Fizik: Recent submissions

  • Spectral and scattering properties of point interactions 
    Altunkaynak, İsmet Barış. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Point interactions in all relevant dimensions are important to model short rangeinteractions in quantum mechanics. They are exactly solvable and play an important role in solid state, nuclear and atomic physics. In this ...
  • Scalar gauge theory on a cylinder 
    Bingöl, Elif. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    In this thesis we study the large Nc limit of SU(Nc) gauge theory coupled to ascalar field in the fundamental and adjoint representations on a cylinder, following the ideas of Rajeev. We use a different kind of light-cone ...
  • D.C. photoconductivity in As2Se3 thin films 
    Atak, Kaan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    In this thesis, the D.C. photoconductivity in amorphous thin films of As2Se3 is investigated. The temperature dependence of dark, and photo currents are explored at the interval 240 - 360 K. Three regimes are observed in ...
  • Noncommutative phase and the unitarization of the quantum group GL(2) 
    Kaynak, Burak Tevfik. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    In this thesis, a new *-operation (or unitarized form) is defined for the two-parameter quantum group GLp,q(2) in the case that pq is real, and the new group is denoted by Up,q(2). The most interesting aspect of our ...
  • Simulations and design of a prototype resistive plate chamber 
    Yıldızcı, Emre Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Resistive Plate Chambers (RPCs) are particle detectors used by a wide variety of experiments around the world to cover large detection areas as they have good spatial and time resolutions as well as an uncomplicated ...
  • A search for vector-like leptons in ATLAS Run 2 data 
    Örgen, Bora. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    The search for pair-produced heavy iso-singlet leptons predicted by Grand Unified Theory (GUT) based on group E6 is detailed in this study. The discovery channel through which the search has been conducted is pp→L_e L ...
  • Calibration of CMS luminometers using van der Meer and emittance scans 
    Çekmecelioğlu, Yusuf Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    The calibration for the CMS luminosity measurement for the 2018 LHC run is described. The principal calibration is derived from the analysis of the van der Meer scan program in CMS taken in LHC fill 6868 on June 30th–July ...
  • Construction and calibration of gaseous detectors at KAHVELab and CERN ATLAS experiment 
    Gürbüz, Saime. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Gaseous detectors detect particles that interact electromagnetically. With different geometries, they can be used for many purposes from small scale table-top experiments to high energy collider experiments. In this thesis, ...
  • In search of the axion particle with RF cavities in cast experiment at CERN 
    Özbozduman, Kaan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Axion is a pseudo scalar boson that is predicted to solve the strong CP problem and therefore cast light upon curious CP invariance of the strong nuclear interactions. It is also a promising candidate to be the building ...
  • Simulation of upgraded ATLAS RPC detector :|BIS7/8 geometry implementation 
    Nur, Havva Hasret. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    In this thesis, the new geometry for RPC detector planned for ATLAS HL-LHC Upgrade is implemented in AMDB and uploaded to the ATLAS Oracle Database in order to form the full ATLAS simulation. The simulation results have ...
  • Tissue imaging with scanning acoustic microscopy and raman spectroscopy 
    Parlak, Melita. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    The morphological and mechanical characteristics of tissues are critical in biology and medicine. Furthermore, external agents might cause various modi cations in the biological samples that alter the physiological properties. ...
  • The ultrasonic properties of colon cancer tissue 
    Yelken, Şerife Züleyha. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Cancer is the most threatening disease for human life. Therefore, diagnosis of cancer is very important. For cancer diagnosis, many medical imaging systems have been developed. Ultrasonic imaging is one of them. Colon ...
  • Aspects of nonrelativistic strong gravity 
    Hamamcı, Efe. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    We carry out the leading order (LO) large c expansion to GR in the presence of odd powers with the tools provided by Newton-Cartan (NC) gravity. As a result, a set of di eomorphism invariant LO equations are found. The odd ...
  • Archaelogical provenancing of marble by pore size analysis, using phase transition porosimetry 
    Öztürk, M. Kaan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Determination of the source of a particular marble sample is an ongoing subject of study among archaeometrists. In this study, categorization according to pore size distribution is suggested. The employed method for pore ...
  • AGT and elliptic higgsed networks 
    Ghoneim, Mohamed. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    In this thesis we want to introduce a current work in progress where elliptically deformed networks of DIM algebra intertwiners are used to obtain the partition function of 4d quiver gauge theories. To achieve this we start ...
  • Glass welding using custom developed femtosecond fiber laser for microfluidic device development 
    Alpakut, Gizem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Microfluidic chips made of different materials are utilized in numerous examination fields, as they make it possible to screen and study distinctive processes that happen in minuscule sizes. A typical microfluidic device ...
  • On cosmological supernova observations and alternative gravity theories 
    Feyzioğlu, Mehmet Akif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This thesis is about getting the most information from the cosmological super nova data about the expansion history of the homogeneous and isotropic universe, with the least possible set of assumptions. To this end, we fit ...
  • Radiation damage monitoring in Hadron Forward calorimetry 
    Zöğ, İrem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Placed at high absolute pseudorapidity, Hadron Forward (HF) calorimeters are exposed to high energy particles more than other parts of the CMS HCAL detector in CERN. Radiation resulting from high energy particles lead to ...
  • Changes in the extreme climatological events in the MENA region 
    Kartal, Alican. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Extreme weather events have been receiving increased attention because they provide striking examples of the changing climate. The last four years (2015-2018) have been the warmest years recorded. Temperature and precipitation ...
  • An attractive φ4 theory in light-front coordinates 
    Yalnız, Gökhan (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    We study an attractive φ4 interaction using Tamm-Dancoff truncation with light-front coordinates in 3 + 1 dimensions. The truncated theory requires a coupling constant renormalization, we compute its β function non-perturbatively, ...

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