Proton--proton interactions at 200 and 300 GeV/c

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The reactions pp $Yields$ pp $pi$$sup +$pi$sup -$ and pp $Yields$ pp$pi$$sup +$$pi$$sup -$$pi$$sup +$$pi$$sup -$ at 200 and 300 GeV/c were investigated using the Fermilab 30-inch hydrogen bubble chamber and downstream wide-gap spark chambers. This analysis is based upon approximately 9500 4- pronged and 6-pronged events. The cross sections were consistent with pomeron dominance for these reactions. The final state pp $pi$$sup +$$pi$$sup -$ is dominated by single diffractive dissociation, whose features are quite similar to those observed at low energy. A strong signal for double excitation was seen in the pp $pi$$sup +$$pi$$sup -$$pi$$sup +$$pi$$sup -$ final state ... continued below

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Pages: 155

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Ogino, F. January 1, 1976.

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  • Ames Laboratory
    Publisher Info: Ames Lab., Iowa (USA)
    Place of Publication: [Ames,] Iowa

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The reactions pp $Yields$ pp $pi$$sup +$pi$sup -$ and pp $Yields$ pp$pi$$sup +$$pi$$sup -$$pi$$sup +$$pi$$sup -$ at 200 and 300 GeV/c were investigated using the Fermilab 30-inch hydrogen bubble chamber and downstream wide-gap spark chambers. This analysis is based upon approximately 9500 4- pronged and 6-pronged events. The cross sections were consistent with pomeron dominance for these reactions. The final state pp $pi$$sup +$$pi$$sup -$ is dominated by single diffractive dissociation, whose features are quite similar to those observed at low energy. A strong signal for double excitation was seen in the pp $pi$$sup +$$pi$$sup -$$pi$$sup +$$pi$$sup -$ final state and pomeron factorization was found to be satisfied. In the pp $pi$$sup +$$pi$$sup -$ final state, 66 events passed the criterion of double pomeron exchange defined by D. M. Chew. However, these events were found to be severely contaminated by diffractive events. The two-particle exclusive azimuthal correlations agreed well with the prediction of a photostatistical model. (auth)

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Pages: 155

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  • Other Information: Thesis. Submitted to Iowa State Univ. Orig. Receipt Date: 30-JUN-76

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  • Report No.: IS-T--705
  • Grant Number: W-7405-ENG-82
  • DOI: 10.2172/4075659 | External Link
  • Office of Scientific & Technical Information Report Number: 4075659
  • Archival Resource Key: ark:/67531/metadc872880

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 1976

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  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 26, 2017, 7:30 p.m.

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Ogino, F. Proton--proton interactions at 200 and 300 GeV/c, thesis or dissertation, January 1, 1976; [Ames,] Iowa. (digital.library.unt.edu/ark:/67531/metadc872880/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.