The high energy behavior of the forward scattering parameters -- {sigma}{sub tot}, {rho}, and B

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Utilizing the most recent experimental data, the authors reanalyze high energy {anti p}p and pp data, using, two distinct (and dissimilar) analysis techniques: (1) asymptotic amplitude analysis, under the assumption that they have reached ``asymptopia``, and (2) an eikonal model whose amplitudes are designed to mimic real QCD amplitudes. The former gives strong evidence for a log(s/s{sub o}) dependence at current energies and not log{sup 2}(s/s{sub o}), and demonstrates that odderons are not necessary to explain the experimental data. The latter gives a unitary model for extrapolation into true ``asymptopia`` from current energies, allowing the authors to predict the values ... continued below

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12 p.

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Block, M. M.; Halzen, F.; Margolis, B. & White, A. R. October 1994.

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  • Block, M. M. Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy
  • Halzen, F. Univ. of Wisconsin, Madison, WI (United States). Dept. of Physics
  • Margolis, B. McGill Univ., Montreal, Quebec (Canada). Physics Dept.
  • White, A. R. Argonne National Lab., IL (United States). High Energy Physics Div.

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Description

Utilizing the most recent experimental data, the authors reanalyze high energy {anti p}p and pp data, using, two distinct (and dissimilar) analysis techniques: (1) asymptotic amplitude analysis, under the assumption that they have reached ``asymptopia``, and (2) an eikonal model whose amplitudes are designed to mimic real QCD amplitudes. The former gives strong evidence for a log(s/s{sub o}) dependence at current energies and not log{sup 2}(s/s{sub o}), and demonstrates that odderons are not necessary to explain the experimental data. The latter gives a unitary model for extrapolation into true ``asymptopia`` from current energies, allowing the authors to predict the values of the total cross section at future supercolliders. Using the QCD-model, they obtain {sigma}{sub tot}(16 TeV) = 109 {+-} 4mb and {sigma}{sub tot}(40 TeV) = 124 {+-} 4 mb.

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12 p.

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INIS; OSTI as DE95007075

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  • 24. international symposium on multiparticle dynamics, Vietri sul Mare (Italy), 12-19 Sep 1994

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  • Other: DE95007075
  • Report No.: ANL/HEP/CP--94-81
  • Report No.: CONF-9409257--4
  • Grant Number: W-31109-ENG-38;AC02-76ER02289
  • Office of Scientific & Technical Information Report Number: 28355
  • Archival Resource Key: ark:/67531/metadc669669

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  • October 1994

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • March 23, 2018, 3:06 p.m.

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Block, M. M.; Halzen, F.; Margolis, B. & White, A. R. The high energy behavior of the forward scattering parameters -- {sigma}{sub tot}, {rho}, and B, article, October 1994; Illinois. (digital.library.unt.edu/ark:/67531/metadc669669/: accessed April 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.