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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.
We report the synthesis and characterization for two single crystalline lanthenide-host compound Sm$_{6}$T$_{4}$Al$_{43}$ (T = Mo and W), that form in the hexagonal Ho$_{6}$Mo$_{4}$Al$_{43}$ prototype. The Sm ions reside within T/Al...
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...
Angular Distributions, Polarization Observables, Spin Density Matrices and Statistical Tensors in Photoproduction of Two Pseudoscalar Mesons off a Nucleon
In two meson photoproduction off a nucleon, for the case in which two of the three final state hadrons are products of the decay of an intermediate resonance, general expressions for its decay distribution and for polarization...
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...
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...
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...
We investigate various fundamental aspects of the metal insulator transition (MIT) by employing several theoretical approaches. Describing the novel features of interacting electronic systems remains one of the principle challenges to...
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...
Nb₂PᵪSe₅ is a high-field, anisotropic, 2-band superconductor with both electron-like and hole-like charge carriers at the Fermi level. The crystal structure is assembled such that 2D sheets of Nb₄Pd₁Se₁₀ are connected to each other by an...
The realm of hadronic spectroscopy offers a window into the inner workings of quark-gluon inter- actions within hadrons, while providing new insights into the existence of excited hadrons. The knowledge gained from the further study of...
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...
Multi-strange baryons have played an important role in understanding the strong interaction. Despite their importance to advancing quantum chromodynamics (QCD), little is known about such hyperons due to the lack of a strange probe....
In this dissertation we explore three topics: 1) the extraction of the proton radius from electron scattering data; 2) the reconstruction of neutron distributions in nuclei from parity violating experiments; and 3) the propagation of...
The 4f and 5f electron states from the lanthanide (La - Lu) and actinide (Ac - Lr) elements area deep reservoir for novel physics. A variety of emergent states are seen in different f-element containing materials including complex...
Computational Studies of Equilibrium and Non-Equilibrium Phase Diagrams and Critical Properties of Two Physical and Chemical Model Systems with Both Short-Range and Long-Range Interactions or Reactivities
In this dissertation, we introduce long-range interactions into one equilibrium model (Ising model) and one non-equilibrium system (Ziff-Gulari-Barshad model), and study their phase diagrams and critical properties. A new approach to do...
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...
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