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Elastic scattering of 7 gev/c π-mesons on protons

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Il Nuovo Cimento (1955-1965)

Summary

The differential cross-section for the elastic scattering of 7 GeV/c pions on protons was investigated in a 24-liter propane bubble chamber. 508 elastic scatterings of π--mesons on free protons were selected from two-prong events and the differential cross-section measured for cos θcms < 0.995. By making use of the optical theorem to account for the forward scattering the total elastic cross-section was estimated to be (5.13 +0.40-0.54 ) mb. The shape of the differential cross-section is compared with the theoretical predictions of Domokos (8).

Riassunto

Si è studiata la sezione d‘urto differenziale per lo scattering elastico di pioni di 7 GeV/c su protoni in una camera a bolle a propano di 24 litri. Si sono scelti fra gli eventi a due rami 508 scattering elastici di mesoni π- su protoni liberi e si è misurata la sezione d‘urto differenziale per cos θcms < 0.995. Facendo uso del teorema ottico per tener conto dello scattering in avanti, si è stimato che la sezione d‘urto elastica totale valga (5.15 +0.40-0.54 ) mb. Si confronta l‘andamento della sezione d‘urto differenziale con le predizioni teoriche di Domokos (8).

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Authors and Affiliations

  1. University of Warsaw, Warsaw

    T. Hofmokl & A. Wróblewski

  2. Institute for Nuclear Research, Warsaw

    A. Filipkowski, L. Michejda, S. Otwinowski & R. Sosnowski

  3. Central Research Institute of Physics, Budapest

    E. Fenyves, T. Gémesy, T. Sándor, A. Sebestyén & F. Telbisz

Authors
  1. T. Hofmokl
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  2. A. Wróblewski
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  3. A. Filipkowski
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  4. L. Michejda
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  5. S. Otwinowski
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  6. R. Sosnowski
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  7. E. Fenyves
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  8. T. Gémesy
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  9. T. Sándor
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  10. A. Sebestyén
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  11. F. Telbisz
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Hofmokl, T., Wróblewski, A., Filipkowski, A. et al. Elastic scattering of 7 gev/c π-mesons on protons. Nuovo Cim 28, 118–122 (1963). https://doi.org/10.1007/BF02806055

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  • DOI: https://doi.org/10.1007/BF02806055

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