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731 results on '"Oswald, E"'

1. A cryogenic tracking detector for antihydrogen detection in the AEgIS experiment

Author

Amsler, C., Antonello, M., Belov, A., Bonomi, G., Brusa, R. S., Caccia, M., Camper, A., Caravita, R., Castelli, F., Comparat, D., Consolati, G., Demetrio, A., Di Noto, L., Doser, M., Ekman, P. A., Fani, M., Ferragut, R., Gerber, S., Giammarchi, M., Gligorova, A., Guatieri, F., Hackstock, P., Haider, D., Haider, S., Hinterberger, A., Kellerbauer, A., Khalidova, O., Krasnicky, D., Lagomarsino, V., Malbrunot, C., Mariazzi, S., Matveev, V., Muller, S. R., Nebbia, G., Nedelec, P., Nowak, L., Oberthaler, M., Oswald, E., Pagano, D., Penasa, L., Petracek, V., Prelz, F., Prevedelli, M., Rienaecker, B., Robert, J., Rohne, O. M., Rotondi, A., Sandaker, H., Santoro, R., Storey, J., Testera, G., Tietje, I. C., Toso, V., Wolz, T., Wuethrich, J., Yzombard, P., Zimmer, C., and Zurlo, N.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment, Physics - Atomic Physics
Abstract

We present the commissioning of the Fast Annihilation Cryogenic Tracker detector (FACT), installed around the antihydrogen production trap inside the 1 T superconducting magnet of the AE\=gIS experiment. FACT is designed to detect pions originating from the annihilation of antiprotons. Its 794 scintillating fibers operate at 4 K and are read out by silicon photomultipliers (MPPCs) at near room temperature. FACT provides the antiproton/antihydrogen annihilation position information with a few ns timing resolution. We present the hardware and software developments which led to the successful operation of the detector for antihydrogen detection and the results of an antiproton-loss based efficiency assessment. The main background to the antihydrogen signal is that of the positrons impinging onto the positronium conversion target and creating a large amount of gamma rays which produce a sizeable signal in the MPPCs shortly before the antihydrogen signal is expected. We detail the characterization of this background signal and its impact on the antihydrogen detection efficiency.

Published
2022
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2. Rydberg-positronium velocity and self-ionization studies in 1T magnetic field and cryogenic environment

Author

Antonello, M., Belov, A., Brusa, G. Bonomi R. S., Caccia, M., Camper, A., Caravita, R., Castelli, F., Comparat, D., Consolati, G., Di Noto, L., Doser, M., Fani, M., Ferragut, R., Fesel, J., Gerber, S., Gligorova, A., Glöggler, L. T., Guatieri, F., Haider, S., Hinterberger, A., Khalidova, O., Krasnicky, D., Lagomarsino, V., Malbrunot, C., Mariazzi, S., Matveev, V., Müller, S. R., Nebbia, G., Nedelec, P., Nowak, L., Oberthaler, M., Oswald, E., Pagano, D., Penasa, L., Petracek, V., Prelz, F., Rienäcker, B., Røhne, O. M., Rotondi, A., Sandaker, H., Santoro, R., Testera, G., Tietje, I. C., Wolz, T., Zimmer, C., and Zurlo, N.

Subjects
Physics - Atomic Physics
Abstract

We characterized the pulsed Rydberg-positronium production inside the AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) apparatus in view of antihydrogen formation by means of a charge exchange reaction between cold antiprotons and slow Rydberg-positronium atoms. Velocity measurements on positronium along two axes in a cryogenic environment (10K) and in 1T magnetic field were performed. The velocimetry was done by MCP-imaging of photoionized positronium previously excited to the $n=3$ state. One direction of velocity was measured via Doppler-scan of this $n=3$-line, another direction perpendicular to the former by delaying the exciting laser pulses in a time-of-flight measurement. Self-ionization in the magnetic field due to motional Stark effect was also quantified by using the same MCP-imaging technique for Rydberg positronium with an effective principal quantum number $n_{eff}$ ranging between 14 and 22. We conclude with a discussion about the optimization of our experimental parameters for creating Rydberg-positronium in preparation for an efficient pulsed production of antihydrogen.

Published
2019
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3. Efficient $2^3S$ positronium production by stimulated decay from the $3^3P$ level

Author

Antonello, M., Belov, A., Bonomi, G., Brusa, R. S., Caccia, M., Camper, A., Caravita, R., Castelli, F., Cerchiari, G., Comparat, D., Consolati, G., Demetrio, A., Di Noto, L., Doser, M., Fanì, M., Gerber, S., Gligorova, A., Guatieri, F., Hackstock, P., Haider, S., Hinterberger, A., Kellerbauer, A., Khalidova, O., Krasnicky, D., Lagomarsino, V., Lebrun, P., Malbrunot, C., Mariazzi, S., Matveev, V., Muller, S. R., Nebbia, G., Nedelec, P., Oberthaler, M., Oswald, E., Pagano, D., Penasa, L., Petracek, V., Prelz, F., Rienaecker, B., Robert, J., Rohne, O. M., Rotondi, A., Sandaker, H., Santoro, R., Testera, G., Tietje, I. C., Widmann, E., Wolz, T., Yzombard, P., Zimmer, C., and Zurlo, N.

