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Browsing Physics - Bachelor's degree by Title

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Browsing Physics - Bachelor's degree by Title

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  • Identifying boosted objects with N-subjettiness and linear k-means clustering 
    Van Tilburg, Ken (Massachusetts Institute of Technology, 2011)
    In this thesis, I explore aspects of a new jet shape - N-subjettiness - designed to identify boosted hadronically-decaying objects (with a particular focus on tagging top quarks) at particle accelerators such as the Large ...
  • Imaging the invisible : constraining dark matter distributions in galaxy clusters using strong gravitational lensing 
    Corless, Virginia Leigh (Massachusetts Institute of Technology, 2005)
    In this thesis, I design and construct a Monte-Carlo gravitational lensing simulation that statistically studies the strong lensing of extended galactic sources by dark matter distributions in galaxy clusters, using recent ...
  • Imaging the two gaps of the high temperature superconductor Pb-Bi₂Sr₂CuO₆₊x 
    Yi, Ming, S.M. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2007)
    The nature and behavior of electronic states in high temperature superconductors are the center of much debate. The pseudogap state, observed above the superconducting transition temperature Tc, is seen by some as a precursor ...
  • Implementation and performance evaluation of a GPU particle-in-cell code 
    Payne, Joshua Estes (Massachusetts Institute of Technology, 2012)
    In this thesis, I designed and implemented a particle-in-cell (PIC) code on a graphical processing unit (GPU) using NVIDA's Compute Unified Architecture (CUDA). The massively parallel nature of computing on a GPU nessecitated ...
  • Implementation of scattering pinhole diagnostic for detection of fusion products on CR-39 at high particle fluence 
    Orozco, David, S.B. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2014)
    Many Inertial Confinement Fusion (ICF) experiments use solid-state nuclear track detector CR-39 as a means to detect different types of nuclear products. Until recently, it was difficult to use CR-39 in experiments with ...
  • Implementation of side-fringe locking in an SHG cavity 
    Moore, Sam, S.B. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2016)
    An alternative method for locking a second-harmonic generation (SHG) cavity on resonance is described and implemented. The usual method, Pound-Drever-Hall locking, is prone to long-term power fluctuations from power ...
  • Impulse damping in structural materials 
    Gessel, David Jacob (Massachusetts Institute of Technology, 1990)
  • Incoherent scatter radar detection of enhanced plasma line in ionospheric E-region over Arecibo 
    Pradipta, Rezy (Massachusetts Institute of Technology, 2006)
    A series of incoherent scatter radar (ISR) observation were conducted at the Arecibo Observatory from December 27, 2005 until January 3, 2006. From plasma line measurements that were taken during this radar campaign, we ...
  • Infrared photoconductive PbTe film processing and oxygen sensitization 
    Klingshim, Christopher J (Massachusetts Institute of Technology, 2015)
    Infrared (IR) thermal detectors and photodetectors have significant applications including thermal imaging, infrared spectroscopy and chemical and biological sensing. In this work we focus on photodetectors, which typically ...
  • Initial analysis towards a measurement of the branching fractions B [right arrow] [rho][gamma] and B [right arrow] [omega][gamma] 
    Bright, Molly (Molly Gallogly) (Massachusetts Institute of Technology, 2006)
    The Standard Model of particle physics predicts the existence of the "Unitary Triangle," which graphically relates the matrix elements of the Cabbibo Kobayashi Maskawa matrix and describes the strength of transformations ...
  • An injection-locked 674 nm laser for Strontium-88 ion trapping 
    Katz, Rena J. (Rena Jenelle) (Massachusetts Institute of Technology, 2012)
    Energy levels of the valence electron of a single trapped ⁸⁸Sr+ ion can be harnessed as an effective qubit for quantum information processing. The qubit transition to a metastable energy state can be stimulated by a laser ...
  • Instabilities of rotating jets 
    Zahniser, Russell, 1982- (Massachusetts Institute of Technology, 2004)
    When a jet of water is in free fall, it rapidly breaks up into drops, since a cylinder of water is unstable. This and other problems involving the form of a volume of water bound by surface tension have yielded a wealth ...
  • Instrumentation and algorithms for electrostatic inverse problems 
    Strachan, John Paul, 1978- (Massachusetts Institute of Technology, 2001)
    This thesis describes tracking objects with low-level electric fields. A physical model is presented that describes the important interactions and the required mathematical inversions. Sophisticated hardware used to perform ...
  • Intense spreading of radar echoes from ionospheric plasmas 
    Dorfman, Seth E (Massachusetts Institute of Technology, 2005)
    On December 25, 2004, a large-scale ionospheric plasma bubble was observed over Arecibo Observatory in Puerto Rico, inducing significant range spreading on ionograms. This phenomena may be explained by means of the E x B ...
  • Interactions of neutrons with silicon CCD chips 
    Sahin, Timur Cemal (Massachusetts Institute of Technology, 2011)
    Dark matter makes up approximately 22% of the energy density of the universe and as much as 83% of its matter composition. Despite its ubiquitous nature, it remains incredibly difficult to detect due to the weakness of its ...
  • The interior Casimir problem 
    Zaheer, Saad (Massachusetts Institute of Technology, 2009)
    We study the electromagnetic Casimir interaction of a metallic compact object with a compact and bounded metallic surface in which it is contained. We express the interaction energy in terms of the objects' scattering ...
  • Interrogating the void : the difficulty of extracting information from many-body systems 
    Diab, Kenan S. (Kenan Sebastian) (Massachusetts Institute of Technology, 2011)
    In this thesis, I will explore some of the ways the information-theoretic properties of quantum many-body systems can be analyzed. I do this in two different settings. First, I will describe an approach to the "scrambling ...
  • Intersecting brane landscape 
    Rosenhaus, Vladimir (Massachusetts Institute of Technology, 2009)
    This thesis studies intersecting brane models, which are a class of quasi-realistic compactifications of string theory. Techniques are developed for exploring the complete space of intersecting brane models on an orientifold. ...
  • Investigating noise reduction in an octave-spanning Ti:sapphire laser 
    Grandke, Annemarie N. (Annemarie Nina), 1983- (Massachusetts Institute of Technology, 2004)
  • Investigating physical properties of novel carbon-based materials 
    Demir, Nasser Soliman, 1982- (Massachusetts Institute of Technology, 2004)
    In this thesis, we present the results of studies of physical properties in three classes of novel carbon-based materials: carbon aerogels, single-walled carbon nanotubes, and high thermal conductivity graphitic foams. The ...
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