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Numerical Simulations of the Acceleration of Fast Protons and of the Excitation of Nuclear Reactions 11B(p, 3a) and 11B(p, n)C11 at the Intensities of Picosecond Laser Radiation in the Range 1018-1019 W/cm2
- Authors: Andreev S.N.1,2, Matafonov A.P.3, Tarakanov V.P.4, Belyaev V.S.3, Kedrov A.Y.3, Krainov V.P.1, Mukhanov S.A.5, Lobanov A.V.6
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Affiliations:
- Moscow Institute of Physics and Technology (National Research University)
- Moscow State Pedagogical University
- Central Research Institute for Machine Building
- Joint Institute for High Temperatures, Russian Academy of Sciences
- Moscow Polytechnic University
- National Research Nuclear University MEPhI)
- Issue: Vol 86, No 4 (2023)
- Pages: 495-505
- Section: ЭЛЕМЕНТАРНЫЕ ЧАСТИЦЫ И ПОЛЯ. Эксперимент
- URL: https://journals.rcsi.science/0044-0027/article/view/139748
- DOI: https://doi.org/10.31857/S0044002723040037
- EDN: https://elibrary.ru/EGHTUB
- ID: 139748
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Abstract
Results of numerical simulations for acceleration of proton beams at the irradiation of Al target by a superintense laser pulse are presented. There is a good agreement with the experimental data in a broad range of laser intensities from I = 1018 W/cm2 to I = 1019 W/cm2 at the fixed laser pulse duration. The obtained parameters of proton beams were used for calculation of the total yield of a particles and neutrons for the nuclear reactions 11B(p, 3a) and 11B(p, n)C11
C at the collisions of proton beams with boron targets. It is shown that the number of a particles escaping boron target and arriving at track detectors is less than 5
of the total amount of a particles, because the majority of these particles remain inside the target owing to ionization losses. The derived values of the yield of
particles’ which arrive at detectors are in good agreement with the experimental data. We also calculate the total yield of neutrons in the reaction 11B(p, n)C11
C. It is found that, at the intensity I = 1019 W/cm2 of the picosecond laser pulse, the yield is equal to Nn = 1.4 × 108 , this value is approximately of 3% of the total yield of a particles.
About the authors
S. N. Andreev
Moscow Institute of Physics and Technology (National Research University); Moscow State Pedagogical University
Email: vpkrainov@mail.ru
Dolgoprudny, Moscow oblast, Russia; Moscow, Russia
A. P. Matafonov
Central Research Institute for Machine Building
Email: vpkrainov@mail.ru
Korolev, Moscow oblast, Russia
V. P. Tarakanov
Joint Institute for High Temperatures, Russian Academy of Sciences
Email: vpkrainov@mail.ru
Moscow, Russia
V. S. Belyaev
Central Research Institute for Machine Building
Email: vpkrainov@mail.ru
Korolev, Moscow oblast, Russia
A. Yu. Kedrov
Central Research Institute for Machine Building
Email: vpkrainov@mail.ru
Korolev, Moscow oblast, Russia
V. P. Krainov
Moscow Institute of Physics and Technology (National Research University)
Email: vpkrainov@mail.ru
Dolgoprudny, Moscow oblast, Russia
S. A. Mukhanov
Moscow Polytechnic University
Email: vpkrainov@mail.ru
Moscow, Russia
A. V. Lobanov
National Research Nuclear University MEPhI)
Author for correspondence.
Email: vpkrainov@mail.ru
Moscow, Russia
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