffaelli, Nunzio Randazzo, Antonio Rapicavoli, Soebur Razzaque, Diego Real, Stefan Reck, Jonas Reubelt, Giorgio Riccobene, Marc Richer, Louis Rigalleau, Alberto Rovelli, Ilenia Salvadori, Dorothea F. E. Samtleben, Agustin Sánchez Losa, Matteo Sanguineti, Andrea Santangelo, Domenico Santonocito, Piera Sapienza, Jan-Willem Schmelling, Jutta Schnabel, Virginia Sciacca, Jordan Seneca, Irene Sgura, Rezo Shanidze, Ankur Sharma, Francesco Simeone, Anna Sinopoulou, Bernardino Spisso, Maurizio Spurio, Dimitris Stavropoulos, Jos Steijger, Simona M. Stellacci, Bruno Strandberg, Dominik Stransky, Mauro Taiuti, Yahya Tayalati, Enrique Tenllado, Tarak Thakore, Paul Timmer, Steven Tingay, Ekaterini Tzamariudaki, Dimitrios Tzanetatos, Veronique Van Elewyck, Federico Versari, Salvo Viola, Daniele Vivolo, Gwenhael de Wasseige, Joern Wilms, Rafał Wojaczyński, Els de Wolf, Dmitry Zaborov, Angela Zegarelli, Juan D. Zornoza, Juan Zúñiga, Vasilis Panagopoulos, Fabrizio Ameli, Michel Andre, Giorgos Androulakis, Marco Anghinolfi, Gisela Anton, Miquel Ardid, Julien Aublin, Christos Bagatelas, Giancarlo Barbarino, Bruny Baret, Suzan Basegmez du Pree, Anastasios Belias, Meriem Bendahman, Edward Berbee, Ad M. van den Berg, Vincent Bertin, Vincent van Beveren, Simone Biagi, Andrea Biagioni, Matthias Bissinger, Pascal Bos, Jihad Boumaaza, Simon Bourret, Mohammed Bouta, Gilles Bouvet, Mieke Bouwhuis, Cristiano Bozza, Horea Brânzaş, Max M. Briel, Marc Bruchner, Ronald Bruijn, Jurgen Brunner, Ernst-Jan Buis, Raffaele Buompane, Jose Busto, David Calvo, Antonio Capone, Silvia Celli, Mohamed Chabab, Nhan Chau, Silvio Cherubini, Vitaliano Chiarella, Tommaso Chiarusi, Marco Circella, Rosanna Cocimano, Joao A. B. Coelho, Alexis Coleiro, Marta C. Molla, Stephane Colonges, Rosa Coniglione, Paschal Coyle, Alexandre Creusot, Giacomo Cuttone, Antonio D’Amico, Antonio D’Onofrio, Richard Dallier, Mauro De Palma, Irene Di Palma, Antonio F. Díaz, Didac Diego-Tortosa, Carla Distefano, Alba Domi, Roberto Donà, Corinne Donzaud, Damien Dornic, Manuel Dörr, Mora Durocher, Thomas Eberl, Thijs van Eeden, Imad El Bojaddaini, Hassnae Eljarrari, Dominik Elsaesser, Alexander Enzenhöfer, Paolo Fermani, Giovanna Ferrara, Miroslav D. Filipović, Luigi A. Fusco, Deepak Gajanana, Tamas Gal, Alfonso Garcia Soto, Fabio Garufi, Lucio Gialanella, Emidio Giorgio, Sara R. Gozzini, Rodrigo Gracia, Kay Graf, Dario Grasso, Timothee Grégoire, Giuseppe Grella, Daniel Guderian, Carlo Guidi, Steffen Hallmann, Hassane Hamdaoui, Hans van Haren, Aart Heijboer, Amar Hekalo, Juan J. Hernández-Rey, Jannik Hofestädt, Feifei Huang, Enrique H. Santiago, Giulia Illuminati, Clancy W. James, Peter Jansweijer, Martijn Jongen, Maarten de Jong, Paul de Jong, Matthias Kadler, Piotr Kalaczyński, Oleg Kalekin, Uli F. Katz, Nafis R. Khan Chowdhury, Frits van der Knaap, Els N. Koffeman, Paul Kooijman, Antoine Kouchner, Michael Kreter, Vladimir Kulikovskiy, Robert Lahmann, Giuseppina Larosa, Remy Le Breton, Francesco Leone, Emanuele Leonora, Giuseppe Levi, Massimiliano Lincetto, Miles Lindsey Clark, Alessandro Lonardo, Fabio Longhitano, Daniel Lopez-Coto, Giuliano Maggi, Jerzy Mańczak, Karl Mannheim, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - Faculté des Sciences et des Techniques, Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Centre National de la Recherche Scientifique (CNRS), Institut Universitaire de France (IUF), Ministère de l'Education nationale, de l’Enseignement supérieur et de la Recherche (M.E.N.E.S.R.), KM3NeT, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Nantes université - UFR des Sciences et des Techniques (Nantes univ - UFR ST), Nantes Université - pôle Sciences et technologie, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Sciences et technologie, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Aiello, Sebastiano, Margiotta, Annarita, Marinelli, Antonio, Markou, Christo, Martignac, Gregory, Martin, Lilian, Martínez-Mora, Juan A., Martini, Agnese, Marzaioli, Fabio, Mazzou, Safaa, Mele, Rosa, Melis, Karel W., Migliozzi, Pasquale, Migneco, Emilio, Mijakowski, Piotr, Miranda, Luis S., Mollo, Carlos M., Morganti, Mauro, Moser, Michael, Moussa, Abdelilah, Muller, Rasa, Musico, Paolo, Musumeci, Mario, Nauta, Lodewijk, Navas, Sergio, Nicolau, Carlo A., Nielsen, Christine, Fearraigh, Brian Ó, Organokov, Mukharbek, Orlando, Angelo, Papalashvili, Gogita, Papaleo, Riccardo, Pastore, Cosimo, Păvălaş, Gabriela E., Pellegrini, Giuliano, Pellegrino, Carmelo, Perrin-Terrin, Mathieu, Piattelli, Paolo, Pieterse, Camiel, Pikounis, Konstantino, Pisanti, Ofelia, Poirè, Chiara, Polydefki, Georgia, Popa, Vlad, Post, Maarten, Pradier, Thierry, Pühlhofer, Gerd, Pulvirenti, Sara, Quinn, Liam, Raffaelli, Fabrizio, Randazzo, Nunzio, Rapicavoli, Antonio, Razzaque, Soebur, Real, Diego, Reck, Stefan, Reubelt, Jona, Riccobene, Giorgio, Richer, Marc, Rigalleau, Loui, Rovelli, Alberto, Salvadori, Ilenia, Samtleben, Dorothea F. E., Sánchez Losa, Agustin, Sanguineti, Matteo, Santangelo, Andrea, Santonocito, Domenico, Sapienza, Piera, Schmelling, Jan-Willem, Schnabel, Jutta, Sciacca, Virginia, Seneca, Jordan, Sgura, Irene, Shanidze, Rezo, Sharma, Ankur, Simeone, Francesco, Sinopoulou, Anna, Spisso, Bernardino, Spurio, Maurizio, Stavropoulos, Dimitri, Steijger, Jo, Stellacci, Simona M., Strandberg, Bruno, Stransky, Dominik, Taiuti, Mauro, Tayalati, Yahya, Tenllado, Enrique, Thakore, Tarak, Timmer, Paul, Tingay, Steven, Tzamariudaki, Ekaterini, Tzanetatos, Dimitrio, Van Elewyck, Veronique, Versari, Federico, Viola, Salvo, Vivolo, Daniele, de Wasseige, Gwenhael, Wilms, Joern, Wojaczyński, Rafał, de Wolf, El, Zaborov, Dmitry, Zegarelli, Angela, Zornoza, Juan D., Zúñiga, Juan, Panagopoulos, Vasili, Ameli, Fabrizio, Andre, Michel, Androulakis, Giorgo, Anghinolfi, Marco, Anton, Gisela, Ardid, Miquel, Aublin, Julien, Bagatelas, Christo, Barbarino, Giancarlo, Baret, Bruny, Basegmez du Pree, Suzan, Belias, Anastasio, Bendahman, Meriem, Berbee, Edward, van den Berg, Ad M., Bertin, Vincent, van Beveren, Vincent, Biagi, Simone, Biagioni, Andrea, Bissinger, Matthia, Bos, Pascal, Boumaaza, Jihad, Bourret, Simon, Bouta, Mohammed, Bouvet, Gille, Bouwhuis, Mieke, Bozza, Cristiano, Brânzaş, Horea, Briel, Max M., Bruchner, Marc, Bruijn, Ronald, Brunner, Jurgen, Buis, Ernst-Jan, Buompane, Raffaele, Busto, Jose, Calvo, David, Capone, Antonio, Celli, Silvia, Chabab, Mohamed, Chau, Nhan, Cherubini, Silvio, Chiarella, Vitaliano, Chiarusi, Tommaso, Circella, Marco, Cocimano, Rosanna, Coelho, Joao A. B., Coleiro, Alexi, Molla, Marta C., Colonges, Stephane, Coniglione, Rosa, Coyle, Paschal, Creusot, Alexandre, Cuttone, Giacomo, D’Amico, Antonio, D’Onofrio, Antonio, Dallier, Richard, De Palma, Mauro, Di Palma, Irene, Díaz, Antonio F., Diego-Tortosa, Didac, Distefano, Carla, Domi, Alba, Donà, Roberto, Donzaud, Corinne, Dornic, Damien, Dörr, Manuel, Durocher, Mora, Eberl, Thoma, van Eeden, Thij, El Bojaddaini, Imad, Eljarrari, Hassnae, Elsaesser, Dominik, Enzenhöfer, Alexander, Fermani, Paolo, Ferrara, Giovanna, Filipović, Miroslav D., Fusco, Luigi A., Gajanana, Deepak, Gal, Tama, Garcia Soto, Alfonso, Garufi, Fabio, Gialanella, Lucio, Giorgio, Emidio, Gozzini, Sara R., Gracia, Rodrigo, Graf, Kay, Grasso, Dario, Grégoire, Timothee, Grella, Giuseppe, Guderian, Daniel, Guidi, Carlo, Hallmann, Steffen, Hamdaoui, Hassane, van Haren, Han, Heijboer, Aart, Hekalo, Amar, Hernández-Rey, Juan J., Hofestädt, Jannik, Huang, Feifei, Santiago, Enrique H., Illuminati, Giulia, James, Clancy W., Jansweijer, Peter, Jongen, Martijn, de Jong, Maarten, de Jong, Paul, Kadler, Matthia, Kalaczyński, Piotr, Kalekin, Oleg, Katz, Uli F., Khan Chowdhury, Nafis R., van der Knaap, Frit, Koffeman, Els N., Kooijman, Paul, Kouchner, Antoine, Kreter, Michael, Kulikovskiy, Vladimir, Lahmann, Robert, Larosa, Giuseppina, Le Breton, Remy, Leone, Francesco, Leonora, Emanuele, Levi, Giuseppe, Lincetto, Massimiliano, Lindsey Clark, Mile, Lonardo, Alessandro, Longhitano, Fabio, Lopez-Coto, Daniel, Maggi, Giuliano, Mańczak, Jerzy, Mannheim, Karl, Centre Tecnològic de Vilanova i la Geltrú, Universitat Politècnica de Catalunya. LAB - Laboratori d'Aplicacions Bioacústiques, Sebastiano Aiello, Fabrizio Ameli, Michel Andre, Giorgos Androulaki, Marco Anghinolfi, Gisela Anton, Miquel Ardid, Julien Aublin, Christos Bagatela, Giancarlo Barbarino, Bruny Baret, Suzan Basegmez du Pree, Anastasios Belia, Meriem Bendahman, Edward Berbee, Ad M. van den Berg, Vincent Bertin, Vincent van Beveren, Simone Biagi, Andrea Biagioni, Matthias Bissinger, Pascal Bo, Jihad Boumaaza, Simon Bourret, Mohammed Bouta, Gilles Bouvet, Mieke Bouwhui, Cristiano Bozza, Horea Brânza, Max M. Briel, Marc Bruchner, Ronald Bruijn, Jurgen Brunner, Ernst-Jan Bui, Raffaele Buompane, Jose Busto, David Calvo, Antonio Capone, Silvia Celli, Mohamed Chabab, Nhan Chau, Silvio Cherubini, Vitaliano Chiarella, Tommaso Chiarusi, Marco Circella, Rosanna Cocimano, Joao A. B. Coelho, Alexis Coleiro, Marta C. Molla, Stephane Colonge, Rosa Coniglione, Paschal Coyle, Alexandre Creusot, Giacomo Cuttone, Antonio D’Amico, Antonio D’Onofrio, Richard Dallier, Mauro De Palma, Irene Di Palma, Antonio F. Díaz, Didac Diego-Tortosa, Carla Distefano, Alba Domi, Roberto Donà, Corinne Donzaud, Damien Dornic, Manuel Dörr, Mora Durocher, Thomas Eberl, Thijs van Eeden, Imad El Bojaddaini, Hassnae Eljarrari, Dominik Elsaesser, Alexander Enzenhöfer, Paolo Fermani, Giovanna Ferrara, Miroslav D. Filipovic ́, Luigi A. Fusco, Deepak Gajanana, Tamas Gal, Alfonso Garcia Soto, Fabio Garufi, Lucio Gialanella, Emidio Giorgio, Sara R. Gozzini, Rodrigo Gracia, Kay Graf, Dario Grasso, Timothee Grégoire, Giuseppe Grella, Daniel Guderian, Carlo Guidi, Steffen Hallmann, Hassane Hamdaoui, Hans van Haren, Aart Heijboer, Amar Hekalo, Juan J. Hernández-Rey, Jannik Hofestädt, Feifei Huang, Enrique H. Santiago, Giulia Illuminati, Clancy W. Jame, Peter Jansweijer, Martijn Jongen, Maarten de Jong, Paul de Jong, Matthias Kadler, Piotr Kalaczynski, Oleg Kalekin, Uli F. Katz, Nafis R. Khan Chowdhury, Frits van der Knaap, Els N. Koffeman, Paul Kooijman, Antoine Kouchner, Michael Kreter, Vladimir Kulikovskiy, Robert Lahmann, Giuseppina Larosa, Remy Le Breton, Francesco Leone, Emanuele Leonora, Giuseppe Levi, Massimiliano Lincetto, Miles Lindsey Clark, Alessandro Lonardo, Fabio Longhitano, Daniel Lopez-Coto, Giuliano Maggi, Jerzy Ma ́nczak, Karl Mannheim, Annarita Margiotta, Antonio Marinelli, Christos Markou, Gregory Martignac, Lilian Martin, Juan A. Martínez-Mora, Agnese Martini, Fabio Marzaioli, Safaa Mazzou, Rosa MeleKarel W. Meli, Pasquale Migliozzi, Emilio Migneco, Piotr Mijakowski, Luis S. Miranda, Carlos M. Mollo, Mauro Morganti, Michael Moser, Abdelilah Moussa, Rasa Muller, Paolo Musico, Mario Musumeci, Lodewijk Nauta, Sergio Nava, Carlo A. Nicolau, Christine Nielsen, Brian Ó Fearraigh, Mukharbek Organokov, Angelo Orlando, Vasilis Panagopoulo, Gogita Papalashvili, Riccardo Papaleo, Cosimo Pastore, Gabriela E. Păvăla ̧, Giuliano Pellegrini, Carmelo Pellegrino, Mathieu Perrin-Terrin, Paolo Piattelli, Camiel Pieterse, Konstantinos Pikouni, Ofelia Pisanti, Chiara Poirè, Georgia Polydefki, Vlad Popa, Maarten Post, Thierry Pradier, Gerd Pühlhofer, Sara Pulvirenti, Liam Quinn, Fabrizio Raffaelli, Nunzio Randazzo, Antonio Rapicavoli, Soebur Razzaque, Diego Real, Stefan Reck, Jonas Reubelt, Giorgio Riccobene, Marc Richer, Louis Rigalleau, Alberto Rovelli, Ilenia Salvadori, Dorothea F. E. Samtleben, Agustin Sánchez Losa, Matteo Sanguineti, Andrea Santangelo, Domenico Santonocito, Piera Sapienza, Jan-Willem Schmelling, Jutta Schnabel, Virginia Sciacca, Jordan Seneca, Irene Sgura, Rezo Shanidze, Ankur Sharma, Francesco Simeone, Anna Sinopoulou, Bernardino Spisso, Maurizio Spurio, Dimitris Stavropoulo, Jos Steijger, Simona M. Stellacci, Bruno Strandberg, Dominik Stransky, Mauro Taiuti, Yahya Tayalati, Enrique Tenllado, Tarak Thakore, Paul Timmer, Steven Tingay, Ekaterini Tzamariudaki, Dimitrios Tzanetato, Veronique Van Elewyck, Federico Versari, Salvo Viola, Daniele Vivolo, Gwenhael de Wasseige, Joern Wilm, Rafał Wojaczy ́nski, Els de Wolf, Dmitry Zaborov, Angela Zegarelli, Juan D. Zornoza, Juan Zúñiga, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Research unit Astroparticle Physics, and 33379009 - Kreter, Michael