Subjects
Physics - Atomic Physics, High Energy Physics - Experiment
Abstract

We investigate experimentally the possibility of enhancing the production of $2^3S$ positronium atoms by driving the $1^3S$-$3^3P$ and $3^3P$-$2^3S$ transitions, overcoming the natural branching ratio limitation of spontaneous decay from $3^3P$ to $2^3S$. The decay of $3^3P$ positronium atoms towards the $2^3S$ level has been effciently stimulated by a 1312.2nm broadband IR laser pulse. The dependence of the stimulating transition efficiency on the intensity of the IR pulse has been measured to find the optimal enhancement conditions. A maximum relative increase of $ \times (3.1 \pm 1.0) $ in the $2^3S$ production efficiency, with respect to the case where only spontaneous decay is present, was obtained., Comment: 6 pages, 4 figures

Published
2019
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5. A ∼100 μm-resolution position-sensitive detector for slow positronium

Author

Amsler, C., Antonello, M., Belov, A., Bonomi, G., Brusa, R.S., Caccia, M., Camper, A., Caravita, R., Castelli, F., Cerchiari, G., Comparat, D., Consolati, G., Demetrio, A., Di Noto, L., Doser, M., Fanì, M., Ferragut, R., Fesel, J., Gerber, S., Giammarchi, M., Gligorova, A., Guatieri, F., Hackstock, P., Haider, S., Hinterberger, A., Kellerbauer, A., Khalidova, O., Krasnický, D., Lagomarsino, V., Lebrun, P., Malbrunot, C., Mariazzi, S., Matveev, V., Müller, S.R., Nebbia, G., Nedelec, P., Oberthaler, M., Oswald, E., Pagano, D., Penasa, L., Petracek, V., Prelz, F., Prevedelli, M., Rienaecker, B., Robert, J., Røhne, O.M., Rotondi, A., Sandaker, H., Santoro, R., Testera, G., Tietje, I.C., Widmann, E., Wolz, T., Yzombard, P., Zimmer, C., and Zurlo, N.

Published
2019
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6. Comparatively High In-Field Critical Current in Type-II Superconductors from Heterogeneous Columnar Pins: A Molecular Dynamics Study

Author

Rodriguez, J. P. and Oswald, E. J.

Subjects
Condensed Matter - Superconductivity, Condensed Matter - Materials Science
Abstract

Theoretical work predicts that the strong dependence of Tc on pure shear strain within the a-b plane of optimally doped YBa2Cu3O{7-delta} results in heterogenous columnar pins of vortex lines about dislocation lines and about nano-columns inclusions aligned in parallel to the c axis. The critical current of a rigid vortex lattice driven by the Lorentz force in the presence of such clusters of pin/antipin lines is computed using two-dimensional (2D) collective pinning theory and by numerical simulation of the corresponding 2D vortex dynamics. Both theory and computer calculation find that the antipin component of the heterogenous columnar pins contributes substantially to the net in-field critical current., Comment: 11 pages, 6 figures, to appear in Physica C, in special issue on Magnetic Flux Line Pinning

Published
2009
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7. Deficiency of RAMP1 attenuates antigen-induced airway hyperresponsiveness in mice

Author

Krummel, Matthew, Li, M, Wetzel-Strong, SE, Hua, X, Tilley, SL, Oswald, E, Krummel, MF, and Caron, KM

Abstract

Asthma is a chronic inflammatory disease affecting the lung, characterized by breathing difficulty during an attack following exposure to an environmental trigger. Calcitonin gene-related peptide (CGRP) is a neuropeptide that may have a pathological role i

Published
2014

8. Context-Based Normalization of Histological Stains Using Deep Convolutional Features

Author

Bug, D., Schneider, S., Grote, A., Oswald, E., Feuerhake, F., Schüler, J., Merhof, D., Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Cardoso, M. Jorge, editor, Arbel, Tal, editor, Carneiro, Gustavo, editor, Syeda-Mahmood, Tanveer, editor, Tavares, João Manuel R.S., editor, Moradi, Mehdi, editor, Bradley, Andrew, editor, Greenspan, Hayit, editor, Papa, João Paulo, editor, Madabhushi, Anant, editor, Nascimento, Jacinto C., editor, Cardoso, Jaime S., editor, Belagiannis, Vasileios, editor, and Lu, Zhi, editor

Published
2017
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13. Development of a detector for inertial sensing of positronium at AEḡIS (CERN)

