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Total reaction cross sections of neutron-rich light nuclei measured by the COMBAS fragment-separator

https://doi.org/10.29317/ejpfm.2019030203

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Abstract

Preliminary results of measurements of the total reaction cross sections σR for nuclei4He,6He,8He,7Li,8Li,9Li,11Li,7Be,9Be,10Be,11Be,12Be,8B,10B,11B and12B nuclei at energy range (10-50) AMeV with28Si target is presented. The secondary beams of light nuclei were produced by bombardment of the 15N (50 AMeV) primary beam on Be target and separated by COMBAS fragment- separator. In dispersive focal plane a horizontal slit defined the momentum acceptance as 1% and a wedge degrader of 600 µm Al was installed. The Bρ of the second section of the fragment-separator was adjusted for measurements in energy range (10-45) AMeV. The strong absorption model reproduces the A-dependence of σR , but not the detailed structure. We are comparing our experimental data with predictions of microscopic (dashed line) and strong absorption model, Glauber multiple scattering theory and preliminary results are obtained.

About the Authors

B. .. Erdemchimeg
Joint Institute for Nuclear Research
Russian Federation


A. G. Artukh
Joint Institute for Nuclear Research
Russian Federation


S. .. Davaa
National University of Mongolia, NRC
Mongolia


B. M. Hue
Joint Institute for Nuclear Research
Russian Federation


T. .. Isataev
Joint Institute for Nuclear Research
Russian Federation


S. A. Klygin
Joint Institute for Nuclear Research
Russian Federation


G. A. Kononenko
Joint Institute for Nuclear Research
Russian Federation


G. .. Khuukhenkhuu
National University of Mongolia, NRC
Mongolia


S. M. Lukyanov
Joint Institute for Nuclear Research
Russian Federation


T. I. Mikhailova
Joint Institute for Nuclear Research
Russian Federation


V. A. Maslov
Joint Institute for Nuclear Research
Russian Federation


K. .. Mendibaev
Joint Institute for Nuclear Research
Russian Federation


Yu. M. Sereda
Joint Institute for Nuclear Research
Russian Federation


Yu. E. Penionzhkevich
Joint Institute for Nuclear Research
Russian Federation


A. N. Vorontzov
Joint Institute for Nuclear Research
Russian Federation


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Review

For citations:


Erdemchimeg B..., Artukh A.G., Davaa S..., Hue B.M., Isataev T..., Klygin S.A., Kononenko G.A., Khuukhenkhuu G..., Lukyanov S.M., Mikhailova T.I., Maslov V.A., Mendibaev K..., Sereda Yu.M., Penionzhkevich Yu.E., Vorontzov A.N. Total reaction cross sections of neutron-rich light nuclei measured by the COMBAS fragment-separator. Eurasian Journal of Physics and Functional Materials. 2019;3(2):134-138. https://doi.org/10.29317/ejpfm.2019030203

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ISSN 2522-9869 (Print)
ISSN 2616-8537 (Online)