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Дисертації з теми "Nuclear resonant scattering"

Автор: Grafiati
Опубліковано: 11 березня 2023
Оновлено: 25 липня 2025

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1

Masuda, Ryo. "Dependence of incoherent nuclear resonant scattering of synchrotron radiation on the number of resonant nuclei." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136766.

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2

Kurokuzu, Masayuki. "Studies on Iron Chalcogenide by Mossbauer Spectroscopy and Nuclear Resonant Inelastic Scattering." 京都大学 (Kyoto University), 2014. http://hdl.handle.net/2433/188478.

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3

Sergueev, Ilia. "Nuclear resonant scattering for the study of dynamics of viscous liquids and glasses." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=970780192.

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4

Saito, Makina. "Development of Time-Domain Interferometry Method Using Nuclear Resonant Scattering and Its Applications." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/157761.

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5

Walshe, Joseph Michael. "Resonant scattering studies of 24Mg and 28Mg and the search for nuclear water." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6514/.

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Анотація:
The neutron-rich nucleus 28Mg has been studied for the first time above the particle decay threshold using α-particle resonant scattering with a beam of radioactive 24Ne ions from the SPIRAL facility at GANIL. The thick target inverse kinematics technique was used to permit measurement of the differential cross section at 180◦ in the centre-of-mass frame, for the excitation energy region from 15 to 21 MeV, with a single beam energy. Since no previous experimental data exist with which to compare the current work, data were also taken for 24Mg using a 20Ne beam with the same experimental set-up
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6

Higashitaniguchi, Satoshi. "Studies on Lanthanum Iron Oxypnictide Superconductors byMossbauer Spectroccopy and Nuclear Resonant Inelastic Scattering." 京都大学 (Kyoto University), 2009. http://hdl.handle.net/2433/124417.

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7

Privalov, Timofei. "Electronic and nuclear dynamics of X-ray processes." Doctoral thesis, Stockholm : Tekniska högsk, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3189.

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8

Torresi, Domenico. "Excitation of unbound states in 12B via the 8Li-alpha resonant elastic scattering." Thesis, Universita' degli Studi di Catania, 2011. http://hdl.handle.net/10761/125.

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Анотація:
In the framework of the exotic clustering in light neutron rich nuclei, an experimental study for the search of 8Li-alpha cluster configurations on 12B was performed. The 8Li-4He elastic scattering excitation function was measured by using the thick target inverse kinematics scattering method implemented by time of flight measurements that allows the elastic channel from the inelastic one discrimination. The 8Li beam was provided by the LNS radioactive beam facility EXCYT at the energy of 30 MeV. The absolute cross-section was measured for CM energy between 13 MeV and 19.5 MeV. The pr
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9

Caporaletti, Federico. "Atomic dynamics in glass-forming liquids during the Johari-Goldstein relaxation." Doctoral thesis, Università degli studi di Trento, 2020. http://hdl.handle.net/11572/263839.

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Анотація:
When a liquid is cooled to produce a glass, its dynamics, dominated by the structural relaxation, slows down dramatically, becoming of ≈100 s at the glass-transition temperature, Tg. At a slightly higher temperature (≈1.2Tg), a second, faster process, known as Johari-Goldstein (βJG) decouples from the structural one and remains active even in the glassy-state. It is nowadays established that the βJG -process is deeply connected to the structural one, though its microscopic origin and its role in the glass transition are still under debate. In this Thesis the spatial and temporal properties o
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10

Scherthan, Lena [Verfasser]. "Exploring hyperfine interactions and molecular vibrations of Dy and Fe containing single-molecule magnets using synchrotron-based nuclear resonant scattering / Lena Scherthan." Düren : Shaker, 2020. http://d-nb.info/1215461739/34.

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11

Iwasaki, Masayuki. "Nonlocal potentials and nuclear resonance scattering /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu148726053195632.

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12

Tran, Vivian Y. "Computational treatments for neutron resonance elastic scattering in Monte Carlo nuclear simulations." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/106693.

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Анотація:
Thesis: S.B., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, 2016.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 58-60).<br>Simulations are vital to the safe design and operation of nuclear reactors. It is therefore important that they accurately treat the physics of nuclear interactions. This work investigates the phenomenon of neutron resonance sca
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13

Pellegri, L. "ON THE NATURE OF THE PYGMY DIPOLE RESONANCE IN 124SN VIA INELASTIC SCATTERING OF 17O." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/233240.