Author

Glöggler, L. T., primary, Caravita, R., additional, Bergmann, B., additional, Bonomi, G., additional, Brusa, R. S., additional, Burian, P., additional, Camper, A., additional, Castelli, F., additional, Cheinet, P., additional, Comparat, D., additional, Consolati, G., additional, Doser, M., additional, Gjersdal, H., additional, Graczykowski, Ł., additional, Guatieri, F., additional, Haider, S., additional, Huck, S., additional, Janik, M., additional, Kasprowicz, G., additional, Khatri, G., additional, Kornakov, G., additional, Malbrunot, C., additional, Mariazzi, S., additional, Nebbia, G., additional, Nowak, L., additional, Nowicka, D., additional, Oswald, E., additional, Pagano, D., additional, Penasa, L., additional, Pospisil, S., additional, Povolo, L., additional, Prelz, F., additional, Rienäcker, B., additional, Røhne, O. M., additional, Sandaker, H., additional, Stekl, I., additional, Tefelski, D., additional, Tietje, I. C., additional, Volponi, M., additional, Wolz, T., additional, Zimmer, C., additional, and Zurlo, N., additional

Published
2022
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14. Control system for ion Penning traps at the AEgIS experiment at CERN

Author

Nowicka, D, primary, Bergmann, B, additional, Bonomi, G, additional, Brusa, R S, additional, Burian, P, additional, Camper, A, additional, Caravita, R, additional, Castelli, F, additional, Cheinet, P, additional, Comparat, D, additional, Consolati, G, additional, Doser, M, additional, Gjersdal, H, additional, Glöggler, L, additional, Graczykowski, Ł, additional, Guatieri, F, additional, Haider, S, additional, Huck, S, additional, Janik, M, additional, Kasprowicz, G, additional, Khatri, G, additional, Kornakov, G, additional, Malbrunot, C, additional, Mariazzi, S, additional, Nebbia, G, additional, Nowak, L, additional, Oswald, E, additional, Pagano, D, additional, Penasa, L, additional, Pospisil, S, additional, Povolo, L, additional, Prelz, F, additional, Rienäcker, B, additional, Røhne, O M, additional, Sandaker, H, additional, Stekl, I, additional, Tefelski, D, additional, Volponi, M, additional, Wolz, T, additional, Zimmer, C, additional, and Zurlo, N, additional

Published
2022
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15. High-resolution MCP-TimePix3 imaging/timing detector for antimatter physics

Author

Glöggler, L, primary, Caravita, R, additional, Auzins, M, additional, Bergmann, B, additional, Brusa, R S, additional, Burian, P, additional, Camper, A, additional, Castelli, F, additional, Cheinet, P, additional, Ciuryło, R, additional, Comparat, D, additional, Consolati, G, additional, Doser, M, additional, Gjersdal, H, additional, Graczykowski, Ł, additional, Guatieri, F, additional, Haider, S, additional, Huck, S, additional, Janik, M, additional, Kasprowicz, G, additional, Khatri, G, additional, Kłosowski, Ł, additional, Kornakov, G, additional, Malbrunot, C, additional, Mariazzi, S, additional, Nowak, L, additional, Nowicka, D, additional, Oswald, E, additional, Penasa, L, additional, Piwiński, M, additional, Pospisil, S, additional, Povolo, L, additional, Prelz, F, additional, Rangwala, S A, additional, Rienäcker, B, additional, Røhne, O M, additional, Sandaker, H, additional, Sowinski, T, additional, Stekl, I, additional, Tefelski, D, additional, Volponi, M, additional, Wolz, T, additional, Zimmer, C, additional, Zawada, M, additional, and Zurlo, N, additional

Published
2022
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18. CD40-Expression in Thymoma

Author

Schultz, A., Greiner, A., Nenninger, R., Schömig, D., Wilisch, A., Oswald, E., Kroczek, R. A., Schalke, B., Müller-Hermelink, H. K., Marx, A., Marx, Alexander, editor, and Müller-Hermelink, Hans Konrad, editor

Published
1997
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19. Development of a detector for inertial sensing of positronium at AEgIS (CERN)

Author

Glöggler, Lisa T., Caravita, R., Bergmann, B., Bonomi, G., Brusa, R. S., Burian, P., Camper, A., Castelli, F., Cheinet, P., Comparat, D., Consolati, G., Doser, M., Gjersdal, H., Graczykowski, Ł., Guatieri, F., Haider, S., Huck, S., Janik, M., Kasprowicz, G., Khatri, G., Kornakov, G., Malbrunot, C., Mariazzi, S., Nebbia, G., Nowak, L., Nowicka, D., Oswald, E., Pagano, D., Penasa, L., Pospisil, S., Povolo, L., Prelz, F., Rienäcker, B., Røhne, O. M., Sandaker, H., Stekl, I., Tefelski, D., Tietje, I. C., Volponi, M., Wolz, T., Zimmer, C., and Zurlo, N.

