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Dissertations / Theses on the topic 'Photonuclear reactions'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Akkurt, Iskender. "The study of (#gamma#,#eta#) reactions in light nuclei at intermediate photon energy." Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244441.

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2

Janek, Strååt Sara. "Verification of high energy photon therapy based on PET/CT imaging of photonuclear reactions." Doctoral thesis, Stockholms universitet, Fysikum, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-72385.

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For classical and intensity modulated radiation therapy of deep-seated tumors, high-energy photons are the optimal radiation modality from an integral dose point of view. By using narrow scanned beams the treatment outcome can be improved substantially by delivering biologically optimized intensity modulated distributions often with sharp dose gradients. This requires using photons with energies well above 15 MV enabling verification of the treatment delivery in vivo by PET/CT imaging in a manner not previously possible. This new technique is based on the production of positron emitting radion

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3

Jenkins, Stewart David. "Theory of light -atomic ensemble interactions entanglement, storage, and retrieval /." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-09252006-175848/.

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Thesis (Ph. D.)--Physics, Georgia Institute of Technology, 2007.<br>Kennedy, T. A. Brian, Committee Chair ; Kuzmich, Alex, Committee Member ; Chapman, Michael S., Committee Member ; Raman, Chandra, Committee Member ; Morley, Thomas D., Committee Member.

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4

VIEIRA, de MORAES MARCO A. P. "Reacoes fotonucleares induzidas por radiacao gama de captura de neutrons, nos nucleos de U-233 e Pu-239, junto ao limiar." reponame:Repositório Institucional do IPEN, 1990. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10226.

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5

Melville, Graeme P. "Production of AC-225 for cancer therapy by photon induced transmutation of RA-226." Thesis, View thesis, 2007. http://handle.uws.edu.au:8081/1959.7/18860.

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Radium needles that were once implanted into tumours as a cancer treatment are now obsolete and constitute a radioactive waste problem, as their half-life is 1600 years. The reduction of radium by photonuclear transmutation by bombarding Ra-226 with high-energy photons from a medical linac has been investigated. The irradiated needles would then be processed to remove the Ac-225, which can then be used for .Targeted Alpha Therapy. (TAT) of cancer. This project has the potential to slowly reduce obsolete radioactive material, and displace future expensive importation of Ac-225 from Russia, Germ

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6

Jones, Richard Thurston. "An absolute measurement of the photodisintegration of Helium-4." Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/53539.

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A measurement of the differential cross section has been performed for the photodisintegration of ⁴He into a proton plus a triton. This reaction is highly sensitive to the electromagnetic currents in the nucleus which arise from the exchange of mesons between nucleons. The study of light nuclei such as ⁴He, whose nucleonic structure is the simplest, holds the promise of perfecting a microscopic theory of nuclear dynamics, in which nuclear structure and reactions are understood in terms of fundamental particle interactions. The measurement was performed with a tagged-photon beam, using a large

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7

Sun, Bo. "Theoretical studies of atom-atom, atom-photon and photon-photon entanglement." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-10272006-091504/.

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Thesis (Ph. D.)--Physics, Georgia Institute of Technology, 2007.<br>You Li, Committee Chair ; Citrin David, Committee Member ; Kuzmich Alex, Committee Member ; Fox Ronald, Committee Member ; Chapman Michael, Committee Member.

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8

SEMMLER, RENATO. "Medidas das secções de choque de fotonêutrons do sup(9)Be, sup(13)Ce sup(17)O com radiação gama de captura de neutrons térmicos." reponame:Repositório Institucional do IPEN, 2006. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11421.

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9

Thiel, Michaela [Verfasser]. "In-medium properties of the omega-meson studied in photonuclear reactions near the production threshold / Michaela Thiel." Gießen : Universitätsbibliothek, 2011. http://d-nb.info/1061195376/34.

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10

Melville, Graeme P. "Production of AC-225 for cancer therapy by photon induced transmutation of RA-226." View thesis, 2007. http://handle.uws.edu.au:8081/1959.7/18860.

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Thesis (Ph.D) -- University of Western Sydney, 2007.<br>A thesis submitted to the University of Western Sydney, College of Health and Science, School of Engineering, in satisfaction of the requirements for the degree of Doctor of Philosophy. Includes bibliography.

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11

Granados, Carlos G. "QCD Structure of Nuclear Interactions." FIU Digital Commons, 2011. http://digitalcommons.fiu.edu/etd/447.