Subjects
Astrofísica, data acquisition, Computer science, Physics::Instrumentation and Detectors, readout electronics, sensors, Astrophysics, Neutrino telescope, computer.software_genre, 7. Clean energy, 01 natural sciences, Signal, Synchronization (alternating current), Front and back ends, Front-end electronics, readout electronics, neutrino telescope, KM3NeT, Front-end electronics, KM3NeT, Readout electronics, 010303 astronomy & astrophysics, Instrumentation, field programmable gate arrays, Firmware, electronics, 4. Education, Electrical engineering, Astrophysics::Instrumentation and Methods for Astrophysics, front-end electronics, Electronic, Optical and Magnetic Materials, Astrophysics - Instrumentation and Methods for Astrophysics, Photomultiplier, clocks, front-end electronic, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Partícules (Física nuclear), 010309 optics, 0103 physical sciences, Neutrins, readout electronic, 14. Life underwater, Electronics, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation and Methods for Astrophysics (astro-ph.IM), Cherenkov radiation, Particles (Nuclear physics), Detectors òptics, logic, Optical detectors, Física [Àrees temàtiques de la UPC], Telescopis, business.industry, Mechanical Engineering, neutrino telescope, Astronomy and Astrophysics, Space and Planetary Science, Control and Systems Engineering, FISICA APLICADA, business, computer, Telescopes
Abstract

