Polarization of Nucleons in the Deuteron Stripping Reaction on Nuclei

Kovalchuk, V. I.

doi:10.1007/s11182-018-1503-6

Cited by 3 publications

(1 citation statement)

References 13 publications

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“…Формалізм попереднього розділу було успішно застосовано для опису експериментальних перерізів реакцій дейтронного зриву з неполяризованими [29] та поляризованими [30,31] дейтронами. Функції профілю () jj b  , що розкладалися у ряд (3), було спочатку обчислено в ейкональному наближенні (Додаток Б) з використанням табульованих розподілів густин ядермішеней із [26].…”

Section: результати розрахунків та їх аналізunclassified

Inclusive reactions of stripping and fragmentation involving light cluster nuclei at intermediate energies

Kovalchuk¹

2022

Nucl. Phys. At. Energy

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In the framework of eiconal approximation and the double folding model, a formalism for calculating inclusive spectra of particles from stripping and fragmentation reactions involving light cluster nuclei is proposed. The cross-section of the 12C(3He, d)13N reaction at an incident particle energy of 81.4 MeV and the proton spectra from the deuteron fragmentation reaction with 56 MeV energies by 12C and 27Al nuclei are described. The calculated values satisfactorily fit the corresponding experimental data.

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Section: результати розрахунків та їх аналізunclassified

Inclusive reactions of stripping and fragmentation involving light cluster nuclei at intermediate energies

Kovalchuk¹

2022

Nucl. Phys. At. Energy

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Cheetah spatiotemporal overlap with other large carnivores and prey at camera-trap sites: do they fit the niche-complementarity hypothesis?

Cornhill¹,

Balme²,

Hunter³

et al. 2023

Mamm Biol

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In guilds, such as the large predators, species compete over multiple resources that are both consumable and non-consumable. The niche complementary hypothesis states that competitors can overlap in resource use if there is low overlap for at least one shared resource. In Africa, cheetah, Acinonyx jubatus, compete with other large carnivores across space, time and prey and are known to be subordinate; however, rarely has the entire guild been considered when assessing resource partitioning by cheetah. Using camera-trap data from four areas sampled over 4 years, we compared spatial and temporal overlap between cheetah and other large carnivores. Moreover, we estimated short-term avoidance of sites by cheetah after another large carnivore had visited. We show that cheetah align with the niche complementary hypothesis to avoid other large carnivores. Cheetah experienced high overlap with African wild dog, Lycaon pictus, activity patterns but avoided sites that were used frequently by them. The inverse was observed for lion, Panthera leo, and spotted hyena, Crocuta crocuta, with cheetah avoiding them across time but not space. Cheetah experienced moderate overlap with leopard, Panthera pardus, across both space and time, with only possible short-term avoidance occurring. Finally, cheetah exhibited high levels of spatial and temporal overlap with preferred prey species, suggesting a novel demonstration of the trade-off between resource acquisition and predator avoidance. Our results showcase the importance of taking multiple scales and resource axes into consideration when determining species abilities to co-exist and provides tools for managers working in highly managed systems.

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Polarized-deuteron scattering by spin-zero target nuclei at intermediate energies

Kovalchuk

2024

Eur. Phys. J. A

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Polarization of Nucleons in the Deuteron Stripping Reaction on Nuclei

Cited by 3 publications

References 13 publications

Inclusive reactions of stripping and fragmentation involving light cluster nuclei at intermediate energies

Inclusive reactions of stripping and fragmentation involving light cluster nuclei at intermediate energies

Cheetah spatiotemporal overlap with other large carnivores and prey at camera-trap sites: do they fit the niche-complementarity hypothesis?

Polarized-deuteron scattering by spin-zero target nuclei at intermediate energies

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