Now showing items 1-20 of 57

• #### [2014-09-12]Accessing Gluon Polarization Through the J/ψ Longitudinal Double Spin Asymmetry in Polarized pp Collisions at PHENIX ﻿

To date, the exact distribution of the fundamental property of intrinsic angular momentum, or spin, in the proton amongst its constituents is largely unknown. Through observation of the production of the J/ψ particle in ...
• #### [2015-06-25]The Arecibo L-Band Feed Array Zone of Avoidance Survey ﻿

The Arecibo L-Band Feed Array Zone of Avoidance (ALFA ZOA) Survey detects galaxies behind the Milky Way by 21cm emission from neutral hydrogen gas (HI). The goal of ALFA ZOA is to detect nearby galaxies that have an impact ...
• #### [2013-09-05]The biophysical effects of deuterium oxide on biomolecules and living cells through open notebook science. ﻿

This dissertation explores various effects of deuterium oxide (D2O also known as heavy water) in nature. Water is everywhere and interacts with just about everything. As such, it would be quite a daunting task to characterize ...
• #### [2012-02-01]Charged hadron beam therapy : fast computational physics methods ﻿

Charged hadron beams have been investigated for use in radiation therapy of cancer since the 1940’s due to their unique potential to place tightly conformal radiation doses deep inside tissue. This is achieved by ...
• #### [2011-07-02]Coherent control of collective atomic spins ﻿

In this thesis I explore the use of collective spin angular momentum as a platform for quantum information processing. Such systems have several nice features that make them excellent choices for such protocols, especially ...
• #### [2013-07-11]Continuous Measurement and Stochastic Methods in Quantum Optical Systems ﻿

This dissertation studies the statistics and modeling of a quantum system probed by a coherent laser field. We focus on an ensemble of qubits dispersively coupled to a traveling wave light field. The first research topic ...
• #### [2012-02-01]Continuous measurement quantum state tomography of atomic ensembles ﻿

Quantum state tomography is a fundamental tool in quantum information processing tasks. It allows us to estimate the state of a quantum system by measuring different observables on many identically prepared copies of the ...
• #### [2012-08-28]CR geometry and twisting type N vacuum solutions ﻿

In the search for vacuum solutions, with or without the cosmological constant Λ, of the Einstein field equations for Petrov type N with twisting principal null directions, the CR structures, which describe the parameter ...
• #### [2013-07-11]Destruction of lipid-coated bubbles with pulsed ultrasound ﻿

Micron-sized bubbles are of some interest for applications in ultrasound contrast and ultrasound-targeted drug delivery. Bubbles must be coated to remain stable; otherwise the surface tension induces an internal Laplace ...
• #### [2012-08-28]Development and characterization of a 171Yb+ miniature ion trap frequency standard ﻿

This dissertation reports on the development of a low-power, high-stability miniature atomic frequency standard based on 171Yb+ ions. The ions are buffer-gas cooled and held in a linear quadrupole trap that is integrated ...
• #### [2012-07-05]Development of planar and 3D silicon sensor technologies for the ATLAS experiment upgrades and measurements of heavy quark production fractions with fully reconstructed D-star mesons with ATLAS ﻿

Several particle detector technologies were studied. These include measurements of the leakage current and capacitance of irradiated planar and 3D sensors. The inter-electrode capacitance of proton irradiated 3D sensors ...
• #### [2014-07-12]Discovery of the Bc(2S) Meson and Development of Pixel Detectors for Future Particle Collider Experiments ﻿

This work involves an analysis of data recorded at the Large Hadron Collider combined with a program to develop detectors for future collider experiments. Using the full 4.9 fb$^{-1}$ of 7 TeV data collected in 2011 and ...
• #### [2012-07-06]Dynamics and distribution of immunoglobolin E receptors : a dialog between experiment and theory ﻿

This dissertation explores the dynamics and distribution of immunoglobulin E receptors (FceRI) on mast cells by drawing on the techniques of experimental and theoretical physics. The motivation for these investigations is ...
• #### [2011-08-31]Early stages of radio galaxy evolution ﻿

Though active galaxies have been studied since the inception of radio astronomy, there remain several large gaps in our understanding. Chief among these, is how the jets possessed by the radio loud variety are ignited. A ...
• #### [2014-07-12]The Effect of Dynamical Image Forces on The Transport Properties of Charge Carriers and Excitons in Metal-Semiconductor Nanostructures ﻿

We examine coupled metal nanoparticle/semiconductor hybrid nano-stuctures and analyze the effect that the surface response metal nanoparticles (MNP) has on the transport properties of the system. This analysis is accomplished ...
• #### [2012-02-01]The evaluation of ERK1 dimerization models using fluorescence correlation Ssectroscopy and the development of analysis algorithms for single-molecule super resolution ﻿

In this dissertation, we describe three advancements in the area of fluorescence spectroscopy and microscopy. First, we have implemented Fluorescence Correlation Spectroscopy on a home-built confocal microscope. We ...
• #### [2014-07-12]Evidence for the Heavy Baryon Resonance State Lambda_b^*0 Observed with the CDF II Detector, and Studies of New Particle Tracking Technologies Using the LANSCE Proton Beam ﻿

To discover and probe the properties of new particles, we need to collide highly energetic particles. The Tevatron at Fermilab has collided protons and anti-protons at very high energies. These collisions produce short ...
• #### [2011-07-02]Experimental protocols for and studies of the effects of surface passivation and water isotopes on the gliding speed of microtubules propelled by kinesin-1 ﻿

This dissertation explores how the kinesin-1 and microtubule system is affected by surface passivation and water isotopes. Surface passivation was found to affect the gliding speed that microtubules exhibit in the ...
• #### [2012-08-27]Fault-tolerance in two-dimensional topological systems ﻿

This thesis is a collection of ideas with the general goal of building, at least in the abstract, a local fault-tolerant quantum computer. The connection between quantum information and topology has proven to be an ...
• #### [2010-02-09]High electric field deuterium ion sources for neutron generators ﻿

Active interrogation systems for highly enriched uranium require improved fieldable neutron sources. The target technology for deuterium-tritium neutron generators is well understood and the most significant improvement ...

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