Fen Bilimleri Enstitüsü: Recent submissions

  • 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, ...
  • Tests of the front-end electronics for the Phase-I Upgrade of the CMS-HB calorimeter 
    Dönertaş, İzzeddin Suat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The Phase-I Upgrade of the CMS HB calorimeter is going to be implemented during the long shutdown 2 (LS2) for it to be ready for the second decade of LHC operations which aims to increase luminosity by an order of magnitude ...
  • Near infrared laser beam and silicon water interactions 
    Akşit Kaya, Elif Türkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    At 1070 nm wavelength, Nanosecond (ns) pulse and Continuous Wavelength (CW) lasers’ ablation of n-type(100) and p-type(111) Si wafer is presented in ambient, water and glycerin environments. Impacts of laser emission mode, ...
  • Accretion discs around compact objects 
    Ekşi, K.Yavuz. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Accretion onto a compact object is the process that is thought to power unexpectedly intense radiation of some astrophysical objects like Active Galactic Nuclei and X-Ray Binaries. A similar process is known to exist in ...
  • On the large c expansion of general relativity 
    Ergen, Mert. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This paper will start with the classical description of gravity. It will next explain the mathematical tools that will be used to carry classical gravity to a geometrical frame. After demonstrating the covariant formulation ...
  • XMN-Newton observations of toothbrush cluster of galaxies 
    Kara, Sinancan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Clusters of galaxies are the largest gravitationally bound systems in the Uni verse. Their immense gravitational potential holds 10’s to 100’s bright galaxies and also an intracluster medium (ICM) surrounding them. ICM ...
  • A compilation of dualities between 4D N=2 supersymmetric gauge theories and 2D conformal field theories 
    Kurşun, A. Kerem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this thesis AGT-W conjecture is reviewed. AGT conjecture is a phenomenon which is shown by Luis F. Alday, Davide Gaiotto and Yuji Tachikawa in their paper published in 2009. It relates the partition functions of both N ...
  • 3D optical profilometry with a double beam - splitter setup 
    Çetin, İsra Merve. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this thesis, it is demonstrated that a double beam splitter arrangement is very convenient and more practical to generate square shaped fringe patterns, and fringe distribution can be easily controlled in two dimensions. ...

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