Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Suppression of the J/Ψ nuclear modification factor has been seen as a trademark signature of final state effects in large collision systems for decades. In small systems, the nuclear modification was attributed to cold nuclear matter...
18Ne(α, p)21Na reaction is one of the reactions providing a pathway for breakout from the hot CNO cycles to the rp-process in Type I X-ray bursts. The actual conditions under which the breakout occurs depend critically on the...
This study of the nuclear structure of $^{24}$Na, $^{35}$S, $^{41}$K, and $^{41}$Ca has been carried out at Florida State University's (FSU) John D. Fox Superconducting Linear Accelerator Laboratory. These experiments were performed...
Experimental results on the nuclear structure of 44S and 26Si will be reported in this thesis. 44S is studied because of its interest in understanding how nuclei behave far from stability. 26Si is studied because of the impact of...
We present a study of the reaction $ \gamma p \rightarrow Xp \rightarrow K_{S}^{0}K_{S}^{0} p\rightarrow \pi^{+}\pi^{-}\pi^{+}\pi^{-}p$ using data collected by the GlueX Collaboration during the Spring 2017 run. The GlueX Experiment is...
An inverse kinematic proton scattering experiment was performed at the National Superconducting Cyclotron Laboratory (NSCL) using the GRETINA-S800 detector system in conjunction with the Ursinus College liquid hydrogen target. $\gamma$...
In this thesis, the excited states ³³P were populated by the ¹⁸O+¹⁸O reaction at E[subscript lab]=24 MeV. The GAMMASPEHRE array was used along with the Microball particle detector array to detect γ transitions in coincidence with the...
Manual Nuclear Magnetic Resonance (NMR) spectral analysis of proteins is a time intensive effort with methods often specific to each analysis. The method described in this thesis automates the resonance assignment of protein side chains...
The $\eta \pi$ decay channel is one of the "golden channels'' to search for the $\pi_1$ and other spin-exotic mesons. These exotic states show up as odd partial waves in the decay of the $\eta\pi$ system. Searching for this resonance...
Detailed Spectroscopic Study of the High-Spin Structures in ¹⁶⁸,¹⁶⁹,¹⁷⁰,¹⁷¹W and ¹⁹⁶Hg and a Systematic Examination of Nuclear Structure Behavior of Rare-Earth Isotopes in the A≈160−180 Region
High-spin states in the rare-earth nuclei $^{168, 169, 170, 171}$W (Z=74) were produced via fusion evaporation reactions carried out at Argonne National Laboratory (ANL) using the Argonne Tandem Linear Accelerator System (ATLAS). An...
The weak nuclear form factor is the final missing piece to complete our understanding of the nuclear structure and the Coherent Elastic Neutrino Nucleus Scattering (CEvNS) cross section. The weak form factor is dominated by the neutron...
The ¹⁷F(p, γ)¹⁸Ne reaction plays an important role in various astrophysical processes. However, direct measurements of (p, γ) reactions involving radioactive nuclei will remain difficult even at cutting-edge facilities in the near future....
In this work we study quantum non-relativistic three-body systems interacting via Coulomb potential. The solution in this undertaking utilizes and expansion of wave functions using products of Laguerre polynomial, followed by variational...
Measurement of Polarization Observables in Vector Meson Photoproduction Using a Transversely-Polarized Frozen-Spin Target and Polarized Photons at CLAS, Jefferson Lab
The study of baryon resonances provides a deeper understanding of the strong interaction because the dynamics and relevant degrees of freedom hidden within them are reflected by the properties of the excited states of baryons. Higher...
Structural Characterizaton of Rv0008C: An Integral Membrane Protein from Mycobacterium Tuberculosis by Solution Nuclear Magnetic Resonance Spectroscopy
Tuberculosis, an infectious disease caused by Mycobacterium tuberculosis, has been a leading cause of death in the world infecting over one third of the world population (WHO 1999). A detailed structural understanding of the membrane...
The formation of sub-structures within an atomic nucleus, appropriately termed nuclear clustering, is one of the core questions of nuclear many-body physics. In this thesis, we put forward a new method for the study of nuclear clustering...
Investigation of nuclei with neutron and proton imbalance is at the forefront of nuclear physics research today, along with how the nuclear structure varies with the movement of the nucleons. Experimental data and theoretical models work...
Reaction rates are critical in understanding the nuclear evolution of stellar environments suchas Classical Novae and Type I X-ray Bursts. Nuclear properties of the neutron-deficient nucleus 18Ne are needed to reduce uncertainties in the...
This work reports on the first efforts at FSU's John D. Fox Accelerator Laboratory to study the nuclear structure of states embedded in the continuum through particle-unbound angular correlations. As part of this work, two principle...
Microscopic nuclear shell model calculations have been advancing in capability over the last 40years. Florida State University's experimental nuclear structure group has participated in this advancement with the introduction of the FSU...
Backbending, Seniority and Pauli Blocking of Pairing Correlations at High Rotational Frequencies in Rapidly Rotating Nuclei: A Systematic Analysis of Er, Yb, Hf and W Isotopes and Nuclear Structure Studies of ¹⁷⁹, ¹⁸⁰W, ¹⁶⁰, ¹⁶¹Gd and ¹⁵⁵Sm
The goal of nuclear structure experiments is to understand how properties of nuclei evolve as a function of key observables such as proton and neutron numbers, deformation, angular momentum and excitation energy, to name a few. In order...
