Relevant bibliographies by topics / Collision radiative

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Collision radiative'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Collision radiative"

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Seaton, M. J. "New Atomic Data for Astronomy: An Introductory Review." Highlights of Astronomy 10 (1995): 570–71. http://dx.doi.org/10.1017/s1539299600012065.

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Astronomers require the following basic atomic data: energy levels and wavelengths’, radiative transition probabilities; cross sections for photo-ionisation and for collisional processes; and line profile parameters. They also require processed data such as: level populations; opacities; radiation forces; line emissivities; and collisional rate-coefficients.Many of the data used by astronomers come from theoretical work. Experimental work is of importance in determining accurate wavelengths, in providing essential checks on theory for radiative probabilities and collision rates, and in the determination of line-profile parameters. Experimental studies are particularly important for processes of collisional ionisation.
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Mioc, V., and C. Blaga. "Binary collisions in popovici’s photogravitational model." Serbian Astronomical Journal, no. 165 (2002): 9–16. http://dx.doi.org/10.2298/saj0265009m.

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The dynamics of bodies under the combined action of the gravitational attraction and the radiative repelling force has large and deep implications in astronomy. In the 1920s, the Romanian astronomer Constantin Popovici proposed a modified photogravitational law (considered by other scientists too). This paper deals with the collisions of the two-body problem associated with Popovici?s model. Resorting to McGehee-type transformations of the second kind, we obtain regular equations of motion and define the collision manifold. The flow on this boundary manifold is wholly described. This allows to point out some important qualitative features of the collisional motion: existence of the black-hole effect, gradientlikeness of the flow on the collision manifold, regularizability of collisions under certain conditions. Some questions, coming from the comparison of Levi-Civita?s regularizing transformations and McGehee?s ones, are formulated.
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Débarre, A., and Ph Cahuzac. "On the radiative-collision processes." Annales de Physique 12, no. 4 (1987): 313–45. http://dx.doi.org/10.1051/anphys:01987001204031300.

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van der Tak, Floris. "Radiative Transfer and Molecular Data for Astrochemistry." Proceedings of the International Astronomical Union 7, S280 (June 2011): 449–60. http://dx.doi.org/10.1017/s1743921311025191.

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AbstractThe estimation of molecular abundances in interstellar clouds from spectroscopic observations requires radiative transfer calculations, which depend on basic molecular input data. This paper reviews recent developments in the fields of molecular data and radiative transfer. The first part is an overview of radiative transfer techniques, along with a “road map” showing which technique should be used in which situation. The second part is a review of measurements and calculations of molecular spectroscopic and collisional data, with a summary of recent collisional calculations and suggested modeling strategies if collision data are unavailable. The paper concludes with an overview of future developments and needs in the areas of radiative transfer and molecular data.
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ZHONG-CAI, YUAN, SHI JIA-MING, WU XIAO-PO, and CHEN ZONG-SHEN. "Electro-physical property of plasma jet generated by burning chemicals as antenna." Journal of Plasma Physics 79, no. 1 (November 23, 2012): 51–54. http://dx.doi.org/10.1017/s0022377812000682.

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AbstractThe application of pulsed power to transient radiofrequency/microwave radiation for warhead/projectile payloads is currently a significant area of research. In this paper, the far-field radiative property of a plasma antenna is analyzed. Then, a plasma jet is generated by burning chemicals, in which the electron concentration and collision frequency are diagnosed, and the electric conductance is calculated. Finally, the feasibility to apply the plasma jet as antenna is investigated by analyzing the radiative pattern. The dependency of pattern on plasma electron density, collision frequency, and plasma wake radius is calculated and analyzed.
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Miraglia, Jorge E. "Radiative electron capture in proton-hydrogen collision." Physical Review A 32, no. 5 (November 1, 1985): 2702–6. http://dx.doi.org/10.1103/physreva.32.2702.

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Xi-Hua, Yang, Sun Zhen-Rong, Ding Liang-En, and Wang Zu-Geng. "Constructive interference via collision-aided radiative excitation." Chinese Physics 11, no. 4 (March 26, 2002): 346–51. http://dx.doi.org/10.1088/1009-1963/11/4/307.

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Stuchlik, Zdenek, and Jan Schee. "ON OBSERVATIONAL PHENOMENA RELATED TO KERR SUPERSPINARS." Acta Polytechnica 54, no. 3 (June 27, 2014): 254–58. http://dx.doi.org/10.14311/ap.2014.54.0254.