[EN] The KM3NeT research infrastructure being built at the bottom of the Mediterranean Sea will host water-Cherenkov telescopes for the detection of cosmic neutrinos. The neutrino telescopes will consist of large volume three-dimensional grids of optical modules to detect the Cherenkov light from charged particles produced by neutrino-induced interactions. Each optical module houses 31 3-in. photomultiplier tubes, instrumentation for calibration of the photomultiplier signal and positioning of the optical module, and all associated electronics boards. By design, the total electrical power consumption of an optical module has been capped at seven Watts. We present an overview of the front-end and readout electronics system inside the optical module, which has been designed for a 1-ns synchronization between the clocks of all optical modules in the grid during a life time of at least 20 years., The authors acknowledge financial support from the funding agencies: Agence Nationale de la Recherche (Grant No. ANR-15-CE31-0020), Centre National de la Recherche Scientifique (CNRS), Commission Europeenne (FEDER fund and Marie Curie Program), Institut Universitaire de France (IUF), IdEx program and UnivEarthS Labex program at Sorbonne Paris Cite (Grant Nos. ANR-10-LABX-0023 and ANR-11-IDEX-0005-02), Paris Ile-de-France Region, France; Shota Rustaveli National Science Foundation of Georgia (SRNSFG, Grant No. FR-18-1268), Georgia; Deutsche Forschungsgemeinschaft (DFG), Germany; The General Secretariat of Research and Technology (GSRT), Greece; Istituto Nazionale di Fisica Nucleare (INFN), Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), PRIN 2017 program (Grant NAT-NET 2017W4HA7S) Italy; Ministry of Higher Education, Scientific Research and Professional Training, Morocco; Nederlandse organisatie voor Wetenschappelijk Onderzoek (NWO), the Netherlands; The National Science Centre, Poland (2015/18/E/ST2/00758); National Authority for Scientific Research (ANCS), Romania; Plan Estatal de Investigacion [refs. FPA2015-65150-C3-1-P, -2-P and -3-P, (MINECO/FEDER)], Severo Ochoa Centre of Excellence program (MINECO), Red Consolider MultiDark (ref. FPA2017-90566-REDC, MINECO), and Prometeo and Grisolia programs (Generalitat Valenciana), "la Caixa" Foundation (ID 100010434) through the fellowship LCF/BQ/IN17/11620019, and the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie Grant Agreement No. 713673, Spain.