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The research presented in this dissertation investigated selected processes that involve baryons and nuclei in hard scattering reactions. These processes are characterized by the production of particles with large energies and transverse momenta. Through these processes, this work explored both, the constituent (quark) structure of baryons (specifically nucleons and ∆-Isobars), and the mechanisms through which the interactions between these constituents ultimately control the selected reactions. The first of such reactions is the hard nucleon-nucleon elastic scattering, which was studied here

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12

SEMMLER, RENATO. "Montagem e calibracao de um novo arranjo experimental para a producao e utilizacao de radiacao gama de captura." reponame:Repositório Institucional do IPEN, 1993. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10315.

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13

Powrie, Calum John Young. "A study of the '1'2C(#gamma#,pp) reaction." Thesis, University of Glasgow, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301509.

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14

Garrow, Kenneth Roy. "Photonuclear reaction mechanisms at intermediate energies." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0013/NQ27408.pdf.

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15

TERREMOTO, LUIS A. A. "Eletrodesintegração do sup(232)Th por emissão de um nêutron." reponame:Repositório Institucional do IPEN, 1986. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11629.

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Made available in DSpace on 2014-10-09T12:54:05Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:09:02Z (GMT). No. of bitstreams: 1 12444.pdf: 2861377 bytes, checksum: f197a83330e61c5fa6654676c3363a7f (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Fisica, Universidade de Sao Paulo - IF/USP

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16

Itokazu, Melina Kayoko. "Reações fotoinduzidas em alguns complexos de rênio e desenvolvimento de dispositivos moleculares." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/46/46134/tde-28062016-112017/.

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Neste trabalho foi realizado o estudo do comportamento fotoquímico e fotofísico de complexos mononucleares de rênio do tipo fac-[Re(CO)3(N N)(L)]+(N N = 1,10-fenantrolina, phen, dipirido[3,2-a:2,3-c]fenazina, dppz, L= trans-1,2bis(4-piridil)etileno, trans-bpe, trans-4-estirilpiridina. trans-stpy) e dos complexos binucleares [(CO)3(phen)Re(trans-bpe)Re(phen)(CO)3]2+, [(CO)3(phen)Re(trans-bpe)Fe(CN5]2- e [(phen)(CO)3Re(trans-bpe)Os(terpy)(bpy)]3+. O enfoque principal deste trabalho é a investigação das propriedades fotoquímicas dos complexos fac-[ Re(CO)3(phen)(trans-bpe)]+, fac-[Re(CO)3(phen)(t

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17

Springham, Stuart Victor. "The ¹²C(γ,ρ)¹¹B reaction at photon energies between 49 and 78 MeV". Thesis, University of Edinburgh, 1988. http://hdl.handle.net/1842/14469.

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18

Russew, Thomas. "Etude et simulation d'un détecteur pour l'expérience GRAAL à l'ESRF : application à la photoproduction d'étrangeté." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10182.

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Grace a son faisceau de photons de haute energie, l'experience graal va pouvoir mesurer pour la premiere fois des observables de simple et double polarisation liees a la polarisation du faisceau pour des reactions de photoproduction d'etrangete. Apres un expose des modeles phenomenologiques decrivant le mecanisme de telles reactions et de la definition des observables de polarisation, cette these presente en detail le faisceau de gammas produit par retrodiffusion compton et le detecteur de particules de l'experience graal. La simulation monte carlo permet d'etudier la reponse detaillee du dete

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19

Rodrigues, Tulio Eduardo. "O modelo de cascata intranuclear MCMC e aplicações para o mecanismo do quase-dêuteron e a fotoprodução de pions em energias intermediárias e altas." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-27042009-114231/.

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O Presente trabalho propôs o estudo de reações fotonucleares e fotoprodução de pions em energias intermediárias e altas usando o modelo de cascata intranuclear MCMC para a fase rápida de reação e outro algoritmo de Monte Carlo para descrever o processo de decaimento do núcleo composto via evaporação de partículas e fissão nuclear. Dentre as principais inovações implementadas no MCMC, podemos citar: i) a inclusão detalhada do canal do quase-dêuteron no intervalo 20 < Eg < 140 MeV; ii) o desenvolvimento inédito e rigoroso de um mecanismo de bloqueio de Pauli não-estocástico, avaliando as excitaç

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20

Wilmsen, Dennis. "Nuclear structure studies with neutron-induced reactions : fission fragments in the N=50-60 region, a fission tagger for FIPPS, and production of the isomer Pt-195m." Thesis, Normandie, 2017. http://www.theses.fr/2017NORMC269/document.

