Fizik: Recent submissions

  • 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 ...
  • 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, ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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. ...
  • Şimşek, Ebru. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This thesis studies the design and construction of Turkey’s first 1 MeV cyclotron. The iron yoke, electromagnets and vacuum chamber, which are its main components, have been constructed. Electrically insulated electromagnets ...
  • Yıldızcı, Zaynab Shahadad. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Resistive Plate Chambers (RPCs) are gaseous particle detectors that are used in various applications requiring coverage of large volumes with good time and position resolution, such as detection of muons in high-energy ...
  • Sunar, Ezgi. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    RF waves have key applications for particle accelerators in transmitting both sig nal and power. In this thesis, we summarize work covering both of these complementary functions of the RF waves, applied to two separate ...
  • Nizam, Ümmü Seleme. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The term Klein tunnelling refers to the counterintuitive phenomenon in which an incoming particle can perfectly transmit through a potential barrier even when the barrier height exceeds the particle’s rest energy. This ...
  • Şahin, Şelale. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this thesis we will give a review of maximally symmetric spacetimes. There are only three of these spacetimes namely, Minkowski, de Sitter and anti-de Sitter spacetimes represented with zero, positive and negative ...
  • Kocatürk, Eylem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In a radiology reading room, multiple flat displays are used for the comparison aspect. This approach increases the overall expense and also requires more space. So, virtual reality techniques can be applied to teleradiology. ...
  • Ergenlik, Ezgi. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    As a part of the research being carried out at Bogazici University, Kandilli Detector, Accelerator And Instrumentation Laboratory, there was a need for beam parameter-measurement devices and tools such AC current transformer ...
  • Ünel, Meltem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this work, we analyze a two-level system coupled to an arbitrary number of bosons with a relativistic dispersion relation in a static background metric while ignoring pair creation processes. One can obtain a non-perturbative ...
  • İstemihan, Zehra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    A Delay Wire Chamber (DWC) is a gaseous particle detector which enables detection of charged particles and their trajectories. They are preferred as they provide good position resolution inexpensively and due to their ease ...
  • Erkut, M. Hakan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    AE Aquarii, a DQ Her type Cataclysmic Variable X-ray binary system, is observed with rosat, PSPC in the energy range 0.1-2.4 keV with a total of 5.74 hr period. As a result of spectral and timing analyses of the ROSAT X-ray ...
  • Şimşek, Kadir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Magnetic resonance imaging (MRI) have been advanced signi cantly since its discovery, especially in imaging soft biological structures. One of the most studied and improved technique in this eld is di usion MRI consisting ...
  • Göktürk, Berare. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this thesis, we describe a search for heavy iso-singlet quarks that is foreseen by F. Gürsey, P. Sikivie, P. Ramond’s E6 grand unification model, through the pp → D ¯DX → HjZjX → 4j2`X flavor-changing neutral current decay ...
  • Tok, Tarık. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this thesis, the Dirac delta potential on a one dimensional infinite lattice structure [2] and its band gaps [3] are reviewed. Then, Green’s function and regu larization & renormalization process for the bound states in ...

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