Subjects
History, detector, CERN, positronium, Detectors and Experimental Techniques, 530 Physik, AEḡIS, gravitational acceleration, Computer Science Applications, Education
Abstract

The primary goal of the AEgIS collaboration at CERN is to measure the gravitational acceleration on neutral antimatter. Positronium (Ps), the bound state of an electron and a positron, is a suitable candidate for a force-sensitive inertial measurement by means of deflectometry/interferometry. In order to conduct such an experiment, the impact position and time of arrival of Ps atoms at the detector must be detected simultaneously. The detection of a low-velocity Ps beam with a spatial resolution of (88 ± 5) μm was previously demonstrated [1]. Based on the methodology employed in [1] and [2], a hybrid imaging/timing detector with increased spatial resolution of about 10 μm was developed. The performance of a prototype was tested with a positron beam. The concept of the detector and first results are presented.

Published
2022

20. Experiments with mid-heavy antiprotonic atoms in AE$\overline{g}$IS

Author

Kornakov, G, Auzins, M, Bergmann, B, Burian, P, Bonomi, G, Brusa, R S, Camper, A, Caravita, R, Castelli, F, Cheinet, P, Ciuryło, R, Comparat, D, Consolati, G, Doser, M, Gjersdal, H, Glöggler, L T, Graczykowsk, Ł, Guatieri, F, Haider, S, Huck, S, Janik, M, Kasprowicz, G, Khatri, G, Kłosowski, Ł, Lappo, L, Malbrunot, C, Mariazzi, S, Nebbia, G, Nowak, L, Nowicka, D, Oswald, E, Pagano, D, Penasa, L, Petracek, V, Piwiński, M, Pospisil, S, Povolo, L, Prelz, F, Rangwala, S, Rienäcker, B, Rotondi, A, Røhne, O M, Sandaker, H, Stekl, I, Tefelski, D, Tietje, I C, Volponi, M, Wolz, T, Zawada, M, Zimmer, C, and Zurlo, N

Subjects
Nuclear Physics - Experiment
Abstract

ments which provide the most precise data on the strong interaction between protons and antiprotons and of the neutron skin of many nuclei thanks to the clean annihilation signal. In most of these experiments, the capture process of low energy antiprotons was done in a dense target leading to a significant suppression of specific transitions between deeply bound levels that are of particular interest. In particular, precise measurements of specific transitions in antiprotonic atoms with Z>2 are sparse. We propose to use the pulsed production scheme developed for antihydrogen and protonium for the formation of cold antiprotonic atoms. This technique has been recently achieved experimentally for the production of antihydrogen at AE$\overline{\rm g}$IS. The proposed experiments will have sub-ns synchronization thanks to an improved control and acquisition system. The formation in vacuum guarantees the absence of Stark mixing or annihilation from high n states and together with the sub-ns synchronization would resolve the previous experimental limitations. It will be possible to access the whole chain of the evolution of the system from its formation until annihilation with significantly improved signal-to-background ratio.

Published
2022

21. Pulsed Production of Antihydrogen in AEgIS

Author

Zurlo, N., Amsler, C., Antonello, M., Belov, A., Bonomi, G., Brusa, R. S., Caccia, M., Camper, A., Caravita, R., Castelli, F., Cheinet, P., Comparat, D., Consolati, G., Demetrio, A., Di Noto, L., Doser, M., Fani, M., Ferragut, R., Fesel, J., Gerber, S., Giammarchi, M., Gligorova, A., Gloggler, L. T., Guatieri, F., Haider, S., Hinterberger, A., Kellerbauer, A., Khalidova, O., Krasnicky, D., Lagomarsino, V., Malbrunot, C., Mariazzi, S., Matveev, V., Muller, R., Nebbia, G., Nedelec, P., Nowak, L., Oberthaler, M., Oswald, E., Pagano, D., Penasa, L., Petracek, V., Povolo, L., Prelz, F., Prevedelli, M., Rienacker, B., Rohne, O. M., Rotondi, A., Sandaker, H., Santoro, R., Testera, G., Tietje, I. C., Toso, V., Wolz, T., Yzombard, P., and Zimmer, C.

Subjects
Antihydrogen, antiprotons, Accelerators and Storage Rings, Antihydrogen, antiprotons
Abstract

Cold antihydrogen atoms are a powerful tool to probe the validity of fundamental physics laws, and it's clear that colder atoms, generally speaking, allow an increased level of precision. After the first production of cold antihydrogen ($\bar{H}$) in 2002, experimental efforts have progressed continuously (trapping, beam formation, spectroscopy), with competitive results already achieved by adapting to cold antiatoms techniques previously well developed for ordinary atoms. Unfortunately, the number of $\bar{H}$ atoms that can be produced in dedicated experiments is many orders of magnitude smaller than available hydrogen atoms, which are at hand in large amount, so the development of novel techniques that allow the production of $\bar{H}$ with well defined conditions (and possibly control its formation time and energy levels) is essential to improve the sensitivity of the methods applied by the different experiments. We present here the first experimental results concerning the production of $\bar{H}$ in a pulsed mode where the time when 90\% of the atoms are produced is known with an uncertainty of around 250~ns. The pulsed $\bar{H}$ source is generated by the charge-exchange reaction between Rydberg positronium atoms ($Ps$) and trapped antiprotons ($\bar{p}$), cooled and manipulated in an electromagnetic trap: $$ \bar{ p}+Ps^* \rightarrow \bar{H}^* + e^- $$ where Rydberg positronium atoms, in turn, are produced through the implantation of a pulsed positron beam into a mesoporous silica target, and are excited by two subsequent laser pulses, the first to $n=3$, the second to the needed Rydberg level ($n \simeq 17$). The pulsed production allows the control of the antihydrogen temperature, and facilitates the tunability of the Rydberg states, their de-excitation by pulsed lasers and the manipulation through electric field gradients. In fact, the production of pulsed antihydrogen is a major milestone in the AEgIS experiment to perform direct measurements of the validity of the Weak Equivalence Principle for antimatter.