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We investigate possible signatures of a Kerr naked singularity (superspinar) in various observational phenomena. It has been shown that Kerr naked singularities (superspinars) have to be efficiently converted to a black hole due to accretion from Keplerian discs. In the final stages of the conversion process the near-extreme Kerr naked singularities (superspinars) provide a variety of extraordinary physical phenomena. Such superspinning Kerr geometries can serve as an efficient accelerator for extremely high-energy collisions, enabling a direct and clear demonstration of the outcomes of the collision processes. We shall discuss the efficiency and the visibility of the ultra-highenergy collisions in the deepest parts of the gravitational well of superspinning near-extreme Kerr geometries for the whole variety of particles freely falling from infinity. We demonstrate that ultrahigh-energy processes can be obtained with no fine tuning of the motion constants and the products of<br />the collision can escape to infinity with efficiency substantially higher than in the case of near-extreme black holes. Such phenomena influence the radiative processes taking place in the accretion disc, and together with the particular generated geometry they influence the observed radiation field. Here we<br />assume the “geometrical” influence of a Kerr naked singularity on the spectral line profiles of radiation emitted by monochromatically and isotropically radiating point sources forming a Keplerian ring or disc around such a compact object. We have found that the profiled spectral line of the radiating<br />Keplerian ring can be split into two parts because there is no event horizon in the naked singularity spacetimes. The profiled lines generated by Keplerian discs are qualitatively different for a Kerr naked singularity and black hole spacetimes broadened near the inner edge of a Keplerian disc.
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Vassie, L. H., and H. H. Telle. "Radiative Lifetimes and Collision Processes in Sodium-Rare Gas and Sodium-Hydrogen Systems." Laser Chemistry 15, no. 1 (January 1, 1994): 1–19. http://dx.doi.org/10.1155/1994/74032.

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Investigations of the collisional interactions between sodium atoms in the 32P states and helium and hydrogen gases are described. Studies of collision-induced mixing and quenching interactions have been carried out under conditions where chemical reaction to produce sodium hydride is possible. Thus the sodium number derivatives are sufficient for radiation trapping to occur. This is in contrast to virtually all previous investigations in which conditions were such that this effect need not be considered. The intensity and temporal behaviour of laser induced fluorescence (LIF) resulting from the photoexcitation of the sodium 32P states is monitored as a function of foreign gas pressure. Whilst many of the features observed are to be expected, results show how radiation trapping strongly influences cross-section determination. The need for a more rigorous treatment of collision cross-sections under these conditions, which are often more realistic than the ‘ideal’ trapping free situations, is demonstrated.
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Iwabuchi, Hironobu. "Efficient Monte Carlo Methods for Radiative Transfer Modeling." Journal of the Atmospheric Sciences 63, no. 9 (September 1, 2006): 2324–39. http://dx.doi.org/10.1175/jas3755.1.

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Abstract Demands for Monte Carlo radiative transfer modeling have grown with the increase in computational power in recent decades. This method provides realistic simulations of radiation processes for various types of application, including radiation budgets in cloudy conditions and remote measurements of clouds, aerosols, and gases. Despite many advantages, such as explicit treatment of three-dimensional radiative transfer, issues of numerical efficiency can make the method intractable, especially in radiance calculations. The commonly used local estimation method requires computationally intensive ray tracing at each collision. Furthermore, the realistic phase function of Mie scattering by cloud and aerosol particles has very sharp peaks in the forward direction. Radiance computations by Monte Carlo methods are inefficient for such spiky phase functions because of significant noise. Moreover, in optically thin regions, sampling of radiance contributions is so rare that long computing times are required to reduce noise. To solve these issues, several variance reduction methods have been proposed. This paper discusses a modified local estimation method, a truncation approximation for a highly anisotropic phase function, a collision-forcing method for optically thin media, a numerical diffusion technique, and several related topics. Numerical experiments demonstrated significant improvements in efficiency for solar radiance calculations in a limited number of cloudy cases.
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Dissertations / Theses on the topic "Collision radiative"

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Heninger, Michel. "Étude par spectrométrie de résonance cylclotronique ionique de réactions et relaxations d'ions à énergie de collision thermique." Paris 11, 1988. http://www.theses.fr/1988PA112402.