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Ce travail s'inscrit dans le cadre d'études de structures nucléaires réalisées en utilisant des réactions de fission induites par neutrons froids. Il décrit successivement les résultats d'une étude sur des noyaux ayant un nombre de neutrons N=50-60, sur le développement d'un marqueur d'événements de fission et enfin sur la production de l'isomère Pt-195m. Chacun des différents sous-thèmes trouve son origine dans la campagne EXILL qui s'est déroulée en 2012-2013 et durant laquelle un spectromètre de grande efficacité pour la détection des rayonnements γ (EXOGAM) a été utilisé auprès du réacteur

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21

Жаба, В. І. "Методи розрахунку перерізів фотоядерних реакцій". Thesis, Сумський державний університет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/39548.

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Переріз реакції може бути знайдений з експериментальних даних про вихід у результаті рішення оберненої задачі (розв’язок інтегральних рівнянь Фредгольма першого роду). Для чисельного розв’язку даної задачі були розроблені декілька математичних методів.

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22

"Spontaneous atomic transitions in dielectric microcavities." 2006. http://library.cuhk.edu.hk/record=b5893047.

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Lau Pak Hong = 在介電質微空腔中的自發原子躍遷 / 劉柏康.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2006.<br>Includes bibliographical references (leaves 145-149).<br>Text in English; abstracts in English and Chinese.<br>Lau Pak Hong = Zai jie dian zhi wei kong qiang zhong de zi fa yuan zi yao qian / Liu Bokang.<br>Chapter 1 --- Introduction --- p.1<br>Chapter 1.1 --- Background --- p.1<br>Chapter 1.2 --- Convention --- p.5<br>Chapter 2 --- The Hamiltonian of the System --- p.7<br>Chapter 2.1 --- Quantization of Electromagnetic Field in the Presence of Dielectric Media --- p.7<br>Chapter 2.1.1 ---

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23

"study of collective photon-atom interactions in cavity QED models." 2007. http://library.cuhk.edu.hk/record=b5896753.

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Lee, Kwun Yan = 腔量子電動力學模型中光子-原子集體相互作用 / 李冠昕.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2007.<br>Includes bibliographical references (leaves 81-86).<br>Text in English; abstracts in English and Chinese.<br>Lee, Kwun Yan = Qiang liang zi dian dong li xue mo xing zhong guang zi-yuan zi ji ti xiang hu zuo yong / Li Guanxin.<br>Chapter 1 --- Introduction --- p.1<br>Chapter 2 --- Basic description of cavity QED systems --- p.4<br>Chapter 2.1 --- Mode functions --- p.4<br>Chapter 2.2 --- Quantization of electromagnetic fields --- p.7<br>Chapter 2.2.1 --- Generalized modes of photons -

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24

"Theory and applications of photon-atom interactions in quantum information: 光子與原子相互作用理論及其在量子訊息論中的應用". 2003. http://library.cuhk.edu.hk/record=b6073609.

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Chan Tian Wen.<br>"July 2003."<br>Thesis (Ph.D.)--Chinese University of Hong Kong, 2003.<br>Includes bibliographical references (p. 174-181).<br>Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Electronic reproduction. Ann Arbor, MI : ProQuest Information and Learning Company, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Mode of access: World Wide Web.<br>Abstracts in English and Chinese.<br>Chan Tian Wen.

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25

Melville, Graeme P., University of Western Sydney, College of Health and Science, and School of Engineering. "Production of AC-225 for cancer therapy by photon induced transmutation of RA-226." 2007. http://handle.uws.edu.au:8081/1959.7/18860.

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Radium needles that were once implanted into tumours as a cancer treatment are now obsolete and constitute a radioactive waste problem, as their half-life is 1600 years. The reduction of radium by photonuclear transmutation by bombarding Ra-226 with high-energy photons from a medical linac has been investigated. The irradiated needles would then be processed to remove the Ac-225, which can then be used for .Targeted Alpha Therapy. (TAT) of cancer. This project has the potential to slowly reduce obsolete radioactive material, and displace future expensive importation of Ac-225 from Russia, Germ

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26

"Photon-atom interactions in a one-dimensional waveguide." 2009. http://library.cuhk.edu.hk/record=b5896583.

