Bibliografías temáticas / Compound Nucleus Formation probability

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Literatura académica sobre el tema "Compound Nucleus Formation probability"

Autor: Grafiati
Publicado: 25 de enero de 2025
Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Compound Nucleus Formation probability"

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Wang, N., and M. Liu. "Extraction of probability of compound-nucleus formation." Nuclear Physics A 834, no. 1-4 (2010): 212c—216c. http://dx.doi.org/10.1016/j.nuclphysa.2009.12.043.

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Budaca, R., A. Sandulescu, and M. Mirea. "Quasifission mass distributions in the synthesis of 274Hs with 26Mg and 36S projectiles." Modern Physics Letters A 30, no. 26 (2015): 1550129. http://dx.doi.org/10.1142/s0217732315501291.

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The potential energy landscape for the [Formula: see text] synthesis is evaluated in the framework of the macroscopic–microscopic model. The fragmentation potential calculated in a configuration space characterized by five degrees of freedom associated to elongation, mass asymmetry, necking, and left/right deformations reveals the existence of several minima and some pronounced valleys. The valleys correspond mainly to the [Formula: see text] and [Formula: see text] quasifission channels, but also for some paths in the formation of the compound nuclear system. In this context, two different pa
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3

Albertsson, Martin, B. Gillis Carlsson, Thomas Døssing, Jørgen Randrup, Dirk Rudolph, and Sven Åberg. "Formation of 258Rf in drift plus diffusion dynamics." EPJ Web of Conferences 306 (2024): 01014. http://dx.doi.org/10.1051/epjconf/202430601014.

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We present calculations on the formation of 258Rf in the reaction 50Ti+208Pb within the Langevin framework. The initital stage after contact of the colliding nuclei is dominated by a drift in the center-of-mass direction, while the subsequent process of forming a compound nucleus is diffusion dominated. The probability for the composite system to diffuse over the inner saddle is obtained by performing Metropolis random walks in a five-dimensional potential-energy landscape.
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4

Maydanyuk, Sergei P., Gyorgy Wolf, and Kostiantyn A. Shaulsky. "Synthesis of Elements in Compact Stars in Pycnonuclear Reactions with Carbon Isotopes: Quasibound States vs. States of Zero-Points Vibrations." Universe 9, no. 8 (2023): 354. http://dx.doi.org/10.3390/universe9080354.

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(1) Purpose: Conditions of formation of compound nuclear systems needed for synthesis of heavy nuclei in pycnonuclear reactions in compact stars are studied on a quantum mechanical basis. (2) Methods: The method of multiple internal reflections is applied for pycnonuclear reactions in compact stars with new calculations of quasibound spectra and spectra of zero-point vibrations. (3) Results: Peculiarities of the method are analyzed for reaction with isotopes of Carbon. The developed method takes into account continuity and conservation of quantum flux (describing pycnonuclear reaction) inside
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NASIROV, AVAZBEK, GIORGIO GIARDINA, GIUSEPPE MANDAGLIO, MARINA MANGANARO, and AKHTAM MUMINOV. "MECHANISMS PRODUCING FISSIONLIKE BINARY FRAGMENTS IN HEAVY ION COLLISIONS." International Journal of Modern Physics E 19, no. 05n06 (2010): 997–1008. http://dx.doi.org/10.1142/s0218301310015448.

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The mixing of the quasifission component to the fissionlike cross section causes ambiguity in the quantitative estimation of the complete fusion cross section from the observed angular and mass distributions of the binary products. We show that the partial cross section of quasifission component of binary fragments covers the whole range of the angular momentum values leading to capture. The calculated angular momentum distributions for the compound nucleus and dinuclear system going to quasifission may overlap: competition between complete fusion and quasifission takes place at all values of
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Li, Ning, and Wei Zeng Chen. "Investigation and Simulation on Amorphous Formation and Growth." Applied Mechanics and Materials 138-139 (November 2011): 727–31. http://dx.doi.org/10.4028/www.scientific.net/amm.138-139.727.

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The amorphous formation mechanism was studied from the viewpoint of the crystallography. The experimental results showed that the heterogeneity atoms with chemical bonds had a higher capability of forming into compounds than that of congener atoms. It was proposed that the banded structure was induced by the variation of active atoms with a proper thickness, alternated depletion and enrichment of anions in the diffusion layer due to generation and evolution of hydrogen gas. The chemical force plays an important part in the formation. The factors working on chemical reaction affect the formatio
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Li, Ning, and Wei Zeng Chen. "Investigation and Simulation on Amorphous Formation and Growth." Advanced Materials Research 346 (September 2011): 136–40. http://dx.doi.org/10.4028/www.scientific.net/amr.346.136.