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Un spectromètre de Résonance Cyclotronique Ionique à trois étages (tricyclotron) conçu pour l'étude des réactions et des relaxations d'ions à énergie thermique est présenté. Cet appareil original permet de séparer, dans l'espace et dans le temps, la préparation des ions, leur éventuelle relaxation, leurs réactions et leur détection. Le présent travail porte sur la mise au point de cet appareil et sur le développement des procédures expérimentales qui ont permis d'étudier:La réactivité en fonction de l'énergie: les systèmes, NH ₃⁺ (X. V) + CH₃OH, O⁺ (²P. ²D. ⁴S) + H₂ O et N₂⁺ (X. V) + N₂ O, ont été étudiés soit en fonction de l’énergie interne, soit en fonction de l’énergie cinétique des ions. La relaxation radiative d'ions positifs vibrationnellement excités dans l'état électronique fondamental: Utilisant la méthode chimique de l'ion moniteur pour sonder l'énergie interne de l'ion, nous présentons une technique expérimentale pour mesurer la durée de vie radiative d'ions positifs. Nous donnons les premiers résultats obtenus pour des ions diatomiques: NO⁺ (95 ms pour le niveau v=1, 45 ms pour v=2), HCl⁺ (3 ms pour v=1) et DCl⁺+ (11ms pour v=1). En ce qui concerne l'ion triatomique HCO⁺, important en astrophysique, nous avons mesuré des durées de vie radiatives de 35 ms, 12 ms et 4 ms pour les trois premiers niveaux vibrationnels de l'élongation C-O. Nous avons aussi montré que le mode pliage a une durée de vie très longue (π ≃ 500 ms pour le niveau v=1). Nos résultats montrent aussi qu'en l'absence de collisions il n'y a pas de couplage entre les différents modes de vibration de HCO⁺ pour des énergies internes inférieures à 0. 70 eV. Nos mesures ont permis de confronter pour la première fois résultats de calculs ab initio et valeurs expérimentales pour des ions positifs
A new type of Ion Cyclotron Resonance spectrometer (tricyclotron) constructed to study reactions and relaxations of ions at thermal energies is presented. In this multistage ICR spectrometer, the production of the ions, their relaxation and their reactions and detection are time and space separated. In this work, we have in a first step perfected the apparatus and in a second one developed experimental procedures for two kinds of studies:Energy dependence of ion reactivity: The following systems, NH₃⁺ (X. V) + CH₃ OH, O⁺ + H₂O and N₂ ⁺(X. V) + N₂O, have been studied either as a function of internal energy or kinetic energy. Radiative relaxation of vibrationally excited positive ions in their electronic ground state: Using the chemical ion monitor technique to probe the ion internal energy, we developed an experimental method intended to measure the radiative lifetimes of positive ions. The first results obtained to diatomic ions are presented and discussed: NO⁺ (95 ms for v=1, 45 ms for v= 2), HCl⁺ (3 ms for v= 1) and DCl⁺ + (11 ms for v=1). The astrophysically important HCO⁺ triatomic ion has been investigated, and lifetimes of 35 ms, 12 ms and 4 ms have been measured for the three first vibrational leveIs of the C-O stretching mode. It is aIso shown that the bending mode has a very long lifetime (π ≃500 ms for v=1). Our results show also that if there is no collision, there is no coupling between the different vibrational modes of HCO ⁺ for internal energies up to 0. 7 eV. The present work has for the first time permitted the comparison of ab initio calculation results with experimental data for positive ions
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Galtier, Mathieu. "Approche statistique du rayonnement dans les milieux gazeux hétérogènes : de l’échantillonnage des transitions moléculaires au calcul de grandeurs radiatives." Thesis, Ecole nationale des Mines d'Albi-Carmaux, 2014. http://www.theses.fr/2014EMAC0017/document.