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Анотація:
Giant resonances are fundamental modes of excitations at high frequency, corresponding to shape oscillations around the equilibrium of the nuclear system. Their study over the years has provided useful information on nuclear structure and on the effective nucleon–nucleon interaction. In particular, the understanding of the electric-dipole response around the binding energy is presently attracting considerable interest, since the dipole strength distribution in that region affects the reaction rates in astrophysical scenarios. Moreover, it provides information on the neutron skin and thus on
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14

Weatherhead, Ian. "Investigation of siloxane-silica interactions by nuclear magnetic resonance and small-angle neutron scattering." Thesis, University of Bristol, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322612.

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15

Blomberg, Adam. "LOW MOMENTUM TRANSFER MEASUREMENTS OF PION ELECTROPRODUCTION AND VIRTUAL COMPTON SCATTERING AT THE DELTA RESONANCE." Diss., Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/406306.

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Анотація:
Physics<br>Ph.D.<br>Non-spherical components of the nucleon wave function are measured through p(e,e'p)π experiment at the Δ+(1232) resonance for Q2 = 0.04, 0.09, and 0.13 (GeV/c)2 utilizing the Jefferson National Accelerator Facility (JLab) pulsed beam and Hall A spectrometers. The new data extend the measurements of the Coulomb quadrupole amplitude to the lowest momentum transfer ever reached. The results disagree with predictions of constituent quark models and are in reasonable agreement with dynamical calculations that include pion cloud effects, chiral effective field theory and lattice
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16

Alexeev, Pavel [Verfasser], and Ralf [Akademischer Betreuer] Röhlsberger. "Nuclear Resonance Scattering Study of Iridates, Iridium and Antimony Based Pyrochlores / Pavel Alexeev ; Betreuer: Ralf Röhlsberger." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2017. http://d-nb.info/1130323307/34.

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17

Barnfather, Karl Jon. "A nuclear magnetic resonance and quasielastic neutron scattering study of hydrogen diffusion in metal-hydrogen systems." Thesis, University of Warwick, 1992. http://wrap.warwick.ac.uk/110787/.

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Анотація:
The result of work investigating hydrogen diffusion in a variety of Metal- Hydrogen systems using both the nmr and qns techniques is presented. Chapter 1 provides a description of the uses and general character of MeH systems and is intended as a pragmatic introduction. In addition, diffusion theory is discussed and again general theory relevant to later work is presented regarding the properties of hydrogen diffusion within metal lattices. Chapter 2 gives an exposition on both the fundamental theory of the techniques used and detailed theoretical results which describe the effect of hydrogen
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18

Swanson, Donald Raymond. "Properties of ³He films on Nuclepore and a path integral theory of atomic scattering at the surface of liquid ?He /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu148732358362224.

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19

TERREMOTO, LUIS A. A. "Experimento de coincidência sup(26)Mg(e,e'c)." reponame:Repositório Institucional do IPEN, 1993. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11627.

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Анотація:
Made available in DSpace on 2014-10-09T12:54:02Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:09:11Z (GMT). No. of bitstreams: 1 12441.pdf: 10808481 bytes, checksum: d5cd417d1d3b2db950bcbe8c2c2da156 (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Fisica, Universidade de Sao Paulo - IF/USP
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20

Girard-Alcindor, Valerian. "Above barrier narrow resonances in fluorine-15." Thesis, Normandie, 2020. http://www.theses.fr/2020NORMC209.

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Анотація:
L’étude des noyaux non liés permet de tester notre compréhension du noyau atom- ique dans des conditions extrêmes. Dans cette thèse nous avons analysé deux expériences distinctes réalisées au GANIL au cours desquels nous avons étudié le fluor 15 situé deux neutrons au delà de la drip-line proton. Une des particularités intéressante de ce noyau est la présence d’états de parité négative particulièrement étroits et situés au dessus des barrières Coulombiennes et centrifuges. Nous nous sommes intéressés dans ce travail à ces états, nous avons confirmé l’existence du second état excité 1/2- et avo
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21

Caves, Laurence Wilfred John. "An investigation of high Tc superconductivity in the doped YBa2Cu3O7 and Ln2CuO4 (Ln=La, Nd) systems by neutron scattering and nuclear magnetic resonance." Thesis, University of Warwick, 1992. http://wrap.warwick.ac.uk/110629/.

