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Study of the mechanisms of cumulative-proton production in neutrino-nucleus interactions

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Abstract

The mechanisms of cumulative proton production are studied on the basis of data from the SCAT propane-freon bubble chamber exposed to a wideband neutrino beam at the Serpukhov accelerator. Kinematic correlations between the cumulative proton and muon, as well as pair correlations of the final protons, are analyzed. The former correlations are predicted by the two-nucleon correlation mechanism (TCM), whereas the latter are caused by the mechanism of secondary pion absorption (SPA) in the nucleus. It is shown that the TCM contribution to the cumulative proton production is most significant in the peripheral interactions (about 50%). The SPA contribution accounts for about a quarter of the inclusive cross section of cumulative proton production.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia

    N. M. Agababyan

  2. Yerevan Physics Institute, ul. Brat’ev Alikhanyan 2, Yerevan, 375036, Armenia

    G. Ajvazyan, M. Atayan, N. Grigoryan, G. Gulkanyan & G. Karamyan

  3. Institute for High Energy Physics, Protvino, Moscow oblast, 142284, Russia

    N. M. Agababyan, G. Ajvazyan, V. V. Ammosov, M. Atayan, N. Grigoryan, G. Gulkanyan, A. A. Ivanilov, G. Karamyan & V. A. Korotkov

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  1. N. M. Agababyan
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  2. G. Ajvazyan
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  3. V. V. Ammosov
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  4. M. Atayan
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  5. N. Grigoryan
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  6. G. Gulkanyan
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  7. A. A. Ivanilov
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  8. G. Karamyan
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  9. V. A. Korotkov
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__________

Translated from Yadernaya Fizika, Vol. 65, No. 9, 2002, pp. 1669–1675.

Original Russian Text Copyright © 2002 by Agababyan, Ajvazyan, Ammosov, Atayan, Grigoryan, Gulkanyan, Ivanilov, Karamyan, Korotkov.

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Agababyan, N.M., Ajvazyan, G., Ammosov, V.V. et al. Study of the mechanisms of cumulative-proton production in neutrino-nucleus interactions. Phys. Atom. Nuclei 65, 1628–1633 (2002). https://doi.org/10.1134/1.1508694

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  • DOI: https://doi.org/10.1134/1.1508694

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