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L’étude du transfert radiatif dans les gaz (atmosphères planétaires, chambres de combustion, etc.) se heurte à deux principales difficultés : les hétérogénéités et la dépendance spectrale des propriétés radiatives du milieu d’intérêt. Les travaux présentés dans ce manuscrit proposent, au travers d’une approche statistique du rayonnement, une solution à ces deux limites qui ne nécessite aucune approximation de modèle physique ou numérique. Cette approche conduira au développement d’algorithmes de Monte-Carlo considérés à l’heure actuelle comme méthodes de référence dans la communauté du transfert radiatif. La difficulté liée aux hétérogénéités du milieu participant sera traitée par une technique empruntée à d’autres disciplines de la physique du transport : les algorithmes à collisions nulles. Leur application au rayonnement consiste à ajouter arbitrairement aux évènements d’absorption et de diffusion, un troisième type de collision n’ayant aucun effet sur le transport de photons : les collisions nulles. Ainsi, le coefficient d’extinction résultant de ces trois types de collision pourra être assumé comme homogène. Ensuite, il sera montré comment cette même technique lève un second verrou permettant de repenser de façon statistique l’idée de coefficient d’absorption. Cela ouvrira la voie à des algorithmes de Monte-Carlo qui estiment directement une observable radiative à partir de paramètres de transitions répertoriés dans des bases de données spectroscopiques, sans avoir à précalculer rigoureusement le coefficient d’absorption
Two major challenges are encountered when studying radiative transfer in gases (e.g. combustion chambers or planetary atmospheres): heterogeneity and spectral dependence of radiative properties. The work introduced in this manuscript, addresses this problem through a statistical approach of radiation that requires no model or numerical approximation. This approach leads to the development of Monte-Carlo methods, currently considered as reference solutions in the community of radiative transfer. The difficulty related to heterogeneity is handled by a technique borrowed from other fields of transport physics: null-collision algorithms. Their application to radiation consists in adding to the events of absorption and scattering a third arbitrary type of collision that has no effect on the photon transport. Thus, the extinction coefficient resulting from these three types of collisions can be assumed to be homogeneous. Then, it is shown how this very same technique opens the door to rethinking statistically the concept of absorption coefficient. This leads to Monte-Carlo algorithms that directly estimate radiative observables from transition parameters indexed in molecular spectroscopic databases, without the need of rigorously precomputing absorption coefficients
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Bouhafs, Nezha. "Excitation des hydrures d’azote par l’hydrogène atomique et moléculaire." Thesis, Normandie, 2017. http://www.theses.fr/2017NORMLH15/document.

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L'observation et l'étude des milieux moléculaires tel que le milieu interstellaire requièrent une connaissance détaillée des vitesses des processus de peuplement radiatifs et collisionnels afin d'accéder aux caractéristiques physiques (températures, densités, abondances des molécules, ...) de ces milieux. Les hydrures d'azote sont très présents dans les milieux interstellaires où ils s'avèrent être des intermédiaires de réaction important dans la chimie de l'azote. L'interprétation des observations des hydrures d'azote réalisées grâce au satellite HERSCHEL et l'interféromètre millimétrique ALMA, nécessite de connaître avec suffisamment de précision les taux de collision de ces molécules. Nous nous sommes donc intéressés dans cette thèse à la détermination des taux de collisions inélastiques des hydrures NH, NH2 et NH3 avec Ne, H2 et H, respectivement. A partir de surfaces d’énergie potentielle, les sections efficaces ont été obtenues pour les trois systèmes par la méthode exacte des équations couplées en utilisant les codes de dynamique moléculaire MOLSCAT et HIBRIDON. Les taux de collision sont ensuite obtenus pour des températures allant de 5 à 200 K. Enfin, les nouveaux taux de collisions de NH2 avec H2 ont été utilisés dans un code de transfert radiatif afin de reproduire les observations de NH2 en direction d'un nuage de formation d’étoile massive W31C. Nous montrons que les nouveau taux de collisions calculés apportent des contraintes sur les conditions physiques du nuage moléculaire
Observation and study of interstellar molecular clouds require the knowledge of molecular data to derive the physical conditions (temperature, gas density, molecular abundance) of these media. Nitrogen hydrides are highly abundant species in the interstellar medium and they are found to be important reaction intermediates in the nitrogen chemistry. The interpretation of nitrogen hydrides observations from the HERSCHEL spatial observatory and the ALMA interferometer, requires accurate collisional rate coefficients of these molecules. The present thesis focuses on the determination of new rate coefficients for NH, NH2 and NH3 molecules in collision with Ne, H2 et H, respectively. Inelastic cross sections for the rotational excitation of all the studied systems have been computed with a close coupling method using the molecular dynamic codes MOLSCAT and HIBRIDON. The cross sections are then used to calculate the collisional rate coefficients for temperatures ranging from 5 to 200 K. The new rate coefficients were included in radiative transfer calculations in order to model the observed transitions of NH2 towards high-mass star-forming region W31C. We show that using the previously published rate coefficients instead of these new ones have a significant impact on the modeling, leading to important differences on the density, abundance and on the OPR of NH2. The new data will allow to put interesting constraints on the physical condition of the molecular cloud
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Silva, Wânius José Garcia da. "Estudo de taxas de perdas em sistemas heteronucleares." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/76/76131/tde-24062008-133522/.

