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Neutron production in terrestrial gamma ray flashes
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| Zeitschriftentitel: | Journal of Geophysical Research: Space Physics |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of Geophysical Research: Space Physics, 115, 2010, A4 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Carlson, B. E. Lehtinen, N. G. Inan, U. S. Carlson, B. E. Lehtinen, N. G. Inan, U. S. |
|---|---|
| author |
Carlson, B. E. Lehtinen, N. G. Inan, U. S. |
| spellingShingle |
Carlson, B. E. Lehtinen, N. G. Inan, U. S. Journal of Geophysical Research: Space Physics Neutron production in terrestrial gamma ray flashes Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| author_sort |
carlson, b. e. |
| spelling |
Carlson, B. E. Lehtinen, N. G. Inan, U. S. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2009ja014696 <jats:p>Terrestrial gamma ray flashes (TGFs) are brief bursts of photons with energies up to 20 MeV typically observed in association with lightning. Such energetic photons may undergo photonuclear reactions with nontrivial cross section in the vicinity of the giant dipole resonance. Pulses of neutrons have been observed experimentally in coincidence with lightning, suggesting such reactions are observable. We present simulations of expected photoneutron production based on initial conditions inferred from observations of TGFs. We predict an average of ∼10<jats:sup>12</jats:sup> neutrons produced per TGF and give energy, time, and space distributions of neutrons produced and neutrons reaching ground and satellite altitude. The simulation results are consistent with some observations and suggest further experiments may be profitable.</jats:p> Neutron production in terrestrial gamma ray flashes Journal of Geophysical Research: Space Physics |
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10.1029/2009ja014696 |
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Technik Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik |
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American Geophysical Union (AGU), 2010 |
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American Geophysical Union (AGU) |
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Journal of Geophysical Research: Space Physics |
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| title |
Neutron production in terrestrial gamma ray flashes |
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Neutron production in terrestrial gamma ray flashes |
| title_full |
Neutron production in terrestrial gamma ray flashes |
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Neutron production in terrestrial gamma ray flashes |
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Neutron production in terrestrial gamma ray flashes |
| title_short |
Neutron production in terrestrial gamma ray flashes |
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neutron production in terrestrial gamma ray flashes |
| topic |
Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| url |
http://dx.doi.org/10.1029/2009ja014696 |
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2010 |
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<jats:p>Terrestrial gamma ray flashes (TGFs) are brief bursts of photons with energies up to 20 MeV typically observed in association with lightning. Such energetic photons may undergo photonuclear reactions with nontrivial cross section in the vicinity of the giant dipole resonance. Pulses of neutrons have been observed experimentally in coincidence with lightning, suggesting such reactions are observable. We present simulations of expected photoneutron production based on initial conditions inferred from observations of TGFs. We predict an average of ∼10<jats:sup>12</jats:sup> neutrons produced per TGF and give energy, time, and space distributions of neutrons produced and neutrons reaching ground and satellite altitude. The simulation results are consistent with some observations and suggest further experiments may be profitable.</jats:p> |
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| author | Carlson, B. E., Lehtinen, N. G., Inan, U. S. |
| author_facet | Carlson, B. E., Lehtinen, N. G., Inan, U. S., Carlson, B. E., Lehtinen, N. G., Inan, U. S. |
| author_sort | carlson, b. e. |
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| description | <jats:p>Terrestrial gamma ray flashes (TGFs) are brief bursts of photons with energies up to 20 MeV typically observed in association with lightning. Such energetic photons may undergo photonuclear reactions with nontrivial cross section in the vicinity of the giant dipole resonance. Pulses of neutrons have been observed experimentally in coincidence with lightning, suggesting such reactions are observable. We present simulations of expected photoneutron production based on initial conditions inferred from observations of TGFs. We predict an average of ∼10<jats:sup>12</jats:sup> neutrons produced per TGF and give energy, time, and space distributions of neutrons produced and neutrons reaching ground and satellite altitude. The simulation results are consistent with some observations and suggest further experiments may be profitable.</jats:p> |
| doi_str_mv | 10.1029/2009ja014696 |
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| finc_class_facet | Technik, Geologie und Paläontologie, Geographie, Chemie und Pharmazie, Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft, Biologie, Allgemeine Naturwissenschaft, Physik |
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| imprint_str_mv | American Geophysical Union (AGU), 2010 |
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| series | Journal of Geophysical Research: Space Physics |
| source_id | 49 |
| spelling | Carlson, B. E. Lehtinen, N. G. Inan, U. S. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2009ja014696 <jats:p>Terrestrial gamma ray flashes (TGFs) are brief bursts of photons with energies up to 20 MeV typically observed in association with lightning. Such energetic photons may undergo photonuclear reactions with nontrivial cross section in the vicinity of the giant dipole resonance. Pulses of neutrons have been observed experimentally in coincidence with lightning, suggesting such reactions are observable. We present simulations of expected photoneutron production based on initial conditions inferred from observations of TGFs. We predict an average of ∼10<jats:sup>12</jats:sup> neutrons produced per TGF and give energy, time, and space distributions of neutrons produced and neutrons reaching ground and satellite altitude. The simulation results are consistent with some observations and suggest further experiments may be profitable.</jats:p> Neutron production in terrestrial gamma ray flashes Journal of Geophysical Research: Space Physics |
| spellingShingle | Carlson, B. E., Lehtinen, N. G., Inan, U. S., Journal of Geophysical Research: Space Physics, Neutron production in terrestrial gamma ray flashes, Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| title | Neutron production in terrestrial gamma ray flashes |
| title_full | Neutron production in terrestrial gamma ray flashes |
| title_fullStr | Neutron production in terrestrial gamma ray flashes |
| title_full_unstemmed | Neutron production in terrestrial gamma ray flashes |
| title_short | Neutron production in terrestrial gamma ray flashes |
| title_sort | neutron production in terrestrial gamma ray flashes |
| title_unstemmed | Neutron production in terrestrial gamma ray flashes |
| topic | Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| url | http://dx.doi.org/10.1029/2009ja014696 |