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The amorphous formation mechanism was studied from the viewpoint of the crystallography. The experimental results showed that the heterogeneity atoms with chemical bonds had a higher capability of forming into compounds than that of congener atoms. It was proposed that the banded structure was induced by the variation of active atoms with a proper thickness, alternated depletion and enrichment of anions in the diffusion layer due to generation and evolution of hydrogen gas. The chemical force plays an important part in the formation. The factors working on chemical reaction affect the formatio
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8

Ansari, Ahmad, and Nader Ghahramany. "Production cross-sections of superheavy elements using nearly double magic nuclei as projectile." International Journal of Modern Physics E 26, no. 07 (2017): 1750050. http://dx.doi.org/10.1142/s0218301317500501.

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In our new approach, evaporation residue cross-sections for new superheavy nuclei with atomic numbers [Formula: see text] are estimated by calculation of vital characteristics of superheavy nuclei synthesis such as the fission barrier height, the compound nucleus formation probability and the survival probability of the residue nuclei. Our presented estimation is in good agreement with available experimental data. In addition, this new approach allowed us to predict the evaporation residue cross-sections for superheavy nuclei with [Formula: see text] and 120 via introducing synthesis box and c
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Khuukhenkhuu, Gonchigdorj, Myagmarjav Odsuren, Yury Gledenov та ін. "An evaluation of the alpha-cluster formation factor in (n, α) reactions". EPJ Web of Conferences 239 (2020): 03007. http://dx.doi.org/10.1051/epjconf/202023903007.

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In this work we suggest some methods based on the statistical and knock-on models, for evaluation of the α-clustering factor or α-clustering probability in (n, α) reactions induced by slow and fast neutrons. The main purpose of this study is to compare the values of the α-clustering factors obtained by the compound and direct mechanisms for the same nuclear reactions. Also, our results are compared with values estimated by other authors.
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10

Macías, Mario A., Nerith-Rocio Elejalde, Estefanía Butassi, Susana Zacchino, and Jaime Portilla. "Studies via X-ray analysis on intermolecular interactions and energy frameworks based on the effects of substituents of three 4-aryl-2-methyl-1H-imidazoles of different electronic nature and their in vitro antifungal evaluation." Acta Crystallographica Section C Structural Chemistry 74, no. 11 (2018): 1447–58. http://dx.doi.org/10.1107/s2053229618014109.

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The crystal structures of 2-methyl-4-phenyl-1H-imidazole, C10H10N2, (3a), 4-(4-chlorophenyl)-2-methyl-1H-imidazole hemihydrate, C10H9ClN2·0.5H2O, (3b), and 4-(4-methoxyphenyl)-2-methyl-1H-imidazole, C11H12N2O, (3c), have been analyzed. It was found that the electron-donating/withdrawing tendency of the substituent groups in the aryl ring influence the acid–base properties of the 2-methylimidazole nucleus, changing the strength of the intermolecular N—H...N interactions. This behaviour not only influences the crystal structure but also seems to have an important effect on the antifungal activit
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Tesis sobre el tema "Compound Nucleus Formation probability"

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Donglo, Hope. "Study οf reactiοn mechanisms fοr the synthesis οf super-heavy elements". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC243.

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Cette thèse étudie le mécanisme de synthèse des éléments super-lourds (SHE) par des réactions de fusion-évaporation. Il s'agit de noyaux de numéro atomique \(Z \ge 104\) qui n'existent pas dans la nature en raison de leurs barrières de fission macroscopiques qui disparaissent. Ils sont stabilisés par une correction quantique du modèle en couches. La recherche de nouveaux SHE repousse les limites de la physique nucléaire et nous permet de mieux comprendre leur formation, leur stabilité et leur structure. Cependant, la synthèse des SHE est un défi en raison de la diminution des sections efficace
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Libros sobre el tema "Compound Nucleus Formation probability"

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Smithson, Michael. Human Understandings of Probability. Edited by Alan Hájek and Christopher Hitchcock. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199607617.013.29.

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In this chapter developments in theories and research on human understandings and judgements of probability are examined. The concept of probability as a degree of belief and the systematic study of human probability judgements have emerged only recently, but have stimulated numerous fruitful debates about the nature of rationality, belief formation, decision-making, and uncertainty itself. The chapter begins with a review of how the connection between probability and degrees of belief was developed and elaborated to form a prescriptive framework, followed by a brief summary of debates concern
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Capítulos de libros sobre el tema "Compound Nucleus Formation probability"

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Diaz-Torres, A. "Formation of the Compound Nucleus in Fusion of Heavy Nuclei." In Structure and Dynamics of Elementary Matter. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2705-5_37.

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2

Willis, B. T. M., and C. J. Carlile. "Neutron detection." In Experimental Neutron Scattering. Oxford University PressOxford, 2009. http://dx.doi.org/10.1093/oso/9780198519706.003.0004.

