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Dissertations / Theses on the topic 'Nuclear structure physics'

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1

Seely, Jason (Charles Jason). "Precise measurement of the nuclear dependence of structure functions in light nuclei." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/39559.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2006.<br>Includes bibliographical references (leaves 171-174).<br>The EMC effect has been with us for over 20 years. During this time, the nuclear dependence of the structure functions, and therefore the underlying quark distributions, has been studied with much success. However, the bulk of the experimental effort has been to measure the effect in heavy nuclei where it has the same zBj dependence and differs only in magnitude. Calculations predict large differences in both the magnitude and zBj-dependence of the EMC eff
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2

Bissey, François René Pierre. "Structure functions in the three nucleon system /." Title page, contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phb6228.pdf.

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3

James, Jessica. "Nuclear structure effects in atomic parity non-conservation." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259953.

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4

Abidin, Zainul. "Hadron structure from holographic QCD." W&M ScholarWorks, 2010. https://scholarworks.wm.edu/etd/1539623570.

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The AdS/CFT correspondence relates a strongly coupled gauge theory in four dimensional space-time with a weakly coupled gravity theory in five dimensional space-time. This correspondence provides a way to access the strongly coupled regime of a gauge theory via a perturbative approach in its gravity dual theory. In this dissertation, the gravity dual of Quantum Chromodynamics (QCD) is discussed. The so-called bottom-up approach (AdS/QCD) successfully reproduces the low energy observables at 10-20% accuracy.;An AdS/QCD model with two flavors of quarks is considered, assuming isospin symmetry. P
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5

Hopkins, P. J. B. "Nuclear cluster structure and electron scattering." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376916.

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6

Papanicolopoulos, Chrysanthos Dionisios. "Shape coexistence in odd-mass nuclei near Z = 82 closed shell : a study of the excited states of [superscript]185Au in the [beta]/Ec decay of [superscript]185Hg." Diss., Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/30333.

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7

Mohammed, Mustafa Mohammed. "Nuclear structure studies of 159Er up to high spin." Thesis, University of Liverpool, 2012. http://livrepository.liverpool.ac.uk/6815/.

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In the current work a detailed spectroscopic investigations of the gamma-decays from the excited states of the rare-earth nucleus 159Er has been performed to study the structural properties up to possible ultrahigh spins. The nucleus of 159Er had been populated by the reaction 116Cd(48Ca,5n ) at beam energy of 215-MeV in an experiment at Argonne National Laboratory using the Gammashphere array. Following a hypercube analysis of the collected data, new rotational bands were observed and the previously reported bands were extended up to possible spin through observation of new gamma-ray transiti
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8

Bednar, Kyle D. "The Partonic Structure of the Nucleon, Pion, and Kaon." Kent State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=kent1574292072566539.

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9

Oginni, Babatunde M. "Study Of Nuclear Level Densities From Evaporation Of Compound Nuclei Of Mass Numbers 61, 64, 65, And 82." Ohio University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1241791753.

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10

Hadinia, Baharak. "In-beam Study of Extremely Neutron deficient Nuclei Using the Recoil-Decay Tagging Technique." Doctoral thesis, KTH, Kärnfysik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4596.

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The low-lying structures of the extremely neutron-deficient nuclei 106Te, 107Te, 110Xe, 170Ir and 172Au have been investigated experimentally. Prompt gamma rays emitted in fusion-evaporation reactions were detected by the Jurogam HPGe array. The gamma rays were assigned to specific reaction channels using the recoil-decay tagging technique provided by the gas-filled separator RITU and the GREAT focal-plane spectrometer. The experimental set-up and the technique used to extract the information from the experimental data are described in detail. Results were interpreted in terms of the nuclear s
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11

BARFIELD, ARIEL FOOTE. "CONFIGURATION MIXING AND OCTUPOLE STUDIES OF NUCLEI WITHIN THE INTERACTING BOSON MODEL." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/188141.

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The Interacting Boson Model (IBM) has been very successful in describing the collective properties of nuclei. This work concerns two systematic applications of the model, one involving configuration mixing, and the other involving octupole bands. The even isotopes of mercury are of special interest because of the coexistence of two sets of bands, of very different character, in the lighter nuclei. The neutron-proton IBM (IBM-2) with configuration mixing provides a good description, both of states built on the normal ground state and of those associated with a proton pair excitation across the
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12

Ikin, Peter Jonathon Christopher. "Data analysis techniques for triggerless data streams in nuclear structure physics." Thesis, University of Liverpool, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427039.

