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- From: seh@neutron.physics.arizona.edu (Steven E. Hoell)
- Newsgroups: sci.physics
- Subject: Re: question on electromagnetic pulse
- Message-ID: <1993Jan20.180545.12198@galileo.physics.arizona.edu>
- Date: 20 Jan 93 18:05:45 GMT
- References: <15494.2b5805ec@ohstpy.mps.ohio-state.edu>
- Sender: news@galileo.physics.arizona.edu (C-news)
- Distribution: usa
- Organization: University of Arizona, Tucson AZ
- Lines: 23
-
- edharris@ohstpy.mps.ohio-state.edu asks
-
- >Could someone tell me (or point to a book/paper) what causes EMP
- >(ELectroMagnetic Pulse) in a nuclear explosion? How are relatively low
- >frequency Electromagnetic waves generated in such high energy reactions?
-
- Try
- "EMP: Engineering and Design Principles" (Bell Telephone
- Laboratories, 1975)
-
- "Electronmagnetic Signals from Nuclear Explosions in
- Outer Space" M.H. Johnson and B. A. Lippmann,
- Phys. Rev. vol.119, 1960.
-
- (I can't find my other papers.)
-
- EMP originates from Compton scattering: gamma rays from the burst collide
- with air molecules, knocking out electrons. The charge separation creates
- a strong non-radiated field. A radiated EMP field is generated by an
- unbalance in the Compton current caused by asymmetries in the surrounding
- environment. This accounts for the relatively low (radio) frequencies.
-
- Steve Hoell seh@neutron.physics.arizona.edu
-