Published
2019
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15. Direct Measurement of the Elastohydrodynamic Lift Force at the Nanoscale

Author

Abdelhamid Maali, Vincent Bertin, Thomas Salez, Elie Raphaël, Zaicheng Zhang, Muhammad Arshad, Laboratoire Ondes et Matière d'Aquitaine (LOMA), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), Gulliver (UMR 7083), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.PHYS.PHYS-FLU-DYN]Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], Materials science, FOS: Physical sciences, General Physics and Astronomy, Physics - Classical Physics, Substrate (electronics), Condensed Matter - Soft Condensed Matter, Viscous liquid, 01 natural sciences, [PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph], [PHYS.MECA.SOLID]Physics [physics]/Mechanics [physics]/Solid mechanics [physics.class-ph], 0103 physical sciences, [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], 010306 general physics, Scaling, Nanoscopic scale, Condensed Matter - Materials Science, Linear elasticity, Fluid Dynamics (physics.flu-dyn), Materials Science (cond-mat.mtrl-sci), Classical Physics (physics.class-ph), Physics - Fluid Dynamics, Function (mathematics), Mechanics, Lubrication theory, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], Soft Condensed Matter (cond-mat.soft), Saturation (chemistry), [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]
Abstract

International audience; We present the first direct measurement of the elastohydrodynamic lift force acting on a sphere moving within a viscous liquid, near and along a soft substrate under nanometric confinement. Using atomic force microscopy, the lift force is probed as a function of the gap size, for various driving velocities, viscosities, and stiffnesses. The force increases as the gap is reduced and shows a saturation at small gap. The results are in excellent agreement with scaling arguments and a quantitative model developed from the soft lubrication theory, in linear elasticity, and for small compliances. For larger compliances, or equivalently for smaller confinement length scales, an empirical scaling law for the observed saturation of the lift force is given and discussed.

