Výsledky vyhledávání - "Felix Spanier"

Akademický článek

Determining Pitch-Angle Diffusion Coefficients for Electrons in Whistler Turbulence

Autor: Felix Spanier, Cedric Schreiner, Reinhard Schlickeiser

Publikováno v: Physics, Vol 4, Iss 1, Pp 80-103 (2022)

Transport of energetic electrons in the heliosphere is governed by resonant interaction with plasma waves, for electrons with sub-GeV kinetic energies specifically with dispersive modes in the whistler regime. In this paper, particle-in-cell simulati

Externí odkaz: https://doaj.org/article/3c22cda9459043828e66de263e5f31e6

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Akademický článek

First operation of the KATRIN experiment with tritium

Autor: Max Aker, Konrad Altenmüller, Marius Arenz, Woo-Jeong Baek, John Barrett, Armen Beglarian, Jan Behrens, Anatoly Berlev, Uwe Besserer, Klaus Blaum, Fabian Block, Steffen Bobien, Beate Bornschein, Lutz Bornschein, Heiko Bouquet, Tim Brunst, Thomas S. Caldwell, Suren Chilingaryan, Wonqook Choi, Karol Debowski, Marco Deffert, Martin Descher, Deseada Díaz Barrero, Peter J. Doe, Otokar Dragoun, Guido Drexlin, Stephan Dyba, Frank Edzards, Klaus Eitel, Enrico Ellinger, Ralph Engel, Sanshiro Enomoto, Dieter Eversheim, Mariia Fedkevych, Arne Felden, Joseph A. Formaggio, Florian M. Fränkle, Gregg B. Franklin, Heinz Frankrone, Fabian Friedel, Dominik Fuchs, Alexander Fulst, Kevin Gauda, Woosik Gil, Ferenc Glück, Steffen Grohmann, Robin Grössle, Rainer Gumbsheimer, Moritz Hackenjos, Volker Hannen, Julius Hartmann, Norman Haußmann, Martin Ha-Minh, Florian Heizmann, Johannes Heizmann, Klaus Helbing, Stephanie Hickford, David Hillesheimer, Dominic Hinz, Thomas Höhn, Bernhard Holzapfel, Siegfried Holzmann, Thibaut Houdy, Mark A. Howe, Anton Huber, Alexander Jansen, Christian Karl, Jonas Kellerer, Norbert Kernert, Luke Kippenbrock, Manuel Klein, Christoph Köhler, Leonard Köllenberger, Andreas Kopmann, Marc Korzeczek, Alojz Kovalík, Bennet Krasch, Holger Krause, Benedikt Kuffner, Norbert Kunka, Thierry Lasserre, Luisa La Cascio, Ondřej Lebeda, Manuel Lebert, Björn Lehnert, Johann Letnev, Fabian Leven, Thanh-Long Le, Steffen Lichter, Alexey Lokhov, Moritz Machatschek, Emma Malcherek, Martin Mark, Alexander Marsteller, Eric L. Martin, Fotios Megas, Christin Melzer, Alexander Menshikov, Susanne Mertens, Matthias Meier, Sebastian Mirz, Benjamin Monreal, Pablo I. Morales Guzmán, Klaus Müller, Uwe Naumann, Holger Neumann, Simon Niemes, Mathias Noe, Andreas Off, Hans-Werner Ortjohann, Alexander Osipowicz, Ernst Otten, Diana S. Parno, Anna Pollithy, Alan W. P. Poon, J. Manuel Lopez Poyato, Florian Priester, Philipp C.-O. Ranitzsch, Oliver Rest, Rolf Rinderspacher, R. G. Hamish Robertson, Caroline Rodenbeck, Petra Rohr, Marco Röllig, Carsten Röttele, Miloš Ryšavý, Rudolf Sack, Alejandro Saenz, Peter Schäfer, Lutz Schimpf, Klaus Schlösser, Magnus Schlösser, Lisa Schlüter, Michael Schrank, Bruno Schulz, Hendrik Seitz-Moskaliuk, Waldemar Seller, Valérian Sibille, Daniel Siegmann, Martin Slezák, Felix Spanier, Markus Steidl, Madlen Steven, Michael Sturm, Manfred Suesser, Menglei Sun, Denis Tcherniakhovski, Helmut H. Telle, Larisa A. Thorne, Thomas Thümmler, Nikita Titov, Igor Tkachev, Nikolaus Trost, Korbinian Urban, Kathrin Valerius, Drahoslav Vénos, Reiner Vianden, Ana P. Vizcaya Hernández, Marc Weber, Christian Weinheimer, Christiane Weiss, Stefan Welte, Jürgen Wendel, John F. Wilkerson, Joachim Wolf, Sascha Wüstling, Weiran Xu, Yung-Ruey Yen, Sergey Zadorozhny, Genrich Zeller