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13

Harding, Peter Alan. "On-line studies of nuclear structure and relaxation mechanisms." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358608.

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14

Keeling, P. R. "Spin and structure of '1'2C-'1'2C resonances." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379972.

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15

Maragni, Elisabeth de Castro Caparelli. "A Dependência do Calibre nos Cálculos Modelo do Fator de Forma Transverso Elétrico em Núcleos Complexos." Universidade de São Paulo, 1996. http://www.teses.usp.br/teses/disponiveis/43/43131/tde-26022014-151850/.

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Neste trabalho estudamos a dependência do calibre nos cálculos modelo do fator de forma transverso elétrico para núcleos complexos. Foram consideradas as diferentes prescrições que procuram levar parcialmente em consideração os efeitos da corrente de dois corpos, no cálculo do fator de forma transverso elétrico, através dos vínculos impostos pela equação da continuidade. Quando os estados nucleares satisfazem a equação de Schrödinger e a corrente a equação da continuidade as prescrições coincidem. Entretanto, em geral, essas condições não são satisfeitas, surgindo assim as diferenças entre ela
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16

Dimarco, Alejandro Javier. "O Papel da Estrutura Nuclear nas Taxas de Decaimento Beta e Captura de Elétrons na Pré-Supernova." Universidade de São Paulo, 1998. http://www.teses.usp.br/teses/disponiveis/43/43131/tde-27022014-150737/.

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Neste trabalho calculamos taxas de captura de elétrons e decaimento beta no estágio de pré-supernova, para espécies nucleares da camada fp que são fundamentais nessa etapa da evolução estelar. Enfatizamos as transições entre estados de baixa energia. No cálculo dos elementos de matriz nucleares foram utilizados modelos microscópicos. Dados experimentais e densidades de níveis foram empregados na construção da função de partição nuclear. Foi avaliado o impacto de nossos cálculos nas abundâncias isotópicas e na derivada temporal da fração de elétrons, comparando o nossos resultados com cálculos
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17

Ukita, Gilberto Mitsuo. "Espalhamento inelástico de deuterons nos isótopos de ANTPOT.94,98 Mo." Universidade de São Paulo, 1998. http://www.teses.usp.br/teses/disponiveis/43/43131/tde-28022014-115433/.

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eng Distribuições angulares, referentes ao espalhamento inelástico de dêuterons nos isótopos de ANTPOT 94,98 Mo e à excitação dos primeiros estados coletivos 2 POT.+ E 3 POT.-, foram obtidas com dêuterons incidentes de 13,2 MeV e 16,0 MeV, utilizando o acelerador Pelletron da Universidade de São Paulo. Os dêuterons emergentes da reação foram analisados por um espectrógrafo magnético tipo polo-partido de Enge e registrados em placas de emulsão posicionadas na sua superfície focal. As seções de choque diferenciais, na energia incidente de 13,2 MeV, foram medidas em 18 ângulos de espalhamento, de
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18

Núñez, Juan Antonio Alcántara. "Estruturas rotacionais quadrupolares elétricas e dipolares magnéticas nos núcleos de 105Rh e 108Pd." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-24022014-142835/.

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As estruturas dos núcleos de ANTPOT. 105 Rhe de ANTPOT 108.Pd foram estudadas usando a reação ANTPOT. 100 Mo(ANTPOT. 11 Bxalfaypzn) na energia incidente de 43 MeV. Foram realizadas as medidas de coincidências gama-gama, gama-gama- multiplicidade de partículas carregadas e das correlações angulares utilizando o espectrômetro gama formado por 4 detectores HPGe e o sistema ancilar de detectores de partículas carregadas. No núcleo de ANTPOT. 105 Rh foi observada pela primeira vez a banda gama, indicando a existência de trixialidade em baixo spin, e uma nova estrutura baseada no orbital intruso (43
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19

Allegro, Paula Rangel Pestana. "Estrutura nuclear do 64Cu." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-26112008-105333/.