Published
2022

32. Developments for pulsed antihydrogen production towards direct gravitational measurement on antimatter

Author

Fanì, M, primary, Antonello, M, additional, Belov, A, additional, Bonomi, G, additional, Brusa, R S, additional, Caccia, M, additional, Camper, A, additional, Caravita, R, additional, Castelli, F, additional, Comparat, D, additional, Cheinet, P, additional, Consolati, G, additional, Demetrio, A, additional, Di Noto, L, additional, Doser, M, additional, Ferragut, R, additional, Fesel, J, additional, Gerber, S, additional, Giammarchi, M, additional, Gligorova, A, additional, Glöggler, L T, additional, Guatieri, F, additional, Haider, S, additional, Hinterberger, A, additional, Kellerbauer, A, additional, Khalidova, O, additional, Krasnicky`, D, additional, Lagomarsino, V, additional, Malbrunot, C, additional, Nowak, L, additional, Mariazzi, S, additional, Matveev, V, additional, Müller, S R, additional, Nebbia, G, additional, Nedelec, P, additional, Oberthaler, M, additional, Oswald, E, additional, Pagano, D, additional, Penasa, L, additional, Petracek, V, additional, Povolo, L, additional, Prelz, F, additional, Prevedelli, M, additional, Rienäcker, B, additional, Røhne, O M, additional, Rotondi, A, additional, Sandaker, H, additional, Santoro, R, additional, Testera, G, additional, Tietje, I C, additional, Toso, V, additional, Wolz, T, additional, Zimmer, C, additional, and Zurlo, N, additional

Published
2020
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33. Protocol for pulsed antihydrogen production in the AEḡIS apparatus

Author

Tietje, I C, primary, Amsler, C, additional, Antonello, M, additional, Belov, A, additional, Bonomi, G, additional, Brusa, R S, additional, Caccia, M, additional, Camper, A, additional, Caravita, R, additional, Castelli, F, additional, Cheinet, P, additional, Comparat, D, additional, Consolati, G, additional, Demetrio, A, additional, Noto, L Di, additional, Doser, M, additional, Fanì, M, additional, Ferragut, R, additional, Fesel, J, additional, Gerber, S, additional, Giammarchi, M, additional, Gligorova, A, additional, Glöggler, L T, additional, Guatieri, F, additional, Haider, S, additional, Hinterberger, A, additional, Kellerbauer, A, additional, Khalidova, O, additional, Krasnický, D, additional, Lagomarsino, V, additional, Malbrunot, C, additional, Nowak, L, additional, Mariazzi, S, additional, Matveev, V, additional, Müller, S R, additional, Nebbia, G, additional, Nedelec, P, additional, Oberthaler, M, additional, Oswald, E, additional, Pagano, D, additional, Penasa, L, additional, Petracek, V, additional, Povolo, L, additional, Prelz, F, additional, Prevedelli, M, additional, Rienäcker, B, additional, Røhne, O M, additional, Rotondi, A, additional, Sandaker, H, additional, Santoro, R, additional, Testera, G, additional, Toso, V, additional, Wolz, T, additional, Yzombard, P, additional, Zimmer, C, additional, and Zurlo, N, additional

Published
2020
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34. Global management of patients with kneeosteoarthritis begins with quality of lifeassessment: a systematic review

Author

Vitaloni, M., primary, Bemden, A. Botto-van, additional, Contreras, R. Sciortino, additional, Scotton, D., additional, Bibas, M., additional, Quintero, M., additional, Monfort, J., additional, Carné, X., additional, de Abajo, F., additional, Oswald, E., additional, Cabot, M.R., additional, Matucci, M., additional, du Souich, P., additional, Möller, I., additional, Eakin, G., additional, and Verges, J., additional

Published
2020
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35. A cryogenic tracking detector for antihydrogen detection in the AEgIS experiment