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Анотація:
Neutron scattering and nuclear magnetic resonance are excellent probes of the physical properties of the high Tc Superconductors. Both techniques have been used in this work. La2-xBaxCu04 [214] has a maximum Tc of ~30K and was one of the first of the high Tc materials to be identified. The structure of the un-doped parent compound has been known for some time so any structural changes as a result of Ba doping might also be associated with the onset of superconductivity. A high resolution neutron powder diffraction study is reported for a range of doping and temperatures (especially in the regi
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22

Silva, Raphaell Júnnio Moreira. "Caracterização estrutural de vidros fluorofosfatos utilizando metodologias de RMN." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-11082014-141413/.

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Анотація:
O presente trabalho aborda o estudo de correlações entre estrutura e propriedade de uma nova composição de vidros fluorofosfato. O trabalho compreende na síntese e caracterização de vidros fluorofosfatos com a seguinte composição: [80Ba(PO3)2 - 20Al(PO3)3]1-x[80BaF2 - 20AlF3]x(0 &le; x &le; 40 - mol%).Ressonância Magnética Nuclear e Espalhamento Raman são técnicas indicadas no estudo estrutural de materiais amorfos, como por exemplo, os vidros. Através dos resultados obtidos por difração de raios-X (DRX) e análise térmica diferencial (DTA) confirmam a formação de um sólido amorfo com concentra
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23

Nicolini, R. "PYGMY STRUCTURES IN 208PB AND 90ZR STUDIED WITH THE INELASTIC SCATTERING OF 17O AT 20 MEV/U." Doctoral thesis, Università degli Studi di Milano, 2012. http://hdl.handle.net/2434/173172.

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Анотація:
Over the last years, the evolution of nuclear structure as a function of the N/Z ratio has become a key question in nuclear physics. Special attention has been given to the vibrational modes of dipole nature: nuclei with a neutron excess show an increase of dipole strength close to the neutron separation energy, commonly associated to a new type of collective motion called the Pygmy Dipole Resonance (PDR). Besides being intrinsically interesting as new structure phenomena, the pygmy resonance is also expected to play an important role in nuclear astrophysics, for the effect it has on neutron
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24

Shrestha, Manoj. "Partial-wave Analysis of πN Scattering to ηN and KΛ Final States and Extraction of Resonance Parameters from Unitary, Multichannel Fits". Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1353095268.

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25

Métivet, Thibaut. "Lattice QCD at the physical point : pion-pion scattering and structure of the nucleon." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112243/document.

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Анотація:
La Chromodynamique Quantique (QCD) sur réseau permet d'étudier de façon ab-initio et non-perturbative les processus d'interaction forte. Ce formalisme, qui permet une régularisation covariante de la théorie de l'interaction forte, fournit aussi un cadre naturel pour le calcul et la simulation numérique de la Chromodynamique Quantique. Dans cette thèse, après un tour d'horizon des principales propriétés de la QCD et une présentation détaillée de notre discrétisation de cette théorie sur un réseau, nous étudions de façon approfondie deux problèmes de physique hadronique : le phénomène de diffusi
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26

Guo, Fanqing. "Nuclear reactions with 11C and 14O radioactive ion beams." Berkeley, Calif. : Oak Ridge, Tenn. : Lawrence Berkeley National Laboratory ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2004. http://www.osti.gov/servlets/purl/840236-JlqxbQ/native/.

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Анотація:
Thesis (Ph.D.); Submitted to the UNIVERSITY OF CALIFORNIA, BERKELEY, CA (US); 9 Dec 2004.<br>Published through the Information Bridge: DOE Scientific and Technical Information. "LBNL--56744" Guo, Fanqing. USDOE Director. Office of Science. Office of Nuclear Physics (US) 12/09/2004. Report is also available in paper and microfiche from NTIS.
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27

Lam, James. "Hydrogen diffusion in concentrated metal hydrides." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301906.