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Tsoi, Tze Shun = 光子和原子在一維波導中的相互作用 / 蔡子淳.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2009.<br>Includes bibliographical references (leaves 94-97).<br>Abstract also in Chinese.<br>Tsoi, Tze Shun = Guang zi he yuan zi zai yi wei bo dao zhong de xiang hu zuo yong / Cai Zichun.<br>Chapter 1 --- Introduction --- p.1<br>Chapter 2 --- Basic description of QED in a one-dimensional waveguide --- p.4<br>Chapter 2.1 --- EM fields in a waveguide: from classical to quantum --- p.4<br>Chapter 2.1.1 --- Classical EM fields in a conducting waveguide --- p.5<br>Chapter 2.1.2 --- Quantization of th

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27

"Entanglement of photons and atoms in leaky cavities and its application to quantum computing." Thesis, 2008. http://library.cuhk.edu.hk/record=b6074534.

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Adopting the continuous frequency mode approach and the resolvent method, we study the interaction between atoms and photons in leaky optical cavities. In particular, we highlight the physical significance of quantum states of photons in such processes. Single-photon processes and two-photon processes are intensively investigated. With single-photon scattering, various schemes for generating entangled pairs and constructing quantum gates are developed using two-level atoms or Λ-type atoms. The fidelities of these schemes tend to unity for injected photons with specific spectra. We exami

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28

Lazoflores, Jose A. Hagopian V. Hagopian Sharon. "Search for large extra dimensions in the exclusive photon + missing energy channel in PP collisions." 2006. http://etd.lib.fsu.edu/theses/available/05082006-154106.

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Thesis (Ph. D.)--Florida State University, 2006.<br>Advisors: Vasken Hagopian, Sharon Hagopian, Florida State University, College of Arts and Sciences, Dept. of Physics. Title and description from dissertation home page (viewed Sept. 15, 2005). Document formatted into pages; contains xiv, 155 pages. Includes bibliographical references.

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29

"Atom-photon interactions without rotating-wave approximation and standing wave coupled electromagnetically induced transparency system." 2012. http://library.cuhk.edu.hk/record=b5549416.

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本論文包含兩個主題。第一部分研究無旋轉波近似下幾種原子與光的相互作用。第二部分研究駐波場耦合的電磁自感透明系統的反射和透射。它們的簡介如下。<br>第一部分。旋轉波近似即忽略掉原子與光相互作用哈密頓量中的反旋轉波項。它的有效性來自於能量守恆定律。但是在時間尺度非常小的情況下，根據海森堡不確定性原理，能量的不確定性可以很大，所以旋轉波近似不能應用于短時間行為的研究，比如量子芝諾和反芝諾效應，蘭姆位移，非共振極化以及超輻射和亞輻射中的能移。為超越旋轉波近似，我們對哈密頓量採用了么正變換。在變換之後的基矢之間，只有由帶修正係數的旋轉波項造成的躍遷。<br>我們從原子和真空的相互作用開始。對於氫原子來說，自由真空中沒有量子反芝諾效應，但是如果對真空態密度用腔或特異性材料做一些調製，量子反芝諾效應就會出現，蘭姆位移也會改變。我們接著研究原子和非真空光場的相互作用。我們計算了滿足光學定理的兩能級原子極化率。然後我們把么正變換用到了兩個全同原子和真空的相互作用，並計算了超輻射和亞輻射的輻射譜以及量子芝諾和反芝諾效應。<br>第二部分。在電磁自感透明系統裏，如果耦合光場為駐波，介質的極化率就會受到週期性調製而形成一維光子晶體。和傳統的傳輸矩陣不同的是，我們採用了麥克斯韋-劉維爾耦合波方程來處理這個系統並得到了光子晶體能帶的一個新的評判標準。起關鍵作用的物理量為非線性耦合係數除以波矢錯差和線性極化率

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Bofinger, David. "Pion-nucleon scattering and deuteron photodisintegration at intermediate energies." Phd thesis, 1994. http://hdl.handle.net/1885/143770.

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31

Berryhill, Jeffrey W. "A search for new physics in photon-lepton events in proton-antiproton collisions at [square root] S = 1.8 TeV /." 2000. http://wwwlib.umi.com/dissertations/fullcit/9990527.

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