Author

Amsler, C., primary, Antonello, M., additional, Belov, A., additional, Bonomi, G., additional, Brusa, R.S., additional, Caccia, M., additional, Camper, A., additional, Caravita, R., additional, Castelli, F., additional, Comparat, D., additional, Consolati, G., additional, Demetrio, A., additional, Di Noto, L., additional, Doser, M., additional, Ekman, P.A., additional, Fanì, M., additional, Ferragut, R., additional, Gerber, S., additional, Giammarchi, M., additional, Gligorova, A., additional, Guatieri, F., additional, Hackstock, P., additional, Haider, D., additional, Haider, S., additional, Hinterberger, A., additional, Kellerbauer, A., additional, Khalidova, O., additional, Krasnický, D., additional, Lagomarsino, V., additional, Malbrunot, C., additional, Mariazzi, S., additional, Matveev, V., additional, Müller, S.R., additional, Nebbia, G., additional, Nedelec, P., additional, Nowak, L., additional, Oberthaler, M., additional, Oswald, E., additional, Pagano, D., additional, Penasa, L., additional, Petracek, V., additional, Prelz, F., additional, Prevedelli, M., additional, Rienaecker, B., additional, Robert, J., additional, Røhne, O.M., additional, Rotondi, A., additional, Sandaker, H., additional, Santoro, R., additional, Storey, J., additional, Testera, G., additional, Tietje, I.C., additional, Toso, V., additional, Wolz, T., additional, Wuethrich, J., additional, Yzombard, P., additional, Zimmer, C., additional, and Zurlo, N., additional

Published
2020
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36. Hybrid Imaging and Timing Ps Laser Excitation Diagnostics for Pulsed Antihydrogen Production

Author

Caravita, R., primary, Antonello, M., additional, Belov, A., additional, Bonomi, G., additional, Brusa, R.S., additional, Caccia, M., additional, Camper, A., additional, Castelli, F., additional, Comparat, D., additional, Consolati, G., additional, Demetrio, A., additional, Di Noto, L., additional, Doser, M., additional, Fanì, M., additional, Ferragut, R., additional, Gerber, S., additional, Giammarchi, M., additional, Gligorova, A., additional, Glöggler, L.T., additional, Guatieri, F., additional, Haider, S., additional, Hinterberger, A., additional, Khalidova, O., additional, Krasnický, D., additional, Lagomarsino, V., additional, Malbrunot, C., additional, Mariazzi, S., additional, Matveev, V., additional, Müller, S.R., additional, Nebbia, G., additional, Nedelec, P., additional, Oberthaler, M., additional, Oswald, E., additional, Pagano, D., additional, Penasa, L., additional, Petracek, V., additional, Prelz, F., additional, Rienäcker, B., additional, Røhne, O.M., additional, Rotondi, A., additional, Sandaker, H., additional, Santoro, R., additional, Testera, G., additional, Tietje, I., additional, Toso, V., additional, Wolz, T., additional, Zimmer, C., additional, and Zurlo, N., additional

Published
2020
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37. Techniques for Production and Detection of 23S Positronium

Author

Mariazzi, S., primary, Caravita, R., additional, Vespertini, A., additional, Camper, A., additional, Rienacker, B., additional, Brusa, R.S., additional, Antonello, M., additional, Belov, A., additional, Bonomi, G., additional, Caccia, M., additional, Castelli, F., additional, Cerchiari, G., additional, Comparat, D., additional, Consolati, G., additional, Demetrio, A., additional, Noto, Di, additional, Doser, M., additional, Fanì, M., additional, Fesel, J., additional, Gerber, S., additional, Gligorova, A., additional, Guatieri, F., additional, Hackstock, P., additional, Haider, S., additional, Hinterberger, A., additional, Kellerbauer, A., additional, Khalidova, O., additional, Krasnicky, D., additional, Lagomarsino, V., additional, Lebrun, P., additional, Malbrunot, C., additional, Matveev, V., additional, Muller, S.R., additional, Nebbia, G., additional, Nedelec, P., additional, Oberthaler, M., additional, Oswald, E., additional, Pagano, D., additional, Penasa, L., additional, Petracek, V., additional, Prelz, F., additional, Prevedelli, M., additional, Robert, J., additional, Røhne, O.M., additional, Rotondi, A., additional, Sandaker, H., additional, Santoro, R., additional, Testera, G., additional, Tietje, I.C., additional, Widmann, E., additional, Wolz, T., additional, Yzombard, P., additional, Zimmer, C., additional, and Zurlo, N., additional

Published
2020
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40. Protocol for pulsed antihydrogen production in the AE$\overline{g}$IS apparatus

Author

Tietje, I.C., Amsler, C., Antonello, M., Belov, A., Bonomi, G., Brusa, R.S., Caccia, M., Camper, A., Caravita, R., Castelli, F., Cheinet, P., Comparat, D., Consolati, G., Demetrio, A., Noto, L.Di, Doser, M., Fanì, M., Ferragut, R., Fesel, J., Gerber, S., Giammarchi, M., Gligorova, A., Glöggler, L.T., Guatieri, F., Haider, S., Hinterberger, A., Kellerbauer, A., Khalidova, O., Krasnický, D., Lagomarsino, V., Malbrunot, C., Nowak, L., Mariazzi, S., Matveev, V., Müller, S.R., Nebbia, G., Nedelec, P., Oberthaler, M., Oswald, E., Pagano, D., Penasa, L., Petracek, V., Povolo, L., Prelz, F., Prevedelli, M., Rienäcker, B., Røhne, O.M., Rotondi, A., Sandaker, H., Santoro, R., Testera, G., Toso, V., Wolz, T., Yzombard, P., Zimmer, C., Zurlo, N., Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)

