Abstract
The 4π methods used to measure total reaction cross sections σR are presented; they are based on the detection of prompt γ rays and neutrons by scintillation spectrometers with a solid angle Ω close to 4π. The experimental setup based on a 12-detector CsI(Tl) spectrometer (Ω = 0.96 × 4π) is described, which has been used in experiments on measuring σR(E) for reactions with radioactive isotopes of He, Li, and Be. The above methods and the σR(E) measurement results for the 6He + 28Si,59Co,181Ta reactions are analyzed. The advantage of the method allowing for multiplicity of γ rays is shown.
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ACKNOWLEDGMENTS
We thank to the ACCULINNA scientific team for assistance in conducting experiments with the fragment separator beams.
Funding
The work was supported by the Russian Science Foundation, Grant no. 24-22-00117.
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Translated by M. Potapov
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Stukalov, S.S., Sobolev, Y.G. & Penionzhkevich, Y.E. Measurements of Total Cross Sections for Reactions with Weakly Bound Nuclei Using a 4π Scintillation Spectrometer. Phys. Part. Nuclei Lett. 21, 508–517 (2024). https://doi.org/10.1134/S154747712470050X
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DOI: https://doi.org/10.1134/S154747712470050X