Published
2020
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16. Contactless rheology of finite-size air-water interfaces

Author

Zaicheng Zhang, Elie Raphaël, Christine Grauby-Heywang, Vincent Bertin, Thomas Salez, Abdelhamid Maali, Rodolphe Boisgard, Laboratoire Ondes et Matière d'Aquitaine (LOMA), Université de Bordeaux (UB)-Centre National de la Recherche Scientifique (CNRS), Gulliver (UMR 7083), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), ANR-19-CE30-0012,EDDL,Electrodynamical diffuse layers(2019), and ANR-21-ERCC-0010,EMetBrown,Mouvement brownien au voisinage d'interfaces molles(2021)

Subjects
[PHYS.PHYS.PHYS-FLU-DYN]Physics [physics]/Physics [physics]/Fluid Dynamics [physics.flu-dyn], Materials science, Capillary action, Bubble, FOS: Physical sciences, Physics - Classical Physics, 02 engineering and technology, Condensed Matter - Soft Condensed Matter, Deformation (meteorology), 01 natural sciences, Surface tension, Physics::Fluid Dynamics, Rheology, 0103 physical sciences, [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], 010306 general physics, Physics::Atmospheric and Oceanic Physics, Fluid Dynamics (physics.flu-dyn), Classical Physics (physics.class-ph), Physics - Fluid Dynamics, Mechanics, 021001 nanoscience & nanotechnology, Lubrication, Air water, Rigid sphere, Soft Condensed Matter (cond-mat.soft), 0210 nano-technology, [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft]
Abstract

International audience; We present contactless atomic-force microscopy measurements of the hydrodynamic interactions between a rigid sphere and an air bubble in water at the micro-scale. The size of the bubble is found to have a significant effect on the response due to the long-range capillary deformation of the air-water interface. To rationalize the experimental data, we develop a viscocapillary lubrication model accounting for the finite-size effect. The comparison between experiments and theory allows us to measure the air-water surface tension, without contact, paving the way towards robust contactless tensiometry of polluted air-water interfaces.

Published
2020
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17. Letter of interest for a neutrino beam from Protvino to KM3NeT/ORCA

Author

Uli Katz, J. Aublin, A. V. Maximov, R. Bruijn, Alexander Zaitsev, J. Seneca, A. Sinopoulou, A. Domi, R. Yu. Sinyukov, M. Organokov, B. Ó Fearraigh, P. de Jong, O. P. Lebedev, N. R. Khan Chowdhury, Simona Maria Stellacci, E. G. Anassontzis, K. Melis, M. Colomer Molla, M. D. Skorokhvatov, M. Taiuti, C. Donzaud, Massimiliano Lincetto, Miguel Ardid, V. I. Garkusha, R. Le Breton, Vincent Bertin, L. Quinn, Vadim A. Naumov, I. Sokalski, C. Poirè, A. A. Sokolov, V. Kulikovskiy, F. N. Novoskoltsev, J.D. Zornoza, T. Thakore, S. V. Ivanov, D. Zaborov, B. Strandberg, T. Pradier, Mohamed Chabab, S. Sánchez Navas, S. R. Gozzini, E. Litvinovich, L. Nauta, K. S. Kuzmin, A. Creusot, Robert Muller, Matteo Sanguineti, E. Shirokov, Thomas Eberl, A. Kouchner, G. de Wasseige, Christos Markou, K. Graf, M. Kirsanov, C. W. James, A. Heijboer, A. V. Akindinov, D. Lopez-Coto, Miroslav Filipovic, Steffen Hallmann, C. Nielsen, T. Gal, T. Grégoire, G. Grella, A. S. Chepurnov, G. Papalashvili, D. F. E. Samtleben, N. Chau, L.A. Fusco, V. Van Elewyck, J. Hofestädt, J. Brunner, Juan José Hernández-Rey, E. A. De Wolf, S. Bourret, I. D. Kakorin, A. Enzenhöfer, P. Coyle, M. Faifman, Cristiano Bozza, Gisela Anton, E. Tzamariudaki, P. Kalaczynski, M. Perrin-Terrin, B. Baret, M. de Jong, M. Bruchner, B. Spisso, Rezo Shanidze, J. Zúñiga, KM3NeT (IHEF, IoP, FNWI), IHEF (IoP, FNWI), IoP (FNWI), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Ministerio de Ciencia, Innovación y Universidades (España)

Subjects
Sterile neutrino, Physics - Instrumentation and Detectors, Physics and Astronomy (miscellaneous), Physics::Instrumentation and Detectors, beam transport, particle source: design, 7. Clean energy, 01 natural sciences, High Energy Physics - Experiment, Nucleon, Scattering, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Lepton polarization, neutrino oscillation, neutrino: mass, KM3NeT, Physics, P2O, neutrino: energy spectrum, Detector, phase: CP, near detector: design, Instrumentation and Detectors (physics.ins-det), p: beam, matter: effect, Total cross-section, CP violation, Neutrino, FOS: Physical sciences, lcsh:Astrophysics, neutrino: beam, Nuclear physics, Energy-Range, 0103 physical sciences, lcsh:QB460-466, lcsh:Nuclear and particle physics. Atomic energy. Radioactivity, Charged-Current interactions, 14. Life underwater, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Neutrino oscillation, numerical calculations, neutrino nucleon: scattering, Engineering (miscellaneous), Ratio, activity report, 010308 nuclear & particles physics, ORCA, Nu-Mu, neutrino: particle source, Deuterium, sensitivity, FISICA APLICADA, accelerator: upgrade, lcsh:QC770-798, Physics::Accelerator Physics, High Energy Physics::Experiment, Beam (structure)
Abstract

