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Interfacial effects on the chiral domain walls in ultrathin PT/CO/ALOₓ heterostructures for the futuristic spintronics devices
(2023-05)
Heavy metal /ferromagnet/metal oxide heterostructures are important due to their immense prospects for establishing spin textures such as chiral domain walls which are the basic ingredient of low power and capacious ...
Modeling the ionizing radiation environment in Earth's atmosphere
(2021-05)
The constant bombardment of the Earth by cosmic radiation leads to an atmospheric radiation environment comprised of many species of energetic secondary particle. Aside from carrying out full Monte Carlo simulations from ...
Searches for new physics with top quarks in the final state and measurement of the differential cross-section of ttbar production in association with additional heavy flavor jets
(2022-05)
The Standard Model of particle physics is the most successful theory of elementary particles and their interactions. However, it does not describe some phenomena observed in the experiment, like the presence of dark matter ...
Development of lanthanide-doped CaSO4 for temperature sensing applications and 64Cu-doped gold nanoparticles for radiosensitization
(2019-07)
The objective of this work was to develop two different materials; lanthanide-doped CaSO4 (CSO) and Cu@Au gold nanoparticles (GNPs) for particle temperature sensing and biomedical applications, respectively.
Determination of the energy spectra of clinical x-ray beams using dose-depth data sets
(2018-05)
A method to determine the energy spectra of clinical x-ray beams based on dose-depth datasets measured in the absorber of known composition and thicknesses was developed, implemented by a computer and tested. An iterative ...
Comparison of plastics used in tissue equivalent proportional counters (TEPC) and development of a balloon borne TEPC
(2012-12)
This study investigates alternatives to A-150 tissue equivalent plastic for use in the construction of tissue equivalent gas-filled detectors for the measurement of dosimetric quantities. This study looks at four different ...
Fermion masses and mixings, Leptogenesis and baryon number violation in unified theories
(2017-07)
In this dissertation, we study physics beyond the Standard Model (SM) of particle physics to incorporate some of its unexplained phenomenon. Grand Unified Theories (GUTs) are natural extensions of the SM, since gauge ...
Role of cosmic rays in lightning initiation
(2014-07)
From electric field measurements, the maximum electric fields typically found within a thunderstorm are an order of magnitude too weak to initiate a lightning discharge. Relativistic electrons produced in galactic cosmic ...
Neutrinos: A gateway to beyond the standard model
(2021-07)
The Standard Model (SM) of particle physics based on the gauge group $ SU(3) \otimes SU(2)_L \otimes U(1)_Y$ is very appealing as it describes physics at low energy quite spectacularly. However, it cannot be an ultimate ...
Atomic force microscopy methods for the analysis of high-let tracks in CR-39 plastic nuclear track detector
(2009-07)
Scope and Method of Study: Proton- and neutron-induced target fragmentation reactions generate short-range (~1-10 µm), high-linear energy transfer (LET) heavy nuclear recoil (HNR) particles that contribute to total radiation ...