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28

Dienerowitz, Maria. "Plasmonic effects upon optical trapping of metal nanoparticles." Thesis, University of St Andrews, 2010. http://hdl.handle.net/10023/1634.

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Анотація:
Optical trapping of metal nanoparticles investigates phenomena at the interface of plasmonics and optical micromanipulation. This thesis combines ideas of optical properties of metals originating from solid state physics with force mechanism resulting from optical trapping. We explore the influence of the particle plasmon resonance of gold and silver nanospheres on their trapping properties. We aspire to predict the force mechanisms of resonant metal particles with sizes in the Mie regime, beyond the Rayleigh limit. Optical trapping of metal nanoparticles is still considered difficult, yet it
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29

López, Asamar Abraham. "Study of the conformational dynamics of prolyl oligopeptidase." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/301430.

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Анотація:
Prolyl oligopeptidase (POP) is an 81-KDa bidomain enzyme which hydrolyses short proline-containing peptides. This enzyme is involved in mnemonic and cognitive processes, and the dysregulation of POP activity is related to mental diseases. Probably, POP modulates the phosphoinositide signalling pathway through protein-protein interactions (PPI). Hence, the development of POP inhibitors is an area of great interest for the treatment of cognitive deficits associated with mental and neurodegenerative diseases. Recently, it has been found that the administration of POP inhibitors increases the clea
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30

Vivona, Sandro. "VAMP7: a model system to study the Longin Domain-SNARE motif." Doctoral thesis, Università degli studi di Padova, 2009. http://hdl.handle.net/11577/3421900.

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Анотація:
Eukaryotic cells rely on a complex system of membrane-enclosed compartments that are maintained by the trafficking of shuttling vesicles. The fusion of these vesicles with the target compartment relies on multiprotein complexes that have been conserved throughout eukaryotic evolution. SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) proteins are considered the engine of membrane fusion in all trafficking pathways of the cell. Upon specific protein-protein interactions, SNARE proteins that are localized in opposing membranes form a four helix bundle that releases fr
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31

Vandebrouck, Marine. "Première mesure des résonances géantes isoscalaires dans un noyau exotique riche en neutrons : le 68Ni avec la cible active Maya." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00872712.

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Анотація:
L'étude des résonances géantes monopolaires isoscalaires (ISGMR) et des résonances géantes quadrupolaires isoscalaires (ISGQR) dans les noyaux stables, a permis d'obtenir ces dernières décennies des informations fondamentales sur la structure et la matière nucléaire. En particulier, le centroïde de la ISGMR peut être relié au module d'incompressibilité de la matière nucléaire infinie. Des données dans les noyaux exotiques nous aideraient à contraindre ce module d'incompressibilité. Dans les noyaux instables, une seule mesure a, à l'heure actuelle, été réalisée (56Ni). Afin d'étudier l'évolutio
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32

Gupta, Kapil. "Dissection de TFIID, un facteur de transcription général humain : Études structurales etfonctionnelles des sous-ensembles du TFIID human." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAV051/document.

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Анотація:
Les génomes eucaryotes sont très complexes et peuvent être très grands. Par exemple, le génome humain contient environ de 20 000 à 25 000 gènes codant pour des protéines. L'expression de ces gènes doit être strictement régulée à de nombreux niveaux (tels que l'organisation de la chromatine, la transcription des gènes, le traitement et l'exportation de l'ARN messager ainsi que la traduction) pour le bon fonctionnement de la machinerie cellulaire. De nombreuses protéines et complexes protéiques sont impliqués dans ces processus essentiels de régulation, tels que les remodeleurs de la chromatine,
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33

Nguyen, Thi Minh-Ha. "Molecular recognition of ubiquitin and Lysine 63 linked diubiquitin by STAM2 : the effect of the linkers length and flexibility." Thesis, Lyon, 2019. https://n2t.net/ark:/47881/m6668chz.