The Protvino accelerator facility located in the Moscow region, Russia, is in a good position to offer a rich experimental research program in the field of neutrino physics. Of particular interest is the possibility to direct a neutrino beam from Protvino towards the KM3NeT/ORCA detector, which is currently under construction in the Mediterranean Sea 40 km offshore Toulon, France. This proposal is known as P2O. Thanks to its baseline of 2595 km, this experiment would yield an unparalleled sensitivity to matter effects in the Earth, allowing for the determination of the neutrino mass ordering with a high level of certainty after only a few years of running at a modest beam intensity of $\approx$ 90 kW. With a prolonged exposure ($\approx$ 1500 kW*yr), a 2$\sigma$ sensitivity to the leptonic CP-violating Dirac phase can be achieved. A second stage of the experiment, comprising a further intensity upgrade of the accelerator complex and a densified version of the ORCA detector (Super-ORCA), would allow for up to a 6$\sigma$ sensitivity to CP violation and a 10$^\circ$-17$^\circ$ resolution on the CP phase after 10 years of running with a 450 kW beam, competitive with other planned experiments. The initial composition and energy spectrum of the neutrino beam would need to be monitored by a near detector, to be constructed several hundred meters downstream from the proton beam target. The same neutrino beam and near detector set-up would also allow for neutrino-nucleus cross section measurements to be performed. A short-baseline sterile neutrino search experiment would also be possible., Comment: 27 pages, 15 figures, 2 tables

Published
2019
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18. Multi-wavelength follow-up observations of ANTARES neutrino alerts

Author

Stéphane Basa, Damien Dornic, B. Vallage, Aurore Mathieu., Fabian Schussler, Vincent Bertin, M. Ageron, Damien Turpin, Jürgen Brunner, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de recherche en astrophysique et planétologie (IRAP), Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), ANTARES, TAROT, MASTER, ZADKO, Swift, MWA, HESS, Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), and Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES)

Subjects
Active galactic nucleus, Astrophysics::High Energy Astrophysical Phenomena, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, gamma ray: burst, 7. Clean energy, Optical telescope, law.invention, Radio telescope, Telescope, law, HESS, supernova, gamma ray: detector, AGN, detector: optical, Astrophysics::Galaxy Astrophysics, Physics, ANTARES, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, trigger, observatory, Supernova, collapse, neutrino: detector, gamma ray: VHE, cosmic radiation, network, High Energy Physics::Experiment, Neutrino, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Event (particle physics)
Abstract

International audience; High-energy neutrinos could be produced in the interaction of charged cosmic rays with matteror radiation surrounding astrophysical sources. Transient phenomena, such as gamma-ray bursts,core-collapse supernovae or active galactic nuclei are promising candidates to emit high-energyneutrinos. To search for coincidences between a transient event and a neutrino emission, a followupprogram of neutrino alerts is in operation within the ANTARES Collaboration since 2009.This program triggers a network of robotic optical telescopes immediately after the detection ofa neutrino event and schedule several observations in the following weeks. The most interestingneutrino candidates are also followed by the Swift XRT telescope and the Murchison Wide fieldArray radio telescope and the H.E.S.S. very high-energy gamma-ray telescope. By combiningthe information provided by the ANTARES neutrino telescope with information coming fromother observatories, the probability of detecting a source is enhanced, allowing the possibilityof identifying a neutrino progenitor from a single detected event. No significant counterpartassociated with a neutrino emission has been identified during image analysis.

Published
2017
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19. Murchison Widefield Array Limits on Radio Emission from ANTARES Neutrino Events