How does subatomic matter organize itself? Neutron stars are cosmic laboratories uniquely poised to answer this fundamental question that lies at the heart of nuclear science. Newly commissioned rare isotope facilities, telescopes...
Cell adhesion assemblies occur at sites where cells either contact each other or components related to the extracellular matrix. They provide the structural integrity needed to support nonmigrating cells via a host of transmembraneous...
We use a lipid monolayer system to prepare paracrystalline rafts of F-actin with two different cross-linking proteins, α-actinin and villin. α-Actinin cross-links F-actin into relatively loose networks throughout cells, while villin...
At the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson National Laboratory (JLab), $\omega$ vector-mesons were photo-produced off a fixed, liquid-hydrogen target during the 2009 run-period via the reaction $\gamma p ...
Baryon and hybrid baryon wave functions were built from harmonic oscillator basis states with explicit flavor and color. The Relativized Constituent Quark Model was extended to calculate more baryon states. Improvements were made to the...
The Iron-dependent Regulator (IdeR) is a 230-amino acid transcriptional repressor that regulates iron homeostasis, oxidative stress response and virulence in Mycobacterium tuberculosis. The importance of IdeR for mycobacterial metabolism...
We perform an analysis dedicated to the search for new and unusual strangeonium states produced in the reaction γp → pφη. The data used for this analysis was recorded during the Spring 2017 physics run for Hall D of Thomas Jefferson...
Molecular modeling of proteins and DNA is an attractive goal because it allows to gain insight into dynamic behavior of molecules on atomistic level. Such studies have a great potential to complement existing experimental techniques in...
Two experiments have been performed at Florida State University using the FSU Compton- Suppressed HPGe Array and associated particle telescope. The first experiment used the 9Be(18O, pnγ) reaction at 35 MeV to study the nuclear structure...
This work presents a comprehensive gamma-ray spectroscopic study to the higher spin structure of ³¹Si, including its excitation energies, spins, and branching ratios, along with the shell model discussions. ³¹Si was produced through the...
The study of exotic nuclei, and their implication for Astrophysics have become a driving force in low-energy nuclear science, nationally recognized by the construction of the Facility for Rare Isotope Beams (FRIB) laboratory. To maximize...
The phenomenological R-matrix approach is one of the most practical tools for the study of multi-channel resonant scattering data. This approach, however, has been subject to criticism for the relatively unconstrained phenomenological...
The first chapter serves as an introduction to nuclear science. Nuclear weapons are briefly discussed, but more focus is given to the intricacies of fission and traditional nuclear reactors. In order to better understand nuclear waste, a...
The periodic table of the elements, derived from numerous attempts in the 1800s to systematically examine the chemistry found in nature, has seen a stark evolution over the last century. The elements of the actinide series are the...
In this dissertation we have created theoretical models for finite nuclei, nuclear matter, and neutron stars within the framework of relativistic mean field (RMF) theory, and we have used these models to investigate the elusive isovector...
This dissertation reports the study of three nuclei ¹⁹O, ²⁹Al, and ²⁷Mg at high angular momentum using ɣ-ray spectroscopy. These experiments were performed at the John D. Fox Superconducting Linear Accelerator at Florida State University...
Compact stars are an exciting and active area of research. This thesis covers two types of compact stellar objects: the white dwarf star and the neutron star. These stars do not rely on nuclear reactions to generate hydrostatic...
The Big-Bang theory is the most widely accepted description of the origin of the Universe, creating elementary particles and synthesizing light nuclei up to mass-7 within the first few minutes of the Big-Bang. Its parameters have been...
This thesis describes the relevant background, process, and results of two measurements of the cyclotron frequency ratio (CFR) of H2+/D+ as measured using a hyperbolic Penning trap, to determine the deuteron-to-proton mass ratio m(d)/m(p...
The field of experimental nuclear physics has been pushing further and further away from the valley of stability on the chart of nuclides, investigating exotic systems in order to test our understanding of nuclear structure, nuclear...
Nuclei in the light rare-earth, for values of N ≥ 90, are textbook examples of the evolution of nuclear structure with respect to excitation energy and angular momentum in deformed nuclei. In the high-spin region (J ≥ 10ħ), effects such...
The study of near-threshold resonances in weakly bound systems is an exciting topic in experimental and theoretical nuclear physics since they provide important information on the interaction of discrete states with the continuum. Recent...
Anthracis Repressor (AntR) is a Mn(II) activated DNA binding protein that is involved in the regulation of Mn(II) homeostasis in Bacillus anthracis. AntR is a member of the Diphtheria Toxin Repressor (DtxR) family of proteins. These...
In this dissertation, we introduce a new approach in building a hybrid nuclear model that combines some existing theoretical models and a \universal" approximator. The goal of such an approach is to obtain new predictions of nuclear...
The rapid-proton capture process (rp-process) is a series of proton capture and beta-decay reactions that proceed up the proton rich side of the chart of nuclides. It is an important part of stellar nucleosynthesis, and responsible for...
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
