Wake-riding electrons emitted by antiprotons traversing solid targets

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The dielectric response of the medium to a swift ion induces collective charge-density fluctuations which result in an oscillatory polarization potential trailing the ion ( wake''). The concept of such a wake'' dates back to Bohr. Meanwhile, a large number of investigations implementing approximations at various levels of sophistication have been performed. The plasmon-pole approximation is one of the simplest approximation which still accounts qualitatively for most of the features of the wake. Clearly, more subtle effects like bow waves and other dispersion effects are neglected. We will restrict ourselves in this paper to the plasmon-pole approximation including a phenomenological ... continued below

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Pages: (16 p)

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Burgdorfer, J.; Wang, J. & Mueller, J. (Tennessee Univ., Knoxville, TN (USA). Dept. of Physics) January 1, 1989.

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The dielectric response of the medium to a swift ion induces collective charge-density fluctuations which result in an oscillatory polarization potential trailing the ion ( wake''). The concept of such a wake'' dates back to Bohr. Meanwhile, a large number of investigations implementing approximations at various levels of sophistication have been performed. The plasmon-pole approximation is one of the simplest approximation which still accounts qualitatively for most of the features of the wake. Clearly, more subtle effects like bow waves and other dispersion effects are neglected. We will restrict ourselves in this paper to the plasmon-pole approximation including a phenomenological damping. We will neglect the effects of the self-wake which can affect the shape of the wake potential. 21 refs., 8 figs.

Physical Description

Pages: (16 p)

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NTIS, PC A03/MF A01; OSTI; INIS; GPO Dep.

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  • 12. Werner Brandt international workshop on charged particle penetration phenomena, San Sebastian (Spain), 4-7 Sep 1989

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  • Other: DE90003673
  • Report No.: CONF-8909210-4
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 5147907
  • Archival Resource Key: ark:/67531/metadc1053315

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  • January 1, 1989

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  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 1:38 p.m.

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Burgdorfer, J.; Wang, J. & Mueller, J. (Tennessee Univ., Knoxville, TN (USA). Dept. of Physics). Wake-riding electrons emitted by antiprotons traversing solid targets, article, January 1, 1989; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1053315/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.