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Abstract The neutron is a very weak probe, and so neutron scattering does not unduly disturb the properties of the sample under investigation. From the point of view of scattering theory this is a significant advantage, as it allows us to use the Born approximation (whereby the scattering process is treated by first-order perturbation theory) in describing the neutron–nucleus interaction. However, the weakness of its interaction with matter also renders neutrons difficult to detect directly. Thermal neutrons produce negligible ionization and they can only be detected by the production of secon
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3

Gadioli, E., and P. E. Hodgson. "Level and State Densities." In Design of Enzyme Inhibitors as Drugs, Volume 2. Oxford University PressNew York, NY, 1994. http://dx.doi.org/10.1093/oso/9780192621344.003.0002.

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Abstract In the statistical model of nuclear reactions, discussed in the next chapter, the basic hypothesis is made of the formation of a fully equilibrated compound nucleus whose decay is independent of the mode of formation and entirely governed by the phase space available to the reaction products (Weisskopf and Ewing 1940). A similar hypothesis, the equiprobability of all decay modes of the excited intermediate (projectile + target) composite system, was made by Griffin (1966) in developing the exciton model for pre-equilibrium reactions, and was thereafter adopted in all subsequent theori
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4

Atkins, Peter. "Missile Deployment: Nucleophilic Substitution." In Reactions. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199695126.003.0020.

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The equivalent of a heat-seeking missile in chemistry is a ‘nucleophile’, a lover of nuclei. The ‘missile’ in this case is a special sort of molecule which sniffs out not heat but positive electric charge, the charge of a nucleus glinting through depleted regions of electron cloud in a target molecule. A candidate for such a missile is a negatively charged ion, which can be attracted to the partially exposed positive charge of a nucleus in the target. With nucleus-sniffing in mind, you can perhaps appreciate that if it is possible to blow away some of the electron cloud from the region of a pa
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Actas de conferencias sobre el tema "Compound Nucleus Formation probability"

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Dietrich, F. S., Jutta Escher, Frank S. Dietrich, Toshihiko Kawano, and Ian J. Thompson. "Compound-Nucleus Formation Following Direct Interactions to Highly-Excited Final States." In COMPOUND-NUCLEAR REACTIONS AND RELATED TOPICS: Proceedings of the 2007 International Workshop on Compound-Nuclear Reactions and Related Topics - CNR∗ 2007. AIP, 2008. http://dx.doi.org/10.1063/1.2920714.

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Karp, Joel, Tiago Henrique Leitão Dalcuche, Fabricio Silva, and Rigoberto Morales. "BUBBLE-DROP INTERACTIONS IN FLOTATION COLUMNS – THE PROBABILITY OF COMPOUND DROP FORMATION." In 19th Brazilian Congress of Thermal Sciences and Engineering. ABCM, 2022. http://dx.doi.org/10.26678/abcm.encit2022.cit22-0703.

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Washiyama, Kouhei, Noboru Takigawa, and Sakir Ayik. "Quantum diffusion approach to the formation of a heavy compound nucleus by heavy-ion fusion reactions." In TOURS SYMPOSIUM ON NUCLEAR PHYSICS VI. AIP, 2007. http://dx.doi.org/10.1063/1.2713546.

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DROUART, A., J. L. CHARVET, R. DAYRAS, et al. "EVIDENCE OF Z=120 COMPOUND NUCLEUS FORMATION FROM LIFETIME MEASUREMENTS IN THE 238U+Ni REACTION AT 6.62 MEV/NUCLEON." In Proceedings of the International Symposium. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701749_0028.

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Ajlouni, Abdul-Wali M. S. "Deep Atomic Binding (DAB) Hypothesis: A New Approach of Fission Product Chemistry." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89054.

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Former studies assumed that, after fission process occurs, the highly ionized new born atoms (20–22 positive charge), ionize the media in which they pass through before becoming stable atoms in a manner similar to 4-MeV-particles. Via ordinary chemical reactions with the surroundings, each stable atom has a probability to form chemical compound. Since there are about 35 different elemental atoms created through fission processes, a large number of chemical species were suggested to be formed. But, these suggested chemical species were not found in the environment after actual releases of FP du
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6

Fan, Junting, Feng Zhang, and Liang China University of Petroleum (East China). "A New Method of Porosity Determination by D-T Neutron Generator and Dual CLYC Detector." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0121.

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Porosity is one of the essential parameters in conventional oil and gas reservoir evaluation, as well as plays an important role in the calculation of formation saturation and reserves estimation. Neutron-porosity logging based on the Am-Be source is the most commonly used method to obtain formation porosity. However, due to the restriction and safety issues of the Am-Be neutron source, which has been gradually replaced by the D-T source, the energy of neutrons emitted from D-T sources is significantly higher than that of the Am-Be source, resulting in reduced sensitivity of the instrument. At
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Informes sobre el tema "Compound Nucleus Formation probability"

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Gregorich, K., CE Dullman, W. Loveland, et al. Heavy element formation in compound nucleus reactions with 238U targets. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1735553.

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