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Uma análise dos processos colisionais homonucleares e heteronucleares, responsáveis por perdas em uma armadilha magneto-óptica, foi realizada neste trabalho. Resultados experimentais inéditos para as taxas de perdas, no sistema Rb-Cs, foram obtidos. Os dados experimentais em conjunto com os resultados do modelo sugerem que o processo de escape radiativo é dominante. O modelo utilizado é muito sensível à profundidade da armadilha, a qual depende de outros parâmetros (intensidade, dessintonia, gradiente de campo magnético, etc.). A colaboração com pesquisadores italianos possibilitou uma análise mais detalhada das taxas de perdas heteronucleares em outras regiões de intensidade. Estudamos a dependência das taxas heteronucleares com a razão das massas do par atômico, e uma razoável concordância foi observada. O estudo de processos colisionais em armadilhas magneto-ópticas é importante na obtenção do condensado de BoseEinstein com duas espécies atômicas distintas, e também em experiências de espectroscopia fotoassociativa.
In this work, we had investigated the heteronuclear trap loss rate in a two-species Rb-Cs magneto-optical trap. The experimental results suggest that radiative escape is the main collisional process responsible for heteronuclear losses. An addapted Gallagher - Pritchard model is compared with the data. The model is very sensitive to the trap depth, which depends on the trap parameters (intensity, detuning, magnetic - field gradient, etc.) This observation is also supported by experimental results from a Pisa\' group. We have compared experimental of heteronuclear rates as a function of the masses ratio of the atomic pair with the model, and a reasonable agreement is observed. These studies are relevant for high resolution atomic / molecular spectroscopy, and for the production of mixed - species Bose-Einstein condensates.
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Spielfiedel, Annie. "Analyse spectroscopique d'un complexe collisionnel et redistribution du rayonnement." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37618683p.

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Horton, Timothy Scott. "COLLISIONAL AND RADIATIVE RELAXATION IN SODIUM DIMER AND ARGON ATOM COLLISIONS." Miami University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=miami1480693544113525.

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Szebesta, Daryl. "Collisional and radiative effects in atomic spectra." Thesis, University of Newcastle Upon Tyne, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484204.

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McHugh, D. R. "Collisional and radiative studies in atomic spectra." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376224.

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Shannon, I. "Collisional and radiative effects in atomic spectra." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371770.

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Hedley, John. "Collisional and radiative processes in atomic spectra." Thesis, University of Newcastle Upon Tyne, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295500.

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Books on the topic "Collision radiative"

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Kühn, Johann H., ed. Radiative Corrections for e+e- Collisions. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74925-4.

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Ralchenko, Yuri, ed. Modern Methods in Collisional-Radiative Modeling of Plasmas. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27514-7.

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Collision-induced absorption in gases. Cambridge [England]: Cambridge University Press, 1993.

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Sobel'man, I. I. Radiative and collisional characteristics of ions in hot plasmas. Commack, N.Y: Nova Science, 1993.

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Kumakhov, M. A. Atomic collisions in crystals. New York: Gordon and Breach Science Publishers, 1989.

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Hobbs, Jacqueline Elizabeth. The use of radiation-enhanced diffusion to study collision cascades in solids. Salford: Universityof Salford, 1985.

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Stefanovich, Remizovich Valeriĭ, and Ri͡a︡zanov Mikhail Ivanovich, eds. Collisions of fast charged particles in solids. New York: Gordon and Breach, 1985.

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Beyer, H. F. X-ray radiation of highly charged ions. Berlin: Springer, 1997.

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Colloque Collisions et rayonnement (4th 1985 Orléans, France). Colloque Collisions et rayonnement: 18-20 septembre 1985, Orléans, France. Les Ulis, France: Editions du physique, 1986.

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Máximo, García-Sucre, Raseev Gheorghe, and Ross Stephen C, eds. Half collision resonance phenomena in molecules: Proceedings of the Escuela Latinoamericana de Física, Caracas, Venezuela, 1990. New York: American Institute of Physics, 1991.