Publikováno v: European Physical Journal C: Particles and Fields, Vol 80, Iss 3, Pp 1-18 (2020)

Abstract The determination of the neutrino mass is one of the major challenges in astroparticle physics today. Direct neutrino mass experiments, based solely on the kinematics of $$\upbeta $$ β -decay, provide a largely model-independent probe to th

Externí odkaz: https://doaj.org/article/c233c69d63fd42ef8d9ea5e6c5f64e49

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Akademický článek

Particle-in-cell Simulations of Mildly Relativistic Outflows in Kilonova Emissions

Autor: Mohira Rassel, Patrick Kilian, Vito Aberham, Felix Spanier, Nicole Lloyd-Ronning, Chris L. Fryer

Publikováno v: The Astrophysical Journal, Vol 952, Iss 2, p 165 (2023)

The electromagnetic emission from neutron star mergers is comprised of multiple components. Synchrotron emission from the disk-powered jet and thermal emission from the merger ejecta (powered by a variety of sources) are among the most studied source

Externí odkaz: https://doaj.org/article/ec5ad803de8c4aac81dd1e863fb94492

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Akademický článek

Quantitative Long-Term Monitoring of the Circulating Gases in the KATRIN Experiment Using Raman Spectroscopy

Autor: Max Aker, Konrad Altenmüller, Armen Beglarian, Jan Behrens, Anatoly Berlev, Uwe Besserer, Benedikt Bieringer, Klaus Blaum, Fabian Block, Beate Bornschein, Lutz Bornschein, Matthias Böttcher, Tim Brunst, Thomas C. Caldwell, Suren Chilingaryan, Wonqook Choi, Deseada D. Díaz Barrero, Karol Debowski, Marco Deffert, Martin Descher, Peter J. Doe, Otokar Dragoun, Guido Drexlin, Stephan Dyba, Frank Edzards, Klaus Eitel, Enrico Ellinger, Ralph Engel, Sanshiro Enomoto, Mariia Fedkevych, Arne Felden, Joseph F. Formaggio, Florian Fränkle, Gregg B. Franklin, Fabian Friedel, Alexander Fulst, Kevin Gauda, Woosik Gil, Ferenc Glück, Robin Größle, Rainer Gumbsheimer, Volker Hannen, Norman Haußmann, Klaus Helbing, Stephanie Hickford, Roman Hiller, David Hillesheimer, Dominic Hinz, Thomas Höhn, Thibaut Houdy, Anton Huber, Alexander Jansen, Christian Karl, Jonas Kellerer, Luke Kippenbrock, Manuel Klein, Christoph Köhler, Leonard Köllenberger, Andreas Kopmann, Marc Korzeczek, Alojz Kovalík, Bennet Krasch, Holger Krause, Luisa La Cascio, Thierry Lasserre, Thanh-Long Le, Ondřej Lebeda, Bjoern Lehnert, Alexey Lokhov, Moritz Machatschek, Emma Malcherek, Alexander Marsteller, Eric L. Martin, Matthias Meier, Christin Melzer, Susanne Mertens, Klaus Müller, Simon Niemes, Patrick Oelpmann, Alexander Osipowicz, Diana S. Parno, Alan W.P. Poon, Jose M. Lopez Poyato, Florian Priester, Oliver Rest, Marco Röllig, Carsten Röttele, R.G. Hamish Robertson, Caroline Rodenbeck, Milos Ryšavỳ, Rudolf Sack, Alejandro Saenz, Peter Schäfer, Anna Schaller (née Pollithy), Lutz Schimpf, Klaus Schlösser, Magnus Schlösser, Lisa Schlüter, Michael Schrank, Bruno Schulz, Michal Sefčík, Hendrik Seitz-Moskaliuk, Valérian Sibille, Daniel Siegmann, Martin Slezák, Felix Spanier, Markus Steidl, Michael Sturm, Menglei Sun, Helmut H. Telle, Larisa A. Thorne, Thomas Thümmler, Nikita Titov, Igor Tkachev, Drahoš Vénos, Kathrin Valerius, Ana P. Vizcaya Hernández, Marc Weber, Christian Weinheimer, Christiane Weiss, Stefan Welte, Jürgen Wendel, John F. Wilkerson, Joachim Wolf, Sascha Wüstling, Weiran Xu, Yung-Ruey Yen, Sergey Zadoroghny, Genrich Zeller

