Lattice calculation for lepton capture from vacuum-pair production in relativistic heavy-ion collisions

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The new colliding-beam heavy-ion accelerators, designed to investigate nuclear matter at high temperatures and densities, have motivated great interest during the last decade concerning possible new electromagnetic phenomena. One of the most interesting of these processes is the sparking of the vacuum to produce lepton-antilepton pairs. The process of electron capture from vacuum pair production is a principal beam-loss mechanism for highly charged relativistic ions in a storage ring, and thus must be considered in the design and the operation of these machines. In this paper, I present calculated impact-parameter-dependent probabilities and cross sections for muon capture from vacuum production ... continued below

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12 p.

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Wells, J. C.; Oberacker, V. E.; Umar, A. S. & Strayer, M. R. December 1994.

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The new colliding-beam heavy-ion accelerators, designed to investigate nuclear matter at high temperatures and densities, have motivated great interest during the last decade concerning possible new electromagnetic phenomena. One of the most interesting of these processes is the sparking of the vacuum to produce lepton-antilepton pairs. The process of electron capture from vacuum pair production is a principal beam-loss mechanism for highly charged relativistic ions in a storage ring, and thus must be considered in the design and the operation of these machines. In this paper, I present calculated impact-parameter-dependent probabilities and cross sections for muon capture from vacuum production in collisions of relativistic heavy ions by solving the time-dependent Dirac equation in unrestricted three-dimensional space using lattice-collocation techniques. Calculations are performed for muonpair production with capture into the K-shell in collisions of {sup 197}Au + {sup 197}Au at collider kinetic energies of 2 GeV per nucleon.

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12 p.

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INIS; OSTI as DE95007392

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  • 13. international conference on the application of accelerators in research and industry, Denton, TX (United States), 7-10 Nov 1994

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  • Other: DE95007392
  • Report No.: CONF-941129--16
  • Grant Number: AC05-84OR21400;FG05-87ER40376
  • Office of Scientific & Technical Information Report Number: 29449
  • Archival Resource Key: ark:/67531/metadc675159

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  • December 1994

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  • July 25, 2015, 2:20 a.m.

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  • Jan. 22, 2016, 8:45 p.m.

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Wells, J. C.; Oberacker, V. E.; Umar, A. S. & Strayer, M. R. Lattice calculation for lepton capture from vacuum-pair production in relativistic heavy-ion collisions, article, December 1994; Tennessee. (digital.library.unt.edu/ark:/67531/metadc675159/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.