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Book chapters on the topic "Collision radiative"

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Crothers, Derrick S. F. "Radiative Electron Capture." In Relativistic Heavy-Particle Collision Theory, 105–35. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4275-9_4.

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Julienne, Paul S. "Collision-Induced Radiative Transitions at Optical Frequencies." In Phenomena Induced by Intermolecular Interactions, 749–71. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2511-6_43.

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Hernández Torres, R., E. F. P. Luz, and H. F. Campos Velho. "Multi-Particle Collision Algorithm for Solving an Inverse Radiative Problem." In Integral Methods in Science and Engineering, 309–19. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16727-5_26.

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Kim, Sungsoo S., Hyung Mok Lee, and Myeong-Gu Park. "Stream-Stream Collision Hydrodynamics with Radiative Cooling Around A Massive Black Hole." In Numerical Astrophysics, 291–92. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4780-4_93.

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McParland, Brian J. "Collision Statistics." In Medical Radiation Dosimetry, 499–510. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5403-7_16.

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Scott, Howard A. "Collisional-Radiative Modeling for Radiation Hydrodynamics Codes." In Modern Methods in Collisional-Radiative Modeling of Plasmas, 81–104. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27514-7_4.

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McParland, Brian J. "Soft Collisions." In Medical Radiation Dosimetry, 287–369. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5403-7_8.

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McParland, Brian J. "Hard Collisions." In Medical Radiation Dosimetry, 371–79. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5403-7_9.

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Cerrito, Lucio. "Relativistic Kinematics and Collisions." In Radiation and Detectors, 53–72. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53181-6_4.

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McParland, Brian J. "Collision Energy Loss in Compound Media." In Medical Radiation Dosimetry, 483–92. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5403-7_14.

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Conference papers on the topic "Collision radiative"

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Okamoto, Atsushi. "Ion collision effect in collisional radiative processes in magnetized plasma." In PROCEEDINGS OF THE 14TH ASIA-PACIFIC PHYSICS CONFERENCE. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0037007.

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Park, Sehyun, J. Eden, and Andrey Mironov. "ENGINEERING RADIATIVE TRANSITIONS OF ALKALI-RARE GAS COLLISION PAIRS." In 2020 International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2020. http://dx.doi.org/10.15278/isms.2020.ff10.

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Sasaki, Ken, Norihisa Watanabe, Yoshimasa Kurihara, and Tsuneo Uematsu. "Higgs production in e and gamma collision." In 11th International Symposium on Radiative Corrections (Applications of Quantum Field Theory to Phenomenology). Trieste, Italy: Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.197.0050.

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Azinović, Davorka. "Resonance excitation of lithium and radiative collision in Li+Cd system." In The 15th international conference on spectral line shapes. AIP, 2001. http://dx.doi.org/10.1063/1.1370676.

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Pacheco da Luz, Eduardo F´vero, Jose Carlos Becceneri, and Haroldo Fraga de Campos Velho. "Multiple Particle Collision Algorithm Applied to Radiative Transference and Pollutant Localization Inverse Problems." In Distributed Processing, Workshops and Phd Forum (IPDPSW). IEEE, 2011. http://dx.doi.org/10.1109/ipdps.2011.171.

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Zoppi, M., G. A. Costanzo, M. Pizzocaro, D. Calonico, F. Levi, L. Lorini, E. K. Bertacco, and A. Godone. "Measurement of radiative decay and cold collision trap losses in laser-cooled Ytterbium." In 2011 Joint Conference of the IEEE International Frequency Control and the European Frequency and Time Forum (FCS). IEEE, 2011. http://dx.doi.org/10.1109/fcs.2011.5977771.

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Sousa, Priscila, Agnes DELMAS, and Maxime Roger. "NUMERICAL SIMULATION OF RADIATIVE TRANSFER IN HETEROGENEOUS MATERIALS WITH A NULL-COLLISION MONTE CARLO ALGORITHM." In 16th Brazilian Congress of Thermal Sciences and Engineering. ABCM, 2016. http://dx.doi.org/10.26678/abcm.encit2016.cit2016-0471.

