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Mass spectrum of the diproton system produced in the reaction pn→pp π −

  • Nuclear Physics
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Abstract

The shape of the mass spectrum of the pp system produced near the threshold of the reaction pn→pp π − at initial proton momentum p lab≃2 GeV/s is discussed. It is shown that the shape of the spectrum becomes universal when the diproton system is produced with a large momentum transfer. All effects of the Coulomb and strong interactions in the final state are taken into account exactly for the model “Coulomb+separable Yamaguchi potential.” The solution presented for the amplitude of the reaction gives a good description of the experimentally observed shape of the spectrum near the peak (χ 2/d.f.=0.654).

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Authors and Affiliations

  1. Institute of Theoretical and Experimental Physics, 117259, Moscow, Russia

    A. E. Kudryavtsev, B. L. Druzhinin & V. E. Tarasov

Authors
  1. A. E. Kudryavtsev
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  2. B. L. Druzhinin
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  3. V. E. Tarasov
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Additional information

Pis’ma Zh. Éksp. Teor. Fiz. 63, No. 4, 221–226 (25 February 1996)

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Kudryavtsev, A.E., Druzhinin, B.L. & Tarasov, V.E. Mass spectrum of the diproton system produced in the reaction pn→pp π − . Jetp Lett. 63, 235–240 (1996). https://doi.org/10.1134/1.567008

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  • DOI: https://doi.org/10.1134/1.567008

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