Subjects
velocity, experimental methods, antihydrogen: production, deflection, gravitation: acceleration, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], beam: pulsed, anti-p: acceleration, time-of-flight, talk, anti-p p: annihilation, antihydrogen: acceleration, Particle Physics - Experiment
Abstract

International audience; The AEḡIS collaboration’s main goal is to measure the acceleration of antihydrogen it ($\textit{H}$) due to gravity. The experimental scheme is to form a pulsed beam whose vertical deflection is then measured by means of a moiré deflectometer [1]. Creating pulsed $\textit{H}$is crucial since it allows a velocity measurement of the antiatoms via time of flight ($\mathrm{ToF}$) necessary to deduce the gravitational acceleration ḡ from the vertical deflection $\Delta\mathit{s}$. The aim of this article is to outline the experimental protocol leading up to pulsed antihydrogen production in the AEḡIS experiment.

Published
2020
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44. Efficient 2 S 3 positronium production by stimulated decay from the 3 P 3 level

Author

Antonello, M., Belov, A., Bonomi, G., Brusa, R. S., Caccia, M., Camper, A., Caravita, R., Castelli, F., Cerchiari, G., Comparat, D., Consolati, G., Demetrio, A., Di Noto, L., Doser, M., Fanì, M., Gerber, S., Gligorova, A., Guatieri, F., Hackstock, P., Haider, S., Hinterberger, A., Kellerbauer, A., Khalidova, O., Krasnický, D., Lagomarsino, V., Lebrun, P., Malbrunot, C., Mariazzi, S., Matveev, V., Müller, S. R., Nebbia, G., Nedelec, P., Oberthaler, M., Oswald, E., Pagano, D., Penasa, L., Petracek, V., Prelz, F., Rienaecker, B., Robert, J., Røhne, O. M., Rotondi, A., Sandaker, H., Santoro, R., Testera, G., Tietje, I. C., Widmann, E., Wolz, T., Yzombard, P., Zimmer, C., and Zurlo, N.

Published
2019

45. Calibration and Equalisation of Plastic Scintillator Detectors for Antiproton Annihilation Identification Over Positron/Positronium Background

Author

Zurlo, N., primary, Amsler, C., additional, Antonello, M., additional, Belov, A., additional, Bonomi, G., additional, Brusa, R.S., additional, Caccia, M., additional, Camper, A., additional, Caravita, R., additional, Castelli, F., additional, Cerchiari, G., additional, Comparat, D., additional, Consolati, G., additional, Demetrio, A., additional, Di Noto, L., additional, Doser, M., additional, Fanì, M., additional, Ferragut, R., additional, Gerber, S., additional, Giammarchi, M., additional, Gligorova, A., additional, Gloggler, L., additional, Guatieri, F., additional, Haider, S., additional, Hinterberger, A., additional, Kellerbauer, A., additional, Khalidova, O., additional, Krasnický, D., additional, Lagomarsino, V., additional, Malbrunot, C., additional, Mariazzi, S., additional, Matveev, V., additional, Müller, S.R., additional, Nebbia, G., additional, Nedelec, P., additional, Oberthaler, M., additional, Oswald, E., additional, Pagano, D., additional, Penasa, L., additional, Petracek, V., additional, Prelz, F., additional, Prevedelli, M., additional, Rienaecker, B., additional, Røhne, O.M., additional, Rotondi, A., additional, Sandaker, H., additional, Santoro, R., additional, Testera, G., additional, Tietje, I.C., additional, Toso, V., additional, Wolz, T., additional, Yzombard, P., additional, and Zimmer, C., additional

Published
2020
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46. High rate of drinking water contamination due to poor storage in squatter settlements in Mwanza, Tanzania

Author

Laura McLeod, Mariam M. Mirambo, Nyambura Moremi, Humphrey D. Mazigo, Oswald E. Mpelasoka, Martha F. Mushi, and Stephen E. Mshana

Subjects
Indicator organism, 030505 public health, biology, Water storage, General Medicine, Contamination, biology.organism_classification, Fecal coliform, 03 medical and health sciences, 0302 clinical medicine, Tanzania, Hazardous waste, Environmental health, Environmental science, Water treatment, 030212 general & internal medicine, Water quality, 0305 other medical science, Escherichia coli, drinking water, water storage, clay pot, squatters, Tanzania
Abstract

Background: Drinking water of acceptable quality is supposed to be free from faecal coliform and chemical substances that may be hazardous to human health. Water treatment and safe storage at the household level has been advocated as effective means of ensuring safe drinking water. This study was undertaken to determine the microbiological quality of the drinking water at household level in the squatter settlements in the city of Mwanza, Tanzania. Methods: A cross-sectional study was conducted between June 2014 and September 2014. A total of 15 randomly selected water sources (tap) and 207 households’ drinking water samples from these sources were studied to ascertain level of water contamination using Membrane Filtration Method. Pre-tested questionnaire was used to collect demographic and other data regarding water treatment and storage. Data were entered, cleaned and analysed using STATA Version 11. Results: All 15 samples from tap used as water sources were found to be free of indicator organism ( Escherichia coli) while 109 (52.66%) of drinking water samples from 207 households were found to be contaminated with E. coli. All contaminated drinking water samples were from containers with no cover and spigot . Conclusions: There is a significant level of deterioration of water quality from the source to the drinking cup. Efforts to ensure quality storage methods for drinking water should be addressed at household level.