Publikováno v: Sensors, Vol 20, Iss 17, p 4827 (2020)

The Karlsruhe Tritium Neutrino (KATRIN) experiment aims at measuring the effective electron neutrino mass with a sensitivity of 0.2 eV/c2, i.e., improving on previous measurements by an order of magnitude. Neutrino mass data taking with KATRIN commen

Externí odkaz: https://doaj.org/article/0410d255b7f14d5a9d14ed5c7856bd67

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Determination of pitch-angle diffusion coefficient from bi-Maxwellian velocity distribution functions

Autor: Maxime Dubart, Markus Battarbee, Urs Ganse, Adnane Osmane, Felix Spanier, Markku Alho, Giulia Cozzani, Maarja Bussov, Konstantinos Horaites, Yann Pfau-Kempf, Jonas Suni, Vertti Tarvus, Lucile Turc, Ivan Zaitsev, Hongyang Zhou, Minna Palmroth

Pitch-angle diffusion is one of the main processes of isotropisation of ions in the Earth's magnetosheath. It results from the proton cyclotron and mirror instabilities, arising from temperature anisotropy in the magnetosheath, and is governed by the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9d19eb1b2be312fef09c786299ac232
https://doi.org/10.5194/egusphere-egu23-6680

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Fully Kinetic Simulations: Semi-Lagrangian Particle-in-Cell Codes

Autor: Patrick Kilian, Felix Spanier

Publikováno v: Space and Astrophysical Plasma Simulation ISBN: 9783031118692

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::97a1c4ab2e0d8e9c911964a523804fb3
https://doi.org/10.1007/978-3-031-11870-8_6

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Subgrid modelling of pitch-angle diffusion for ion-scale waves in a global hybrid-Vlasov simulation

Autor: Maxime Dubart, Markus Battarbee, Urs Ganse, Felix Spanier, Jonas Suni, Andreas Johlander, Markku Alho, Maarja Bussov, Giulia Cozzani, Harriet George, Maxime Grandin, Talgat Manglayev, Kostis Papadakis, Yann Pfau-Kempf, Vertti Tarvus, Lucile Turc, Ivan Zaitsev, Hongyang Zhou, Minna Palmroth

Numerical simulations play a central role in modern sciences. The trade-off between the accuracy of the physical processes described and the cost of computational resources is often the main limiting factor in these simulations. In global hybrid-Vlas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4170431d69b7e8f0e5cf301868085aec
https://doi.org/10.5194/egusphere-egu22-3429

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Determining pitch-angle diffusion coefficients for electrons in whistler turbulence

Autor: Reinhard Schlickeiser, Felix Spanier, Cedric Schreiner

Publikováno v: Physics; Volume 4; Issue 1; Pages: 80-103

Transport of energetic electrons in the heliosphere is governed by resonant interaction with plasma waves, for for electrons with sub-GeV kinetic energies specifically with dispersive modes in the whistler regime. We have performed Particle in Cell s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c798911ebcdf997adaba53f0568f8105
http://arxiv.org/abs/2112.03999

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The design, construction, and commissioning of the KATRIN experiment

