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In Situ Evidence of...
In Situ Evidence of Ion Acceleration between Consecutive Reconnection Jet Fronts
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- Catapano, Filomena (author)
- Univ Paris Sud, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France.;Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy.
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- Retino, Alessandro (author)
- Univ Paris Sud, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France.
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- Zimbardo, Gaetano (author)
- Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy.
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- Alexandrova, Alexandra (author)
- Univ Paris Sud, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France.,Southwest Res Inst, San Antonio, TX USA.;Univ Texas San Antonio, San Antonio, TX USA.,Royal Inst Technol, Stockholm, Sweden.
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- Cohen, Ian J. (author)
- Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA.
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- Turner, Drew L. (author)
- Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA.
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- Le Contel, Olivier (author)
- Univ Paris Sud, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France.
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- Cozzani, Giulia (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Perri, Silvia (author)
- Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy.
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- Greco, Antonella (author)
- Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy.
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- Breuillard, Hugo (author)
- Univ Paris Sud, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France.;CNRS, Lab Phys & Chim Environm & Espace, Orleans, France.
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- Delcourt, Dominique (author)
- CNRS, Lab Phys & Chim Environm & Espace, Orleans, France.
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- Mirioni, Laurent (author)
- Univ Paris Sud, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France.
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- Khotyaintsev, Yuri (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Vaivads, Andris (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Giles, Barbara L. (author)
- Goddard Space Flight Ctr, Greenbelt, MD USA.
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- Mauk, Barry H. (author)
- Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA.
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- Fuselier, Stephen A. (author)
- Southwest Res Inst, San Antonio, TX USA.;Univ Texas San Antonio, San Antonio, TX USA.
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- Torbert, Roy B. (author)
- Univ New Hampshire, Durham, NH 03824 USA.
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- Russell, Christopher T. (author)
- Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90024 USA.
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- Lindqvist, Per-Arne (author)
- KTH,Rymd- och plasmafysik
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- Ergun, Robert E. (author)
- Univ Colorado, LASP, Boulder, CO 80309 USA.
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- Moore, Thomas (author)
- Goddard Space Flight Ctr, Greenbelt, MD USA.
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- Burch, James L. (author)
- Southwest Res Inst, San Antonio, TX USA.
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Univ Paris Sud, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France;Univ Calabria, Dipartimento Fis, Arcavacata Di Rende, Italy. Univ Paris Sud, Lab Phys Plasmas, CNRS, Ecole Polytech,Sorbonne Univ,Observ Paris, Paris, France. (creator_code:org_t)
- 2021-02-15
- 2021
- English.
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In: Astrophysical Journal. - : American Astronomical Society. - 0004-637X .- 1538-4357. ; 908:1
- Related links:
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https://iopscience.i...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Processes driven by unsteady reconnection can efficiently accelerate particles in many astrophysical plasmas. An example is the reconnection jet fronts in an outflow region. We present evidence of suprathermal ion acceleration between two consecutive reconnection jet fronts observed by the Magnetospheric Multiscale mission in the terrestrial magnetotail. An earthward propagating jet is approached by a second faster jet. Between the jets, the thermal ions are mostly perpendicular to magnetic field, are trapped, and are gradually accelerated in the parallel direction up to 150 keV. Observations suggest that ions are predominantly accelerated by a Fermi-like mechanism in the contracting magnetic bottle formed between the two jet fronts. The ion acceleration mechanism is presumably efficient in other environments where jet fronts produced by variable rates of reconnection are common and where the interaction of multiple jet fronts can also develop a turbulent environment, e.g., in stellar and solar eruptions.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- Space plasmas
- Plasma jets
- Solar magnetic reconnection
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Catapano, Filome ...
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Retino, Alessand ...
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Zimbardo, Gaetan ...
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Alexandrova, Ale ...
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Cohen, Ian J.
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Turner, Drew L.
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Le Contel, Olivi ...
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Cozzani, Giulia
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Perri, Silvia
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Greco, Antonella
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Breuillard, Hugo
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Delcourt, Domini ...
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Mirioni, Laurent
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Khotyaintsev, Yu ...
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Vaivads, Andris
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Giles, Barbara L ...
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Mauk, Barry H.
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Fuselier, Stephe ...
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Torbert, Roy B.
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Russell, Christo ...
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Lindqvist, Per-A ...
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Ergun, Robert E.
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Moore, Thomas
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Burch, James L.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Astrophysical Jo ...
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Royal Institute of Technology
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Uppsala University