Quasi-elastic scattering of proton with 1 GeV energy on eight-nucleon cluster inside nucleus

O. V. Miklukho; A. Yu. Kisselev; G. M. Amalsky; V. A. Andreev; G. V. Fedotov; G. E. Gavrilov; A. A. Izotov; N. G. Kozlenko; P. V. Kravchenko; V. I. Murzin; D. V. Novinskiy; A. V. Shvedchikov; V. A. Stepanov; A. A. Zhdanov

arXiv · 2102.04109

Quasi-elastic scattering of proton with 1 GeV energy on eight-nucleon cluster inside nucleus

O. V. Miklukho·A. Yu. Kisselev·G. M. Amalsky·V. A. Andreev·G. V. Fedotov·G. E. Gavrilov·A. A. Izotov·N. G. Kozlenko·P. V. Kravchenko·V. I. Murzin·D. V. Novinskiy·A. V. Shvedchikov·V. A. Stepanov·A. A. Zhdanov

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Abstract

Available data on the polarization of the secondary proton (as a function of its momentum $K$) in the inelastic ({\it p, p$'$}) reactions with the $^{9}$Be, $^{12}$C, and $^{40}$Ca nuclei and differential cross section data (the momentum distributions) for the reactions at the initial proton energy 1 GeV and scattering angles $\Theta$=21$^\circ$ and $\Theta$=24.5$^\circ$ were analysed in a range of the high momenta $K$ close to the momentum corresponding to the proton elastic scattering off the investigated nucleus. A structure in the polarization and momentum distribution data at the high momenum $K$, related probably to quasi-elastic scattering off a $^{8}$Be-like nucleon cluster inside the nuclei, was observed.

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O. V. Miklukho, A. Yu. Kisselev, G. M. Amalsky, V. A. Andreev, G. V. Fedotov, G. E. Gavrilov, A. A. Izotov, N. G. Kozlenko, P. V. Kravchenko, V. I. Murzin, D. V. Novinskiy, A. V. Shvedchikov, V. A. Stepanov, A. A. Zhdanov. 2021-02-08. Quasi-elastic scattering of proton with 1 GeV energy on eight-nucleon cluster inside nucleus. https://arxiv.org/abs/2102.04109

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