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Анотація:
Les interactions protéine-proteine sont considérées comme un domaine de recherche important puisqu’elles contrôlent la plupart des processus cellulaires. Chez les cellules eucaryotes, les protéines multi-domaines (MDP), constituées d’au moins deux domaines, représentent plus de 70 % des protéines. Au sein d’une MDP, ces domaines peuvent être identiques ou différents et sont reliés par un segment intrinsèquement désordonné de longueur et de flexibilité variable. Ces protéines peuvent alors adopter de multiples conformations dans l’espace et interagir de manière spécifique avec leurs partenaires
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34

Arialdi, Gianluigi. "Contribution de la simulation sur ordinateur à l'interprétation d'expériences spectroscopiques sondant la dynamique locale de fondus de polymères." Doctoral thesis, Universite Libre de Bruxelles, 2003. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211289.

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<p align="justify">Une contribution à l'étude de la dynamique des polymères non enchevêtrés à l'état fondu est apportée, en se focalisant sur les aspects de dynamique locale d'un polymère particulier déjà fort étudié expérimentalement et par simulation, à savoir le polyéthylène.</p> <p><p align="justify">Néanmoins, plusieurs nouveaux résultats spécifiques à cette macromolécule linéaire ou ayant une portée sur les fondus de polymères en général sont obtenus grâce à une approche présentant plusieurs aspects originaux.</p><p><p align="justify">Notre étude par simulation de la phase liquide du pol
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35

Loppinet, Benoit. "Etude de la structure de solutions d'ionomères en solvants polaires par diffusion aux petits angles." Université Joseph Fourier (Grenoble), 1994. http://www.theses.fr/1994GRE10208.

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Анотація:
Ce travail presente l'etude, principalement par diffusion aux petits angles (dpa) de neutrons et de rayons-x, de solutions d'ionomeres. Les differentes analyses de l'intensite dpa (variation de contraste, analyse du comportement asymptotique, positions du pic d'interferences), appliquees aux solutions d'ionomeres perfluores (ipf), menent a la conclusion de la presence de particules colloidales de symetrie cylindrique. Cette geometrie est obtenue pour des solutions de trois ipf dans des solvants varies couvrant une gamme importante de constante dielectrique. La valeur du rayon depend de l'ipf e
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36

Bouzar, Khalida. "Approche thermodynamique de l'organisation moléculaire de la phase liquide du toluène sous pression : détermination des expansivités et compressibilités sivities." Paris 6, 1986. http://www.theses.fr/1986PA066312.

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Анотація:
Mesures, par la méthode piezothermique, du coefficient de dilatation thermique et du coefficient de compressibilité isotherme, dans l'intervalle 200-450 k, sous des pressions atteignant 4000 bars; ajustement des résultats, établissement d'une équation phénoménologique du coefficient de dilatation comme fonction de la pression et de la température, permettant la détermination des propriétés thermodynamiques. Discussion de l'organisation moléculaire à la lumière des résultats obtenus et de données spectroscopiques (RMN, diffusion de la lumière).
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37

Tracy, Sally June. "Polaron Hopping in Olivine Phosphates Studied by Nuclear Resonant Scattering." Thesis, 2016. https://thesis.library.caltech.edu/9203/1/SallyJuneTracy_Final2.pdf.

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<p>Valence fluctuations of Fe<sup>2+</sup> and Fe<sup>3+</sup> were studied in a solid solution of Li<sub>x</sub>FePO<sub>4</sub> by nuclear resonant forward scattering of synchrotron x rays while the sample was heated in a diamond-anvil pressure cell. The spectra acquired at different temperatures and pressures were analyzed for the frequencies of valence changes using the Blume-Tjon model of a system with a fluctuating Hamil- tonian. These frequencies were analyzed to obtain activation energies and an activation volume for polaron hopping. There was a large suppression of hopping frequency w
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38

Zhang, Dongzhou. "Applications of Nuclear Resonant Scattering to Further Our Understanding of Earth’s Interior." Thesis, 2015. https://thesis.library.caltech.edu/8747/16/ZhangDongzhou2014Thesis_Oct2016.pdf.

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<p>The elastic and the thermodynamic properties of minerals under extreme P-T conditions are of general importance to the geodynamic modeling and the interpretation of seismic-wave observations. An accurate laboratory determination of these properties provides constraints to determine the composition and temperature of Earth's interior. In this thesis, I focus on the application of nuclear resonant scattering, an advanced synchrotron based spectroscopic technique, to further our understanding of candidate materials in Earth's interior. Specific examples include enstatite, which is an abundant
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39

Sergueev, Ilia [Verfasser]. "Nuclear resonant scattering for the study of dynamics of viscous liquids and glasses / Ilia Sergueev." 2004. http://d-nb.info/970780192/34.