Author

Daniele Vivolo, P. Coyle, A. Enzenhöfer, C. Mueller, Antonia Rowlinson, Tommaso Chiarusi, M. Kreter, A. Moussa, G. De Bonis, Gisela Anton, J-J. Aubert, WeiKang Zheng, Damien Dornic, Jos Steijger, Giorgio Riccobene, Alain Klotz, J. Hofestädt, David L. Kaplan, D. Drouhin, B. Baret, R. Coniglione, C. Vallée, J.D. Zornoza, P. Fermani, V. Giordano, C. Pellegrino, D. Turpin, S. Loucatos, Yann Hello, L.A. Fusco, T. Pradier, Oleg Kalekin, P. Migliozzi, Steven Tingay, Ivan Felis, S. Galatà, D. Kiessling, Tara Murphy, Matthias Kadler, E. Visser, J. Schmid, M. Boer, A. Creusot, V. Kulikovskiy, Steve Croft, A. Heijboer, T. Seitz, T. Michael, Thomas Eberl, J. Hossl, Jürgen Brunner, Uli Katz, C. Perrina, C. Hugon, Ingo Kreykenbohm, V. Popa, Marco Circella, A. Kouchner, Miguel Ardid, Jose Busto, B. Vallage, Vincent Bertin, Anne Deschamps, K. Geyer, J. Barrios-Martí, T. Avgitas, J. Zúñiga, Matteo Sanguineti, Paolo Piattelli, M.C. Bouwhuis, C. Sieger, Antonio Capone, S. Adrián-Martínez, Carl W. Akerlof, Alexis Coleiro, P.M. Kooijman, C. Tönnis, M. Tselengidou, C. Racca, Antonio Marinelli, Maurizio Spurio, R. Bruijn, Annarita Margiotta, Ivan Dekeyser, A. Trovato, Juan José Hernández-Rey, M. Marcelin, E. Leonora, Martin Bell, Michel André, A. Le Van Suu, C. Donzaud, J. Carr, Steffen Hallmann, E. Nezri, Stéphane Basa, K. Graf, R. Gracia-Ruiz, Hervé Glotin, I. El Bojaddaini, G.E. Păvălaş, F. Schüssler, A. Gleixner, H. Costantini, M. Taiuti, Arnauld Albert, Th. Stolarczyk, K. Fehn, S. Biagi, L. Caramete, H. van Haren, Christian Tamburini, K. Roensch, C. Distefano, D. F. E. Samtleben, M. de Jong, S. Geisselsöder, C. Lachaud, Jörn Wilms, C. W. James, Stefan Wagner, M. Saldaña, A. Mathieu, Jutta Schnabel, M. Ageron, V. Van Elewyck, A. Sánchez-Losa, Piera Sapienza, R. Bormuth, Dominique Lefèvre, Dominik Elsässer, R. Lahmann, J.A. Martínez-Mora, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Relativiste Théories Expériences Métrologie Instrumentation Signaux (ARTEMIS), Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, Université Côte d'Azur (UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), MWA and ANTARES and TAROT and ROTSE Collaborations, Centre Tecnològic de Vilanova i la Geltrú, Universitat Politècnica de Catalunya. LAB - Laboratori d'Aplicacions Bioacústiques, Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Croft, S., Kaplan, D. L., Tingay, S. J., Murphy, T., Bell, M. E., Rowlinson, A., Adrián Martínez, S., Ageron, M., Albert, A., André, M., Anton, G., Ardid, M., Aubert, J. J., Avgitas, T., Baret, B., Barrios Martí, J., Basa, S., Bertin, V., Biagi, S., Bormuth, R., Bouwhuis, M. C., Bruijn, R., Brunner, J., Busto, J., Capone, A., Caramete, L., Carr, J., Chiarusi, T., Circella, M., Coleiro, A., Coniglione, R., Costantini, H., Coyle, P., Creusot, A., Dekeyser, I., Deschamps, A., Bonis, G. De, Distefano, C., Donzaud, C., Dornic, D., Drouhin, D., Eberl, T., Bojaddaini, I. El, Elsässer, D., Enzenhöfer, A., Fehn, K., Felis, I., Fermani, P., Fusco, LUIGI ANTONIO, Galatà, S., Gay, P., Geißelsöder, S., Geyer, K., Giordano, V., Gleixner, A., Glotin, H., Gracia Ruiz, R., Graf, K., Hallmann, S., Haren, H. Van, Heijboer, A. J., Hello, Y., Hernández Rey, J. J., Hößl, J., Hofestädt, J., Hugon, C., James, C. W., Jong, M. De, Kadler, M., Kalekin, O., Katz, U., Kießling, D., Kooijman, P., Kouchner, A., Kreter, M., Kreykenbohm, I., Kulikovskiy, V., Lachaud, C., Lahmann, R., Lefèvre, D., Leonora, E., Loucatos, S., Marcelin, M., Margiotta, Annarita, Marinelli, A., Martínez Mora, J. A., Mathieu, A., Michael, T., Migliozzi, P., Moussa, A., Mueller, C., Nezri, E., Pavalaş, G. E., Pellegrino, Carmelo, Perrina, C., Piattelli, P., Popa, V., Pradier, T., Racca, C., Riccobene, G., Roensch, K., Saldaña, M., Samtleben, D. F. E., Sánchez Losa, A., Sanguineti, M., Sapienza, P., Schmid, J., Schnabel, J., Schüssler, F., Seitz, T., Sieger, C., Spurio, Maurizio, Steijger, J. J. M., Stolarczyk, T., Taiuti, M., Tamburini, C., Trovato, A., Tselengidou, M., Turpin, D., Tönnis, C., Vallage, B., Vallée, C., Elewyck, V. Van, Visser, E., Vivolo, D., Wagner, S., Wilms, J., Zornoza, J. D., Zúñiga, J., Klotz, A., Boer, M., Le Van Suu, A., Akerlof, C., Zheng, W., High Energy Astrophys. & Astropart. Phys (API, FNWI), Adrian-Martinez, S., Andre, M., Aubert, J. -J., Barrios-Marti, J., Bonis, G. D., Bojaddaini, I. E., Elsasser, D., Enzenhofer, A., Fusco, L. A., Galata, S., Geisselsoder, S., Gracia-Ruiz, R., Haren, H. V., Hernandez-Rey, J. J., Hossl, J., Hofestadt, J., Jong, M. D., Kiessling, D., Lefevre, D., Margiotta, A., Martinez-Mora, J. A., Pavalas, G. E., Pellegrino, C., Saldana, M., Sanchez-Losa, A., Schussler, F., Spurio, M., Tonnis, C., Vallee, C., Elewyck, V. V., Zuniga, J., Croft, S, Kaplan, Dl, Tingay, Sj, Murphy, T, Bell, Me, Rowlinson, A, Adrian-Martinez, S, Ageron, M, Albert, A, Andre, M, Anton, G, Ardid, M, Aubert, Jj, Avgitas, T, Baret, B, Barrios-Marti, J, Basa, S, Bertin, V, Biagi, S, Bormuth, R, Bouwhuis, Mc, Bruijn, R, Brunner, J, Busto, J, Capone, A, Caramete, L, Carr, J, Chiarusi, T, Circella, M, Coleiro, A, Coniglione, R, Costantini, H, Coyle, P, Creusot, A, Dekeyser, I, Deschamps, A, De Bonis, G, Distefano, C, Donzaud, C, Dornic, D, Drouhin, D, Eberl, T, El Bojaddaini, I, Elsasser, D, Enzenhofer, A, Fehn, K, Felis, I, Fermani, P, Fusco, La, Galata, S, Gay, P, Geisselsoder, S, Geyer, K, Giordano, V, Gleixner, A, Glotin, H, Gracia-Ruiz, R, Graf, K, Hallmann, S, van Haren, H, Heijboer, Aj, Hello, Y, Hernandez-Rey, Jj, Hossl, J, Hofestadt, J, Hugon, C, James, Cw, de Jong, M, Kadler, M, Kalekin, O, Katz, U, Kiessling, D, Kooijman, P, Kouchner, A, Kreter, M, Kreykenbohm, I, Kulikovskiy, V, Lachaud, C, Lahmann, R, Lefevre, D, Leonora, E, Loucatos, S, Marcelin, M, Margiotta, A, Marinelli, A, Martinez-Mora, Ja, Mathieu, A, Michael, T, Migliozzi, P, Moussa, A, Mueller, C, Nezri, E, Pavalas, Ge, Pellegrino, C, Perrina, C, Piattelli, P, Popa, V, Pradier, T, Racca, C, Riccobene, G, Roensch, K, Saldana, M, Samtleben, Dfe, Sanchez-Losa, A, Sanguineti, M, Sapienza, P, Schmid, J, Schnabel, J, Schussler, F, Seitz, T, Sieger, C, Spurio, M, Steijger, Jjm, Stolarczyk, T, Taiuti, M, Tamburini, C, Trovato, A, Tselengidou, M, Turpin, D, Tonnis, C, Vallage, B, Vallee, C, Van Elewyck, V, Visser, E, Vivolo, D, Wagner, S, Wilms, J, Zornoza, Jd, Zuniga, J, Klotz, A, Boer, M, Le Van Suu, A, Akerlof, C, and Zheng, W