Autor: Stefan Welte, N. Titov, N. Trost, Suren Chilingaryan, S. Zadoroghny, J. Mostafa, B. Bieringer, L.I. Minter, B. L. Wall, M. Šefčík, M. Zacher, S. Bauer, C. Rodenbeck, A. P. Vizcaya Hernández, M. Fedkevych, M. Held, H. Bouquet, B. Krasch, P. C.-O. Ranitzsch, F. Block, T. Höhn, K. Vogt, A. Beglarian, C. Weinheimer, Thierry Lasserre, F. Eichelhardt, H. Bolz, Igor Tkachev, M. A. Howe, P. Plischke, C. Bettin, D.A. Peterson, P. Renschler, F. M. Fränkle, J. Grimm, Guido Drexlin, F. Edzards, A. Verbeek, B. Ostrick, K. Mehret, C. Köhler, B.A. VanDevender, M. Erhard, A. Felden, U. Naumann, R. Grössle, J. Kleinfeller, M. Hackenjos, M. Böttcher, Holger Neumann, Volker Hannen, L. La Cascio, B. Bender, K. Helbing, M. Meloni, H. Weingardt, P. Oelpmann, A. Osipowicz, R. Rinderspacher, Klaus Blaum, N.M. Boyd, A. Off, Joseph A. Formaggio, Michael Sturm, M. Deffert, A. Kumb, H. Frenzel, S. Horn, S. Dyba, V. Sibille, Andreas Kopmann, P. J. Doe, H. Bechtler, T. Houdy, D. Hinz, F. Heizmann, Lutz Bornschein, M. Prall, M. Klein, W. Gil, K. Gauda, G.A. Cox, A. Kovalík, K. Schlösser, A. I. Berlev, K.J. Wierman, M. Kaiser, S. Schneidewind, U. Besserer, R. Berendes, S. Fischer, A. Schaller, A. Jansen, S. Bobien, K. Altenmüller, Y.-R. Yen, O. Rest, E. L. Martin, K. Urban, A. Menshikov, R. G. H. Robertson, Reiner Vianden, A. Kosmider, M. Ryšavý, S. Groh, Ferenc Glück, Alan Poon, H.-W. Ortjohann, D. Hillesheimer, Alexey Lokhov, J. Reich, W. Seller, T. Brunst, G. P. Zeller, M. Slezák, J. A. Dunmore, S. Niemes, J. Bast, P. Rohr, S. Lichter, M. Korzeczek, M. Aker, M. Babutzka, Florian Priester, Marc Weber, K. Debowski, T. D. Van Wechel, Susanne Mertens, S. Görhardt, M. Descher, B. Hillen, D. Vénos, A. Marsteller, F. Friedel, A. Huber, S. Hickford, M. Machatschek, F. Harms, B. Lehnert, Felix Spanier, M. Mark, P. Schäfer, J. Hartmann, R. Sack, R. Gehring, H. Seitz-Moskaliuk, J.F. Amsbaugh, L. A. Thorne, J. Letnev, Marco Röllig, C. Röttele, E. Ellinger, B. Leiber, Alejandro Saenz, T. James, Beate Bornschein, Sascha Wüstling, M. Zboril, M. Kleesiek, W. Xu, T. S. Caldwell, Werner Rodejohann, Matthias Arenz, Ondřej Lebeda, L. Schlüter, M. Kraus, Joachim Wolf, N. Haußmann, Daniel Siegmann, J. Kellerer, A. Fulst, H. Krause, M. Sun, M. Steidl, O. Kazachenko, Benjamin Monreal, D. Díaz Barrero, E. Malcherek, J. Bohn, M. Leber, O. Dragoun, Denis Tcherniakhovski, T.J. Corona, J. Behrens, G. C. Harper, N. Kunka, M. Sagawe, Magnus Schlösser, Diana Parno, J. Wendel, Steffen Grohmann, S. Holzmann, L. Köllenberger, T.H. Burritt, D. Eversheim, Marcus Beck, Thomas Thümmler, L. Kuckert, R. Hiller, N. Wandkowsky, Z. Chaoui, K. Eitel, D. Hilk, M. Hötzel, Kathrin Valerius, C. Weiss, S. Rupp, M. Kleifges, C. Karl, M. Schrank, L. Schimpf, R. J. Lewis, J. F. Wilkerson, H. Schön, L. Kippenbrock, K. Schönung, R. Gumbsheimer, G. B. Franklin, C. Melzer, Helmut H. Telle, J. Schwarz, W. Q. Choi, J. M. Lopez Poyato, D. Häßler, B. Schulz, Ralph Engel, K. Müller, Sanshiro Enomoto, T. L. Le, K. Bokeloh, A. W. Myers

Publikováno v: Journal of Instrumentation, 16 (08), Art.-Nr.: T08015
JINST
JINST, 2021, 16, pp.T08015. ⟨10.1088/1748-0221/16/08/T08015⟩
Journal of Instrumentation
JINST, 2021, 16 (08), pp.T08015. ⟨10.1088/1748-0221/16/08/T08015⟩

The KArlsruhe TRItium Neutrino (KATRIN) experiment, which aims to make a direct and model-independent determination of the absolute neutrino mass scale, is a complex experiment with many components. More than 15 years ago, we published a technical de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::633e0f26a8b7cad02a2a93d5bc8a9772
https://cronfa.swan.ac.uk/Record/cronfa58010/Download/58010__20967__4f42fa0a1c0641a4a1e9fb58590e3f03.pdf

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