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Este trabalho tem como principal interesse o estudo das propriedades do núcleo ímpar-ímpar 64Cu utilizando técnicas de espectroscopia de raios em linha. Para o estudo deste núcleo, foi realizada no acelerador Pelletron (Modelo 8-UD, tipo TANDEM) da Universidade de São Paulo a reação de fusão-evaporação 51V(16O, 2pn)64Cu com energia de feixe incidente igual a 70 MeV, utilizando-se um alvo de 4,4 mg/cm2 de 51V com um backing de 7,0 mg/cm2 de Au. As medidas de coincidência das partículas carregadas evaporadas e da radiação gama foram feitas utilizando-se o espectrômetro de raios SACI-PERERE, co
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20

Ndayishimye, Joram. "Alpha cluster structure and scattering in 20Ne, 44Ti, 94Mo, 136Te and 212Po." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6484.

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Thesis (MSc)--University of Stellenbosch, 2011.<br>ENGLISH ABSTRACT: We investigate the nuclei 20Ne, 44Ti, 94Mo, 136Te and 212Po using a model of an α-cluster orbiting a closed shell core. A purely phenomenological cluster-core potential is found to provide a successful description of the spectra, B(E2↓) transition strengths, and α-decay rates of the low-lying positive parity states of these nuclei. We then use the same potential as the real part of an optical model potential to describe the α elastic scattering by 16O, 40Ca, 90Zr and 208Pb. The experimental differential cross-section dat
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21

Cresswell, Alan James. "Studies of nuclear structure using heavy ion-induced transfer reactions." Thesis, University of Liverpool, 1994. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240215.

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22

Rotival, Vincent. "Fonctionnelles d'energie non-empiriques pour la structure nucleaire." Phd thesis, Université Paris-Diderot - Paris VII, 2008. http://tel.archives-ouvertes.fr/tel-00409482.

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La methode de la fonctionnelle de la densite d'energie (EDF) est un outil de choix pour l'etude de la structure nucleaire a basse energie, car elle permet des calculs de noyaux finis aussi bien pour des systemes stables connus experimentalement dont les proprietes sont reproduites avec une bonne precision, que pour des noyaux qui ne peuvent encore etre produits mais sont predits theoriquement. Dans la premiere partie de cette these, une nouvelle methode quantitative est introduite pour caracteriser l'existence et les proprietes des halos dans les noyaux moyens et lourds, ainsi que pour etudier
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23

Güven, Haşim Zahid. "Nuclear Physics in Neutron Stars : Study of Superfluidity in Hypernuclei and Constraining the Nuclear Equation of State." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASP041.

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Dans cette thèse nous avons d’abord étudié l’effet du paring Lambda sur les propriétés des hypernoyaux dans le formalisme Hartree-Fock Bogoliubov. La fonctionnelle de Skyrme SLy5 est utilisée dans le canal nucleon-nucleon alors que 3 fonctionelles fittées sur les calculs microscopiques Brueckner Hartree-Fock sont utilisées dans le canal Nλ : DF-NSC89, DF-NSC97a et DF-NSC97f. Ces fonctionnelles décrivent la séquence des énergies de liaison expérimentales à un lambda, des hypernoyaux légers aux hypernoyaux lourds. Dans le cas du canal Lambda-Lambda, nous avons utilisé la prescription empirique E
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24

Nieminen, John Matti. "Superdeformation : a tool to study fusion-evaporation reactions /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0004/NQ42868.pdf.

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25

Steffens, Fernando Monti. "The spin and flavour structure of the nucleon /." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phs817.pdf.

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Thesis (Ph. D.)--University of Adelaide, Dept. of Physics and Mathematical Physics, 1996?<br>Copies of author's previously published articles inserted. Includes bibliographical references (leaves 189-206).
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26

Barros, Cristian Javier Caniu. "Alpha Particles in Effective Field Theory." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-13012015-131131/.

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In this thesis we work on the problem of the two-alpha-particle system using a halo/- cluster effective field theory (EFT). Our goal is to address the alpha-alpha scattering observables and its low-energy resonance identified as the ground state of Beryllium-8. In this work we start with an EFT in which the degrees of freedom are the alpha particles interacting via momentum-dependent contact forces. These, in contrast to forces that are energy-dependent, are more useful in extending the theory to systems with more than two alpha particles. Additionally, momentum-dependent forces allow us to ad
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27

Mortuza, Muhammad Golam. "A nuclear magnetic resonance investigation of the structure of some alkali silicate glasses." Thesis, University of Warwick, 1989. http://wrap.warwick.ac.uk/55507/.

