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Articles 61 - 88 of 88
Full-Text Articles in Astrophysics and Astronomy
High Power And Optomechanics In Advanced Ligo Detectors, Terra Christine Hardwick
High Power And Optomechanics In Advanced Ligo Detectors, Terra Christine Hardwick
LSU Doctoral Dissertations
In September 2015, a new era of astronomy began with the first direct detection of grav- itational waves from a binary black hole coalescence. The event was captured by the Laser Interferometer Gravitational-wave Observatory, comprised of two long-baseline interferometers, one in Livingston, LA and one in Hanford, WA. At the time of the first detection, the interferometers were part way through an upgrade to an advanced configuration and were operating with a strain sensitivity of just better than 10−23/Hz1/2 around 100Hz. The full Advanced LIGO design calls for sensitivity of a few parts in 10−24/Hz …
Alpha Capture Reaction Rates For Nucleosynthesis Within An Ab Initio Framework, Alison Constance Dreyfuss
Alpha Capture Reaction Rates For Nucleosynthesis Within An Ab Initio Framework, Alison Constance Dreyfuss
LSU Doctoral Dissertations
Clustering in nuclear systems has broad impacts on all phases of stellar burning, and plays a significant role in our understanding of nucleosynthesis, or how and where nuclei are produced in the universe. The role of alpha particles in particular is extremely important for nuclear astrophysics: 4He was one of the earliest elements produced in the Big Bang, it is one of the most abundant elements in the universe, and helium burning -- in particular, the triple-alpha process -- is one of the most important ``engines'' in stars. To better understand nucleosynthesis and stellar burning, then, it is important …
Exploring Planetary Surfaces With Remote Sensing, Donald R. Hood
Exploring Planetary Surfaces With Remote Sensing, Donald R. Hood
LSU Doctoral Dissertations
Aside from Earth, Mars is the most well-explored planetary body in our solar system. Much has been learned about its geologic past including a history of volcanism, ice ages, and potentially long-lasting liquid water. Much of this knowledge of Mars comes from remote observations of the surface and atmosphere from Mars-orbiting satellites. Such remote observations remain the only way to examine the entirety of Mars’ surface as rovers and landers can only examine small areas. The chapters of this work cover three projects that explore the surface of Mars through a variety of remote sensing methods.
In chapter 1, Gamma-ray …
Long-Term Dust Formation By Core Collapse Supernovae, Kelsie Marie Krafton
Long-Term Dust Formation By Core Collapse Supernovae, Kelsie Marie Krafton
LSU Doctoral Dissertations
Studying long-term dust formation by CCSNe is an important step toward understanding the large dust masses found in early galaxies. The amazing new discovery of approximately a solar mass of cold dust in the ejecta of SN 1987A has caused a complete re-evaluation of dust formation in core collapse supernovae (CCSNe). CCSNe form only a small amount of dust after three years, but SN 1987A has a dust mass that is several orders of magnitude larger after 25 years. A recent study of SN 2010jl by Gall et al. (2014) made the fascinating suggestion that dust is continuously forming in …
Accuracy Of Personalized 3-D Printed Phantoms For Radiotherapy Applications, Margaret Carey
Accuracy Of Personalized 3-D Printed Phantoms For Radiotherapy Applications, Margaret Carey
Honors Capstones
No abstract provided.
Observation Of High-Energy Gamma-Rays With The Calorimetric Electron Telescope (Calet) On-Board The International Space Station, Nicholas Wade Cannady
Observation Of High-Energy Gamma-Rays With The Calorimetric Electron Telescope (Calet) On-Board The International Space Station, Nicholas Wade Cannady
LSU Doctoral Dissertations
The CALorimetric Electron Telescope (CALET) is a multi-instrument high-energy astrophysics observatory deployed to the International Space Station (ISS) in August 2015. The primary instrument is the calorimeter (CAL), which is intended for measurement of the cosmic ray electron flux in the energy range 10 GeV - 20 TeV. The CAL is also sensitive to gamma-rays in the energy range 1 GeV - 10 TeV and protons and nuclei up to PeV energies. Also present on the CALET payload are an Advanced Stellar Compass (ASC) for the fine determination of the pointing direction and the CALET Gamma-ray Burst Monitor (CGBM) for …
Broadband Measurement And Reduction Of Quantum Radiation Pressure Noise In The Audio Band, Jonathan Daniel Cripe
Broadband Measurement And Reduction Of Quantum Radiation Pressure Noise In The Audio Band, Jonathan Daniel Cripe
LSU Doctoral Dissertations
One hundred years after Albert Einstein predicted the existence of gravitational waves in his general theory of relativity, the Laser Interferometer Gravitational-Wave Observatory (LIGO) made the first direct detection of gravitational waves. Since the first detection of gravitational waves from a binary black hole merger, LIGO has gone on to detect gravitational waves from multiple binary black hole mergers, and more recently from a binary neutron star merger in collaboration with telescopes around the world. The detection of gravitational waves has opened a new window to the universe and has launched the era of gravitational wave astronomy.
With the first …
Single And Multiparameter Estimation Using Multimode Interferometry And Single Photons, Margarite L. Laborde
Single And Multiparameter Estimation Using Multimode Interferometry And Single Photons, Margarite L. Laborde
Honors Capstones
No abstract provided.
