Co-location of lightning leader x-ray and electric field change sources

J. Howard; M. A. Uman; J. R. Dwyer; D. Hill; C. Biagi; Z. Saleh; J. Jerauld; H. K. Rassoul

doi:10.1029/2008GL034134

Co-location of lightning leader x-ray and electric field change sources

J. Howard, M. A. Uman, J. R. Dwyer, D. Hill, C. Biagi, Z. Saleh, J. Jerauld, H. K. Rassoul

Division of Medical Physics

Research output: Contribution to journal › Article › peer-review

65 Scopus citations

Abstract

Using an eight-station time of arrival (TOA) network composed of NaI(Tl) scintillation detectors and wideband electric field derivative (dE/dt) antennas covering approximately 1 km² on the ground, we have located both the sources of X-ray emissions and electric field changes produced during the leader phase of both downward negative natural and rocket-triggered lightning strokes. We show that the sources of X rays and leader step electric field changes are co-located in space within 50 m and that the located X rays are emitted 0.1 to 1.3 μs after the origin of the leader step electric field changes.

Original language	English
Article number	L13817
Journal	Geophysical Research Letters
Volume	35
Issue number	13
DOIs	https://doi.org/10.1029/2008GL034134
State	Published - Jul 16 2008

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10.1029/2008GL034134

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AU - Howard, J.

AU - Uman, M. A.

AU - Dwyer, J. R.

AU - Hill, D.

AU - Biagi, C.

AU - Saleh, Z.

AU - Jerauld, J.

AU - Rassoul, H. K.

PY - 2008/7/16

Y1 - 2008/7/16

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AB - Using an eight-station time of arrival (TOA) network composed of NaI(Tl) scintillation detectors and wideband electric field derivative (dE/dt) antennas covering approximately 1 km2 on the ground, we have located both the sources of X-ray emissions and electric field changes produced during the leader phase of both downward negative natural and rocket-triggered lightning strokes. We show that the sources of X rays and leader step electric field changes are co-located in space within 50 m and that the located X rays are emitted 0.1 to 1.3 μs after the origin of the leader step electric field changes.

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JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 13

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Co-location of lightning leader x-ray and electric field change sources

Abstract

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