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The potential for the use of MAS and static NMR in the investigation of alkali silicate and alkali phosphosilicate glasses and glass ceramics is the main theme of this thesis. MAS NMR of binary lithium silicate glasses containing 24-29 mol% Li20 shows that their structure follows the constrained distribution model. However addition of Li20 in excess of 29 mol% causes deviation from the model and a concentration dependent disproportionation of Q3 to Q4+Q2 occurs. This is observable from MAS NMR in combination with static NMR results. The devitrification of these glasses produces two polymorphs
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28

Filho, Zwinglio de Oliveira Guimarães. "Energias de raios gama padrões: suas covariâncias e relações com as constantes fundamentais." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-02072012-153200/.

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Este trabalho apresenta o procedimento que desenvolvemos e empregamos para determinar os valores a serem adotados para as energias de um conjunto de raios gama comumente utilizados como padrões de calibração, bem como sua respectiva matriz de covariância, esta obtida pela primeira vez. A matriz de covariância entre as energias destes padrões revelou muitos casos de correlações com valores absolutos maiores que 0,8, correlações estas que precisam ser corretamente consideradas para não comprometer a qualidade das análises efetuadas com o uso daquelas energias. No procedimento desenvolvido foi co
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29

Svensson, Carl Edward. "Collectivity in A ~ 60 nuclei : superdeformed and smoothly terminating rotational bands /." *McMaster only, 1998.

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30

Toufen, Dennis Lozano. "Sistema para medida de estados isoméricos." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-26022009-112321/.

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Com o objetivo de permitir a detecção e a medida de estados isoméricos com meias vidas na faixa de 10 ns a 10 s sem a utilização de feixe pulsado, desenvolveu-se um sistema, batizado de SISMEI (SIStema de Medida de Estados Isoméricos). Este sistema utiliza principalmente a técnica de coincidência atrasada entre partículas carregadas e raios . No SISMEI há uma separação espacial entre a região do alvo, onde as partículas carregadas são emitidas, e a região do stopper, onde os raios atrasados são emitidos, permitindo assim uma diminuição do fundo estatístico. Para o teste do SISMEI foram reali
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31

Griffiths, Austyn Glyn. "Nuclear orientation studies of isotopes far from stability." Thesis, University of Oxford, 1989. http://ora.ox.ac.uk/objects/uuid:d8bdd79d-9621-46c3-be82-3a13d1d629cb.

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Low Temperature Nuclear Orientation (LTNO) is an important technique in the study of nuclei far from stability. The theory of LTNO and its applications to the measurement of static nuclear moments and other quantities of spectroscopic interest are reviewed. Among the nuclei off the line of stability those in the A ~ 75 region are of considerable interest, exhibiting large quadrupole deformations, triaxiality and shape coexistence. LTNO measurements performed on neutron deficient bromine isotopes have yielded the static magnetic dipole moments of the nuclei <sup>72g,72m,74m,75,76,77<sup>Br, Spe
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32

Beaumier, Michael John. "Probing the Spin Structure of the Proton Using Polarized Proton-Proton Collisions and the Production of W Bosons." Thesis, University of California, Riverside, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10181454.

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<p>This thesis discusses the process of extracting the longitudinal asymmetry, $A_L</p><p>{W\pm}$, describing $W\rightarrow\mu$ production in forward kinematic regimes. This asymmetry is used to constrain our understanding of the polarized parton distribution functions characterizing $\bar{u}$ and $\bar{d}$ sea quarks in the proton. This asymmetry will be used to constrain the overall contribution of the sea-quarks to the total proton spin. The asymmetry is evaluated over the pseudorapidity range of the PHENIX Muon Arms, $2.1 < |\eta|2.6$, for longitudinally polarized proton-proton collisions
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33

Bezuidenhout, Jacques. "Cross sections and analysing power energy-sharing distributions of valence (p,2p)-knockout from 208Pb with a projectile of 200MeV." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51668.

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Thesis (MSc)--Stellenbosch University, 2000.<br>ENGLISH ABSTRACT: The aim of this work was to study the 208Pb(p,2p)207Tl quasi-free knockout process. The experimental data were measured at the National Accelerator Centre using incident polarised protons of 200 MeV. The two scattered particles, from the knockout reaction, were detected in coincidence and their energies were determined using a magnetic spectrometer and a solid state detector telescope. Cross section and analysing power energy distributions were extracted from the experimental measurements and these were compared with th
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34

Francis, D. "Measurement of the nucleon structure function in deep inelastic muon-nucleon scattering." Thesis, University of Liverpool, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384355.