Geometric Design, John Marceaux
Radiomic Feature Analysis And Classification Of Tumors For Serial Pre-Clinical Spect/Ct Data, Megan Chesal
Radiomic Feature Analysis And Classification Of Tumors For Serial Pre-Clinical Spect/Ct Data, Megan Chesal
Honors Capstones
No abstract provided.
Spatiotemporal Properties Of Solid State Harmonics, Christopher Abadie
Spatiotemporal Properties Of Solid State Harmonics, Christopher Abadie
Honors Capstones
No abstract provided.
Some Results From The Lariat Experiment, Derek Walker
Some Results From The Lariat Experiment, Derek Walker
Honors Capstones
No abstract provided.
Epoch, Latitude And Star Positions From Hipparchus’ Commentary, Irene Vargas-Salazar
Epoch, Latitude And Star Positions From Hipparchus’ Commentary, Irene Vargas-Salazar
Honors Capstones
No abstract provided.
Optimized Multilayered Thermal Emitters For Photovoltaic, Lighting, And Countermeasure Technologies, Simón G. Lorenzo
Optimized Multilayered Thermal Emitters For Photovoltaic, Lighting, And Countermeasure Technologies, Simón G. Lorenzo
Honors Capstones
No abstract provided.
A Monte Carlo Study Of The Pion Absorption And Charge Exchange Cross Section In Lariat, Andrew Olivier
A Monte Carlo Study Of The Pion Absorption And Charge Exchange Cross Section In Lariat, Andrew Olivier
Honors Capstones
No abstract provided.
Formation And Characterization Of Environmentally Persistent Free Radicals O N Single Crystal A N D Nanoparticle Metal Oxide Surfaces, Mark F. Ditusa
Formation And Characterization Of Environmentally Persistent Free Radicals O N Single Crystal A N D Nanoparticle Metal Oxide Surfaces, Mark F. Ditusa
Honors Capstones
No abstract provided.
Geometrical Phases On The Poincaré And Bloch Spheres, Jason D. Mueller
Geometrical Phases On The Poincaré And Bloch Spheres, Jason D. Mueller
Honors Capstones
No abstract provided.
An Ion Detector For The Array For Nuclear Astrophysics And Structure With Exotic Nuclei (Anasen), Cedric Williams, K Macon, C M. Deibel, J C. Blackmon
An Ion Detector For The Array For Nuclear Astrophysics And Structure With Exotic Nuclei (Anasen), Cedric Williams, K Macon, C M. Deibel, J C. Blackmon
Honors Capstones
No abstract provided.
Adaptation Of Gamma Camera System For Small Field-Of-View Applications, Melanie Carroll
Adaptation Of Gamma Camera System For Small Field-Of-View Applications, Melanie Carroll
Honors Capstones
No abstract provided.
Application Of The No-Core Symplectic Shell Model To Beryllium And Carbon Isotopes, Mia Cherise Ferriss
Application Of The No-Core Symplectic Shell Model To Beryllium And Carbon Isotopes, Mia Cherise Ferriss
Honors Capstones
No abstract provided.
A Study Of Pixelated Cdznte Detector Setups For Future 0Νββ Decay Searches, Alexander Leder
A Study Of Pixelated Cdznte Detector Setups For Future 0Νββ Decay Searches, Alexander Leder
Honors Capstones
No abstract provided.
Phase Estimation With Two-Mode Squeezed Vacuum And Parity Detection: Bayesian Analysis, Keith Motes
Phase Estimation With Two-Mode Squeezed Vacuum And Parity Detection: Bayesian Analysis, Keith Motes
Honors Capstones
No abstract provided.
Bachelor’S Thesis In Physics: A Chernoff Analysis Of An Invisible Quantum Tripwire With Photon Loss, Daniel Lum
Bachelor’S Thesis In Physics: A Chernoff Analysis Of An Invisible Quantum Tripwire With Photon Loss, Daniel Lum
Honors Capstones
No abstract provided.
Semi-Classical Approaches To Below Threshold Harmonics, James A. Hostetter
Semi-Classical Approaches To Below Threshold Harmonics, James A. Hostetter
Honors Capstones
No abstract provided.
Co-Evolution Of Super Massive Black Holes And Their Surrounding Galactic Bulges, Joseph Chatelain
Co-Evolution Of Super Massive Black Holes And Their Surrounding Galactic Bulges, Joseph Chatelain
Honors Capstones
No abstract provided.
Tokai To Kamioka: A 2nd Generation Long Baseline Neutrino Experiment, Jessica Danielle Brinson
Tokai To Kamioka: A 2nd Generation Long Baseline Neutrino Experiment, Jessica Danielle Brinson
Honors Capstones
No abstract provided.
Pressure Dependence Of The Metal-Insulator Transition In Fesi1-Xa1x, Brian Perone
Pressure Dependence Of The Metal-Insulator Transition In Fesi1-Xa1x, Brian Perone
Honors Capstones
No abstract provided.
The Two-Dimensional Ising Model: Mean-Field And Monte Carlo Results For Equilibrium And Nonequilibrium Transitions, Kevin Scott Brown
The Two-Dimensional Ising Model: Mean-Field And Monte Carlo Results For Equilibrium And Nonequilibrium Transitions, Kevin Scott Brown
Honors Capstones
No abstract provided.