What question did this study set out to answer?

This research aims to measure the cross sections of specific proton reactions on aluminum nuclei.

March 7, 2026

Cross Sections of Proton Reactions 27Al(р,x)22Na, 27Al(р,x)24Na, and 27Al(р,x)7Be at 50 GeV

Key Points

This research aims to measure the cross sections of specific proton reactions on aluminum nuclei.
Conducted experiments at the U-70 accelerator complex.
Used a monitor reaction involving natural copper to validate measurements.
Focused on proton energies of 50 GeV.
Independent measurements yielded cross sections for 22Na, 24Na, and 7Be nuclides.
Results provide vital data for understanding nuclear interactions at high energies.

Abstract

This paper presents the results of a series of independent measurements of the cross sections of proton reactions on aluminum nuclei with the yield of 22Na, 24Na, and 7Be nuclides at a proton energy of 50 GeV at the U-70 accelerator complex of the NRC Kurchatov Institute—IHEP. The experiment was carried out using a monitor reaction on natural copper natCu(p,x)24Na.

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