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40

Lübbers, Rainer [Verfasser]. "Magnetism and lattice dynamics under high pressure studied by nuclear resonant scattering of synchrotron radiation / von Rainer Lübbers." 2000. http://d-nb.info/961623144/34.

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41

Henshaw, Seth. "An Investigation of the Isovector Giant Quadrupole Resonance in 209Bi using Polarized Compton Scattering." Diss., 2010. http://hdl.handle.net/10161/3076.

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<p>&#65279;<p></p><p>Giant multipole resonances are a fundamental property of nuclei and</p><p>arise from the collective motion of the nucleons inside</p><p>the nucleus. Careful studies of these resonances and their properties provides</p><p>insight into the nature of nuclear matter and constraints</p><p>which can be used to test our theories. </p><p></p></p><p><p></p><p>An investigation of the Isovector Giant Quadrupole Resonance (IVGQR)</p><p>in <sup>209</sup>Bi has been preformed using the High Intensity &gamma;-ray</p><p>Source (HI&gamma;S) facility. Intense nearly monochromatic</p><p>pol
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42

"Coherent photon scattering on nuclei in the Δ(1232) resonance region." Thesis, 1993. http://hdl.handle.net/10388/etd-07262012-100113.

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Angular distributions for photon scattering from 12C have been measured at the Saskatchewan Accelerator Laboratory (SAL) high duty factor bremsstrahlung facility. Data were taken at 160, 200, 250 and 290 MeV endpoint energies and at angles ranging from 20 degrees to 150 degrees with the 53 cm diameter x 56 cm long Boston University Sodium Iodide (BUNI) detector. Coherently scattered photons were easily distinguished from neutral pion decay photons in detected energy spectra. The excellent resolution of the detector and the high duty cycle at SAL have made it possible to obtain new data on the
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43

Geser, Federico Alejandro. "Caracterización dosimétrica y monitoreo in situ para hadronterapia." Doctoral thesis, 2019. http://hdl.handle.net/11086/14465.

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Tesis (Dr. en Física)--Universidad Nacional de Córdoba, Facultad de Matemática, Astronomía, Física y Computación, 2019.<br>Actualmente, se cuenta con modernas técnicas para el tratamiento del cáncer incluidas dentro del marco de la radioterapia, conocidas como radioterapias no-convencionales. Estas técnicas fueron investigadas bajo el mismo precepto que todas las terapias de cáncer que utilizan radiaciones ionizantes: realizar la conformación de la dosis en el interior del paciente de la forma más precisa posible, sin dañar tejidos sanos o radio-sensibles. Entre estas técnicas no-convencio
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44

Usman, Iyabo Tinuola. "Fragmentation of the isoscalar giant quadrupole resonance in low mass 12 -< A -> 40 nuclei and 2+ level density in 40Ca from high energy-resolution (p,p') scattering at 200 MeV." Thesis, 2010. http://hdl.handle.net/10539/7686.

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The Isoscalar Giant Quadrupole Resonance (ISGQR) in low-mass nuclei has been investigated in high energy-resolution experiments using proton inelastic scattering at Ep equals to 200 MeV. The measurements extend and complete the investigation already undertaken for medium and heavy-mass nuclei using the K600 magnetic spectrometer and a proton beam from the K200 Separated Sector Cyclotron (SSC) facility of iThemba LABS, South Africa.
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45

Matiwane, Aphiwe. "Neutron tunneling in nanostructured systems: isotopical effect." Diss., 2018. http://hdl.handle.net/10500/25095.

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Tunneling phenomenon has been studied since the time of Sir Isaac Newton. In the case of neutron tunneling phenomenon, it is the quantum mechanics wave-particle duality which manifests itself. In this case, particularly, the neutron wave-packet under total reflection condition suffers the so-called frustrated total reflection as known in standard optics. More accurately, this tunneling phenomenon shows itself via sharp dips in the plateau of total reflection. The prerequisite to observe such quantum mechanics phenomenon lies within a thin film Fabry-Perot resonator configuration. This thin fil
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