Subjects
High energy, Astrophysics::High Energy Astrophysical Phenomena, Neutrino telescope, radio continuum: general, FOS: Physical sciences, Murchison Widefield Array, Astrophysics::Cosmology and Extragalactic Astrophysics, 7. Clean energy, 01 natural sciences, neutrino, 0103 physical sciences, neutrinos, Space and Planetary Science, Astronomy and Astrophysics, Neutrins, Neutrinos, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, general [Radio continuum], 010308 nuclear & particles physics, [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Galaxy, Neutron star, 13. Climate action, Física::Astronomia i astrofísica [Àrees temàtiques de la UPC], FISICA APLICADA, Neutrino, Astrophysics - High Energy Astrophysical Phenomena, Event (particle physics)
Abstract

We present a search, using the Murchison Widefield Array (MWA), for electromagnetic (EM) counterparts to two candidate high-energy neutrino events detected by the ANTARES neutrino telescope in 2013 November and 2014 March. These events were selected by ANTARES because they are consistent, within 0 degrees.4, with the locations of galaxies within 20 Mpc of Earth. Using MWA archival data at frequencies between 118 and 182 MHz, taken similar to 20. days prior to, at the same time as, and up to a year after the neutrino triggers, we look for transient or strongly variable radio sources that are consistent with the neutrino positions. No such counterparts are detected, and we set a 5 sigma upper limit for low-frequency radio emission of similar to 10(37) erg s(-1) for progenitors at 20 Mpc. If the neutrino sources are instead not in nearby galaxies, but originate in binary neutron star coalescences, our limits place the progenitors at z greater than or similar to 0.2. While it is possible, due to the high background from atmospheric neutrinos, that neither event is astrophysical, the MWA observations are nevertheless among the first to follow up neutrino candidates in the radio, and illustrate the promise of wide-field instruments like MWA for detecting EM counterparts to such events., This scientific work makes use of the Murchison Radioastronomy Observatory, operated by CSIRO. We acknowledge the Wajarri Yamatji people as the traditional owners of the Observatory site. Support for the operation of the MWA is provided by the Australian Government Department of Industry and Science and Department of Education (National Collaborative Research Infrastructure Strategy: NCRIS), under a contract with Curtin University, administered by Astronomy Australia Limited. We acknowledge the iVEC Petabyte Data Store and the Initiative in Innovative Computing and the CUDA Center for Excellence sponsored by NVIDIA at Harvard University. D.L.K. and S.D.C. acknowledge support from the US National Science Foundation (grant AST-1412421). We acknowledge the financial support of the funding agencies: Centre National de la Recherche Scientifique (CNRS), Commissariat a l'enegie atomique et aux energies alternatives (CEA), Commission Europeenne (FEDER fund and Marie Curie Program), Region Ile-de-France (DIM-ACAV), Region Alsace (contrat CPER), Region Provence-Alpes-Cote d'Azur, Departement du Var and Ville de La Seyne-sur-Mer, France; Bundesministerium fur Bildung und Forschung (BMBF), Germany; Istituto Nazionale di Fisica Nucleare (INFN), Italy; Stichting voor Fundamenteel Onderzoek der Materie (FOM), Nederlandse organisatie voor Wetenschappelijk Onderzoek (NWO), the Netherlands; Council of the President of the Russian Federation for Young Scientists and Leading Scientific Schools Supporting Grants, Russia; National Authority for Scientific Research (ANCS), Romania; Ministerio de Ciencia e Innovacion (MICINN), Prometeo of Generalitat Valenciana and MultiDark, Spain; Agence de l'Oriental and CNRST, Morocco. We also acknowledge the technical support of Ifremer, AIM, and Foselev Marine for the sea operation and the CC-IN2P3 for the computing facilities. We gratefully acknowledge financial support from the OCEVU LabEx, France. We thank Nathan Whitehorn and the anonymous referee for helpful comments.

Published
2016
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