Effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beams

Effects of beam wobbling and target rotation on reducing target temperature are quantitatively considered with simulations and calculations. These manipulations with the beam and target reduce sharpness in the beam-density distribution, making it quasiuniform on the target surface. A uniform beam de...

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Main Author: R. N. Sagaidak
Format: Article
Language:English
Published: American Physical Society 2021-08-01
Series:Physical Review Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevAccelBeams.24.083001
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author R. N. Sagaidak
author_facet R. N. Sagaidak
author_sort R. N. Sagaidak
collection DOAJ
description Effects of beam wobbling and target rotation on reducing target temperature are quantitatively considered with simulations and calculations. These manipulations with the beam and target reduce sharpness in the beam-density distribution, making it quasiuniform on the target surface. A uniform beam density is essential in prolonged experiments on the synthesis of superheavy nuclei using intense heavy-ion beams and actinide targets. The heavy-ion beam energy partially absorbed by the target and target backing heats them and transfers warmth to the surrounding by different means. The target temperature was initially considered for a stationary target using notions of heat transfer due to the thermal conductivity, radiation emission, and heat removal to dilute gas surrounding the target. The effects of the beam width, the amplitude of the wobbler, and the rotating target velocity on the beam-density distribution across the target surface and, consequently, on its temperature are further estimated with the same notions.
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spelling doaj.art-5fa5a33a9a754ebb96a320b4d2a1c54c2022-12-21T23:30:26ZengAmerican Physical SocietyPhysical Review Accelerators and Beams2469-98882021-08-0124808300110.1103/PhysRevAccelBeams.24.083001Effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beamsR. N. SagaidakEffects of beam wobbling and target rotation on reducing target temperature are quantitatively considered with simulations and calculations. These manipulations with the beam and target reduce sharpness in the beam-density distribution, making it quasiuniform on the target surface. A uniform beam density is essential in prolonged experiments on the synthesis of superheavy nuclei using intense heavy-ion beams and actinide targets. The heavy-ion beam energy partially absorbed by the target and target backing heats them and transfers warmth to the surrounding by different means. The target temperature was initially considered for a stationary target using notions of heat transfer due to the thermal conductivity, radiation emission, and heat removal to dilute gas surrounding the target. The effects of the beam width, the amplitude of the wobbler, and the rotating target velocity on the beam-density distribution across the target surface and, consequently, on its temperature are further estimated with the same notions.http://doi.org/10.1103/PhysRevAccelBeams.24.083001
spellingShingle R. N. Sagaidak
Effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beams
Physical Review Accelerators and Beams
title Effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beams
title_full Effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beams
title_fullStr Effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beams
title_full_unstemmed Effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beams
title_short Effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beams
title_sort effects of beam wobbling and target rotation on the target temperature in experiments with intense heavy ion beams
url http://doi.org/10.1103/PhysRevAccelBeams.24.083001
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