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35

Medina, Israel Ariel González. "Estudo de processos a energias médias e altas pelo método Monte Carlo." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-02102014-143638/.

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O trabalho de pesquisa está orientado ao estudo de processos nucleares em altas energias usando o modelo de cascata intranuclear desenvolvido no código CRISP. O estudo é realizado pela introdução de modificações no código CRISP, visando adaptá-lo à utilização em cálculos relacionados às reações nucleares onde a densidade de hádrons é quente e densa. Este estado é muito sensível às modificações no meio da distribuição dos mésons vetoriais $ho$ e $\\omega$, $\\phi$ e $J/\\Psi$. Em altas energias, o código CRISP incorpora os processos de fotoprodução de mésons vetoriais e os processos de interaçã
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36

Allegro, Paula Rangel Pestana. "Sistemática de núcleos ímpar-ímpar de Ga na região de massa A=60 - 70." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-17102014-143630/.

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Um dos modelos mais utilizados para a descrição de núcleos é o Modelo de Camadas em Larga Escala, que demonstrou grande acurácia na descrição detalhada de propriedades nucleares. Na região de massa A = 50 80, os orbitais 1g9/2 e 2d5/2 são fundamentais para a descrição de estados excitados com mudança de paridade e de estruturas deformadas, porém suas contribuições na descrição de estados excitados de núcleos com número de massa ímpar e núcleos duplamente ímpares perto da linha de estabilidade ainda estão por ser investigadas. Nesta tese, a importância dos orbitais 1g9/2 e 2d5/2 na formação do
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37

Wiedemann, Kenia Teodoro. "Propriedades de decaimento eletromagnético dos núcleos espelho 67As e 67Se." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-11052009-102216/.

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No presente trabalho foram feitos estudos das propriedades de decaimento eletromagnético do par de núcleos espelho mais pesado conhecido atualmente: 67As e 67Se. Esses núcleos foram produzidos através da reação de fusão-evaporação 32S+40Ca, com energia de feixe Ef = 90MeV. O experimento foi realizado nos Laboratórios Nacionais de Argonne, com o feixe fornecido pelo acelerador ATLAS. Os raios gama emitidos do decaimento dos núcleos residuais foram observados utilizando o espectrômetro de raios gama Gammasphere, em conjunto com o sistema de detecção de partículas carregadas Microball e o sistema
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38

Lester, G. A. "A computing structure for data acquisition in high energy physics." Thesis, University of Salford, 1988. http://usir.salford.ac.uk/2168/.

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A review of the development of parallel computing is presented, followed by a summary of currently recognised types of parallel computer and a brief summary of some applications of parallel computing in the field of high energy physics. The computing requirement at the data acquisition stage of a particular set of high energy physics experiments is detailed, with reference to the computing system currently in use. The requirement for a parallel processor to process the data from these experiments is established and a possible computing structure put forward. The topology proposed consists of a
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39

Utley, Martin Lawrence. "A first study of the structure of the virtual photon at HERA." Thesis, University of Glasgow, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321826.

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40

Burrows, Matthew. "Translationally Invariant Local Densities for Light Nuclei from No-Core-Shell-Model Calculations." Ohio University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1477569906766884.

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41

Day, Iain J. "Real-time NMR of the transient states of proteins." Thesis, University of Oxford, 2004. http://ora.ox.ac.uk/objects/uuid:19b0637b-e28a-4d34-9016-ebfb5a507720.

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The work described in this thesis is concerned with the development and application of real-time photo-CIDNP (Chemically Induced Dynamic Nuclear Polarisation) to the study of protein structure and folding. Chapters 1 and 2 introduce the protein folding problem, and its study by NMR, then go on to elucidate the mechanisms behind the photo-CIDNP phenomenon. Chapter 3 applies photo-CIDNP spectroscopy to the study of a small cytochrome protein. The difficulties of performing these experiments on chromophore-containing proteins are discussed. Chapter 4 begins with the development of a rapid mixing
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42

Tommasini, Paolo Roberto Inglese. "Aproximação gaussiana para um sistema não-ideal de muitos bósons." Universidade de São Paulo, 1995. http://www.teses.usp.br/teses/disponiveis/43/43131/tde-28022014-114504/.

