Reaction ++dp+p at 65 to 140 MeV

Barry Ritchie, G. S. Blanpied, R. S. Moore, B. M. Preedom, K. Gotow, R. C. Minehart, J. Boswell, G. Das, H. J. Ziock, N. S. Chant, P. G. Roos, W. J. Burger, S. Gilad, R. P. Redwine

Research output: Contribution to journalArticle

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Abstract

Differential cross sections for the reaction ++dp+p were measured for pion laboratory energies of 65, 72.5, 80, 95, 110, 125, and 140 MeV. The integrated cross sections for these energies were found to be 7.510.19, 7.910.16, 8.640.15, 9.610.15, 11.30.2, 11.70.3, and 11.30.3 mb, respectively. These values indicate that the centroid and width of the energy dependence for the resonance in this reaction is lower and greater, respectively, than predicted by most theoretical models of the process. Comparisons made with predictions by Blankleider and Afnan show a qualitative difference between experimental measurements and calculations of the P4(cos) term in the polynomial expansion of the differential cross section. This may indicate a more important role for -like exchange in the reaction mechanism than that included by the calculations. NUCLEAR REACTIONS d(+,p)p, E=65,72.5,80,95,110,125,140 MeV; measured absolute dd, deduced total cross section; obtained fits to Pn(cos) expansion; compared with Faddeev-type calculations for the reaction.

Original languageEnglish (US)
Pages (from-to)1685-1692
Number of pages8
JournalPhysical Review C
Volume27
Issue number4
DOIs
StatePublished - 1983
Externally publishedYes

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cross sections
expansion
centroids
energy
polynomials
pions
predictions

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

Ritchie, B., Blanpied, G. S., Moore, R. S., Preedom, B. M., Gotow, K., Minehart, R. C., ... Redwine, R. P. (1983). Reaction ++dp+p at 65 to 140 MeV. Physical Review C, 27(4), 1685-1692. https://doi.org/10.1103/PhysRevC.27.1685

Reaction ++dp+p at 65 to 140 MeV. / Ritchie, Barry; Blanpied, G. S.; Moore, R. S.; Preedom, B. M.; Gotow, K.; Minehart, R. C.; Boswell, J.; Das, G.; Ziock, H. J.; Chant, N. S.; Roos, P. G.; Burger, W. J.; Gilad, S.; Redwine, R. P.

In: Physical Review C, Vol. 27, No. 4, 1983, p. 1685-1692.

Research output: Contribution to journalArticle

Ritchie, B, Blanpied, GS, Moore, RS, Preedom, BM, Gotow, K, Minehart, RC, Boswell, J, Das, G, Ziock, HJ, Chant, NS, Roos, PG, Burger, WJ, Gilad, S & Redwine, RP 1983, 'Reaction ++dp+p at 65 to 140 MeV', Physical Review C, vol. 27, no. 4, pp. 1685-1692. https://doi.org/10.1103/PhysRevC.27.1685
Ritchie B, Blanpied GS, Moore RS, Preedom BM, Gotow K, Minehart RC et al. Reaction ++dp+p at 65 to 140 MeV. Physical Review C. 1983;27(4):1685-1692. https://doi.org/10.1103/PhysRevC.27.1685
Ritchie, Barry ; Blanpied, G. S. ; Moore, R. S. ; Preedom, B. M. ; Gotow, K. ; Minehart, R. C. ; Boswell, J. ; Das, G. ; Ziock, H. J. ; Chant, N. S. ; Roos, P. G. ; Burger, W. J. ; Gilad, S. ; Redwine, R. P. / Reaction ++dp+p at 65 to 140 MeV. In: Physical Review C. 1983 ; Vol. 27, No. 4. pp. 1685-1692.
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AU - Ritchie, Barry

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AU - Moore, R. S.

AU - Preedom, B. M.

AU - Gotow, K.

AU - Minehart, R. C.

AU - Boswell, J.

AU - Das, G.

AU - Ziock, H. J.

AU - Chant, N. S.

AU - Roos, P. G.

AU - Burger, W. J.

AU - Gilad, S.

AU - Redwine, R. P.

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AB - Differential cross sections for the reaction ++dp+p were measured for pion laboratory energies of 65, 72.5, 80, 95, 110, 125, and 140 MeV. The integrated cross sections for these energies were found to be 7.510.19, 7.910.16, 8.640.15, 9.610.15, 11.30.2, 11.70.3, and 11.30.3 mb, respectively. These values indicate that the centroid and width of the energy dependence for the resonance in this reaction is lower and greater, respectively, than predicted by most theoretical models of the process. Comparisons made with predictions by Blankleider and Afnan show a qualitative difference between experimental measurements and calculations of the P4(cos) term in the polynomial expansion of the differential cross section. This may indicate a more important role for -like exchange in the reaction mechanism than that included by the calculations. NUCLEAR REACTIONS d(+,p)p, E=65,72.5,80,95,110,125,140 MeV; measured absolute dd, deduced total cross section; obtained fits to Pn(cos) expansion; compared with Faddeev-type calculations for the reaction.

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