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Galtier, Mathieu, Mouna El Hafi, Vincent Eymet, Richard Fournier, and Guillaume Terree. "NULL COLLISION MONTE CARLO ALGORITHMS: A MESHLESS TECHNIQUE TO DEAL WITH RADIATIVE PROBLEMS IN HETEROGENEOUS MEDIA." In RAD-13. Proceedings of the 7th International Symposium on Radiative Transfer, June 2-8, 2013, Kusadasi, Turkey. Connecticut: Begellhouse, 2013. http://dx.doi.org/10.1615/ichmt.2013.intsympradtransf.50.

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Roncin, P., M. N. Gaboriaud, Z. Szilagyi, and M. Barat. "Mechanisms for radiative decay of multiply excited states populated in collision of highly charged ions with rare gases." In The eighteenth international conference on the physics of electronic and atomic collisions. AIP, 1993. http://dx.doi.org/10.1063/1.45268.

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Reddy, Mannedhar, and Ashoke De. "Numerical Investigation of Soot Formation in Turbulent Diffusion Flames Using Moss-Brookes Model." In ASME 2014 Gas Turbine India Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gtindia2014-8233.

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Abstract:
In the present work, two different turbulent diffusion flames are investigated for soot predictions using the presumed shape multi-environment Eulerian PDF (EPDF) as turbulence-chemistry closure. In this approach, the chemical equation is represented by multiple reactive scalars and finite number of Delta functions are used to describe the shape of joint composition PDF, while the truncated series expansion in spherical harmonics (P1 approximation) is used to solve the radiative heat-transfer equation. The absorption coefficient is modeled using the weighted sum of gray gases model (WSGG) considering four fictitious gases. The soot volume fraction is predicted using acetylene based soot inception model (Moss-Brookes model). The model accounts for inception, surface growth and oxidation processes of soot. An equilibrium based approach is used to determine the OH radical concentration, required for soot oxidation. A single variable PDF in terms of temperature is used to include the turbulence-chemistry effects on soot. An effective absorption coefficient is calculated to include the influence of radiative heat transfer on soot. The combined tool is used to determine the soot formation in two hydrocarbon flames (Delft flame III, pilot stabilized natural gas flame and an unconfined C2H4/air jet flame). The soot formation rate decreases with the inclusion of radiation for both the flames and indicate the need for delineation of radiative heat transfer. The effects of soot-turbulence interaction are consistent with available literature. The effect of collision efficiency on oxidation rate can be clearly explicated from the predictions of C2H4/air flame.
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Reports on the topic "Collision radiative"

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Harris, S. E., and J. F. Young. Studies on Radiative Collisional and Ultraviolet Lasers. Fort Belvoir, VA: Defense Technical Information Center, November 1985. http://dx.doi.org/10.21236/ada166193.

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Rozsnyai, B. F. A collisional-radiative average atom model for hot plasmas. Office of Scientific and Technical Information (OSTI), October 1996. http://dx.doi.org/10.2172/489144.

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Amusia, M. Y. On the continuous spectrum electromagnetic radiation in electron-fullerene collision. Office of Scientific and Technical Information (OSTI), August 1995. http://dx.doi.org/10.2172/166485.

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Baur, U., S. Keller, D. Wackeroth, and W. Sakumoto. Electroweak radiative corrections to W and Z boson production in hadronic collisions. Office of Scientific and Technical Information (OSTI), August 1996. http://dx.doi.org/10.2172/405747.

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Rhodes, Charles, and Ting S. Luk. Studies of Collisional and Nonlinear Radiative Processes for Development of Coherent UV and XUV Sources. Fort Belvoir, VA: Defense Technical Information Center, June 1991. http://dx.doi.org/10.21236/ada253402.

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Stevens, Alan J. Estimation of the radiation environment near the interaction vertex from beam-beam collisions in RHIC. Office of Scientific and Technical Information (OSTI), October 1993. http://dx.doi.org/10.2172/1118845.

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Cullen-Vidal, David Edward. Color Coherent Radiation in Multi - Jet Events from $p\overline{p}$ Collisions at $\sqrt{s}$ = 1.8-TeV. Office of Scientific and Technical Information (OSTI), January 1997. http://dx.doi.org/10.2172/1421725.

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Askew, Andrew Warren. Measurement of the Wγ → μvγ Cross-Section, Limits on Anomalous Trilinear Vector Boson Couplings, and the Radiation Amplitude Zero in p$\bar{p}$ Collisions at √s = 1.96 TeV. Office of Scientific and Technical Information (OSTI), November 2004. http://dx.doi.org/10.2172/15011499.

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