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O estado fundamental e propriedades térmicas de um sistema de bosons não relativísticos interagentes por uma interação repulsiva de dois corpos, são investigados através de uma aproximação Gaussiana auto-consistente que consiste em escrevermos o operador densidade variacionalmente determinado como o funcional Gaussiano mais geral dos operadores de campo. Resultados a temperatura finita são obtidos, incluindo transições de fase, no contexto do ensemble grand-canônico. Através de truncamentos na aproximação Gaussiana completa podemos reproduzir resultados tradicionais de Bogolyubov e de Lee, Yan
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43

Buck, Paul G. "Measurement of the photon structure function of low Q'2 using ALEPH detector." Thesis, Lancaster University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249810.

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44

Dursun, Serkan. "Nuclear structure of the N=88 isotones: the decay of 156Tm to 156Er." Diss., Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/37155.

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The N=88 nuclei lie in a transitional region of the nuclear chart. Collective structure and nuclear deformation for this region is commonly occurring. Previously, some of the nuclei having 88 neutrons have been well studied, e.g., 148Nd, 150Sm, 152Gd, 154Dy; however, 156Er has not. To be able to understand the nuclei in this region one needs to extract all the systematics of these deformed nuclei and the relations between them. The structure of 156Er is the main focus in this thesis and the work seeks understanding of the N=88 nuclei and systematics among them. To accomplish this task, 156Tm t
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45

Hague, Tyler J. "Measurement of the EMC Effect of the Helium-3 Nucleus at Jefferson Lab." Kent State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=kent1587232156043952.

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46

Allmond, James Mitchell. "Studies of Triaxial Rotors and Band Mixing in Nuclei." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14604.

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Rigid rotor models were investigated with constraints from data for even-even nuclei. Specifically, from precision gamma-ray intensity measurements for 166-Er (from 166m-Ho and 166-Tm beta decays); from B(E2) systematics; and for 186,188,190,192-Os matrix element data.
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47

Fallot, Muriel. "Recherche de l'état à trois phonons dans le $^(40)$Ca." Phd thesis, Université Paris Sud - Paris XI, 2002. http://tel.archives-ouvertes.fr/tel-00002925.

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Ce travail porte sur l'étude des états de vibration collective du noyau : les résonances géantes et les états multiphonons. Ces derniers, constitués de plusieurs résonances géantes superposées, peuvent être excités par diffusion inélastique d'ions lourds près de l'angle d'effleurement. Aucun état à trois phonons collectif n'a été observé jusqu'à maintenant. Une expérience a été effectuée au GANIL dans le but d'observer l'état à trois phonons construit avec la Résonance Géante Quadrupolaire dans le $^(40)$Ca, avec la réaction $^(40)$Ca + $^(40)$Ca à 50 A.MeV. L'éjectile était identifié dans le
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48

Simmons, Peter Mark. "A study of highly-deformed α-cluster structures in light nuclei". Thesis, University of Oxford, 1995. http://ora.ox.ac.uk/objects/uuid:37f984ce-da25-4e98-a843-5039c4f406ff.

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The inelastic scattering reaction <sup>16</sup>0+<sup>12</sup>C has been studied in the centre-of-mass energy region from 37.7 MeV to 51.4 MeV, in a search for evidence for a seven-alpha chain state in <sup>28</sup>Si. The decay products were detected in coincidence at angular separations around 90° in the centre of mass using two position-sensitive strip detectors. Kinematic reconstruction of the quasi-three body final states yielded the differential cross-sections for the decay channels leading to excited states in <sup>12</sup>C, <sup>16</sup>0 and <sup>20</sup>Ne. The excitation functions
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Shotton, P. N. "A measurement of the proton structure functions in neutrino-hydrogen and antineutrino-hydrogen charged-current interactions." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355802.

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Rybak, Karolina. "Predictive power of nuclear mean-field theories for exotic-nuclei problem." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00864240.

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This thesis is a critical examination of phenomenological nuclear mean field theories, focusing on reliable description of levels of individual particles. The approach presented here is new in the sense that it not only allows to predict the numerical values obtained with this formalism, but also yields an estimate of the probability distributions corresponding to the experimental results. We introduce the concept of 'theoretical errors' to estimate uncertainties in theoreticalmodels. We also introduce a subjective notion of 'Predictive Power' of nuclear Hamiltonians, which is analyzed in the
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