Published
2018

47. The global osteoarthritis patient perception survey (GOAPPS): a pilot study

Author

Bemden, A. Botto-van, primary, Eakin, G., additional, Sciortino, R., additional, Quintero, M., additional, Monfort, J., additional, Carné, X., additional, de Abajo, F., additional, Oswald, E., additional, Matucci, M., additional, du Souich, P., additional, Müller, I., additional, Scotton, D., additional, Bibas, M., additional, Vitaloni, M., additional, and Verges, J., additional

Published
2019
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48. Global oa management begins with quality of life assessment in knee oa patients: a systematic review

Author

Verges, J., primary, Vitaloni, M., additional, Bibas, M., additional, Sciortino, R., additional, Quintero, M., additional, Monfort, J., additional, Carné, X., additional, de Abajo, F., additional, Oswald, E., additional, Matucci, M., additional, du Souich, P., additional, Müller, I., additional, Eakin, G., additional, and Bemden, A. Botto-van, additional

Published
2019
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49. High rate of drinking water contamination due to poor storage in squatter settlements in Mwanza, Tanzania

Author

Mushi, Martha F., Mpelasoka, Oswald E., Mazigo, Humphrey D., Mcleod, Laura, Moremi, Nyambura, Mirambo, Mariam M., Mshana, Stephen E., Mushi, Martha F., Mpelasoka, Oswald E., Mazigo, Humphrey D., Mcleod, Laura, Moremi, Nyambura, Mirambo, Mariam M., and Mshana, Stephen E.

Abstract

Background: Drinking water of acceptable quality is supposed to be free from faecal coliform and chemical substances that may be hazardous to human health. Water treatment and safe storage at the household level has been advocated as effective means of ensuring safe drinking water. This study was undertaken to determine the microbiological quality of the drinking water at household level in the squatter settlements in the city of Mwanza, Tanzania. Methods: A cross-sectional study was conducted between June 2014 and September 2014. A total of 15 randomly selected water sources (tap) and 207 households’ drinking water samples from these sources were studied to ascertain level of water contamination using Membrane Filtration Method. Pre-tested questionnaire was used to collect demographic and other data regarding water treatment and storage. Data were entered, cleaned and analysed using STATA Version 11. Results: All 15 samples from tap used as water sources were found to be free of indicator organism ( Escherichia coli ) while 109 (52.66%) of drinking water samples from 207 households were found to be contaminated with E. coli. All contaminated drinking water samples were from containers with no cover and spigot. Conclusions: There is a significant level of deterioration of water quality from the source to the drinking cup. Efforts to ensure quality storage methods for drinking water should be addressed at household level.

Published
2019

50. Dismantling Real-World ECC with Horizontal and Vertical Template Attacks

Author

Dugardin, M., Papachristodoulou, L., Najm, Z., Batina, L., Danger, J.-L., Guilley, S., Standaert, F.-X., Oswald, E., THALES COMMUNICATIONS & SECURITY, THALES, Télécom ParisTech, Digital Security Group [Nijmegen], Institute for Computing and Information Sciences [Nijmegen] (ICIS), Radboud university [Nijmegen]-Radboud university [Nijmegen], Secure-IC S.A.S, Institut Mines-Télécom [Paris] (IMT), François-Xavier Standaert, Elisabeth Oswald, Standaert, F.-X., and Oswald, E.

Subjects
Side-Channel analysis, [INFO.INFO-CR]Computer Science [cs]/Cryptography and Security [cs.CR], horizontal leakage, vertical leakage, scalar multiplication, Lecture Notes in Computer Science, NIST curves, Brainpool curves, Digital Security, mbedTLS
Abstract

International audience; Recent side-channel attacks on elliptic curve algorithms have shown that the security of these cryptosystems is a matter of serious concern. The development of techniques in the area of Template Attacks makes it feasible to extract a 256-bit secret key with only 257 traces. This paper enhances the applicability of this attack by exploiting both the horizontal leakage of the carry propagation during the finite field multiplication, and the vertical leakage of the input data. As a further contribution, our method provides detection and auto-correction of possible errors that may occur during the key recovery. These enhancements come at the cost of extra traces, while still providing a practical attack. Finally, we show that the elliptic curve algorithms developed for PolarSSL, and consequently mbedTLS, running on an ARM STM32F4 platform is completely vulnerable, when used without any modifications or countermeasures.

Published
2016

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