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    • Centre for High Energy Physics (CHEP)
    • Browsing Centre for High Energy Physics (CHEP) by Title
    •   etd@IISc
    • Division of Physical and Mathematical Sciences
    • Centre for High Energy Physics (CHEP)
    • Browsing Centre for High Energy Physics (CHEP) by Title
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    Browsing Centre for High Energy Physics (CHEP) by Title

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    Now showing items 38-57 of 65

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      • On Hypergeometric solutions of Feynman integrals using Mellin-Barnes Integrals with Applications 

        Banik, Sumit
        Experimental measurements of physical observables in particle colliders rely on high-precision theoretical calculations to validate the predictions of any theoretical model and detect signals of new physics. These theoretical ...
      • Phenomenological Explorations in Dark Matter 

        Chatterjee, Shiuli
        The previous decade has seen an explosive increase in explorations into the nature of dark matter (DM) encompassing astrophysical, particle and cosmological probes. We face today a large body of gravitational evidences ...
      • Probing Higgs Boson Interactions At Future Colliders 

        Biswal, Sudhansu Sekhar (2010-11-11)
        We present in this thesis a detailed analysis of Higgs boson interactions at future colliders. In particular we examine, in a model independent way, the sensitivity of an Linear Collider in probing the interaction of ...
      • Probing the Beyond Standard Model Physics in Top Quark and Dark Matter Sectors 

        Mendiratta, Gaurav (2018-05-22)
        The Standard Model (SM) of particle physics provides the theoretical framework to describe the fundamental interactions among elementary constituents of matter. SM is supported by experiments to a high degree of accuracy, ...
      • Prompt and Displaced Signatures of Physics Beyond the Standard Model 

        Sengupta, Rhitaja
        The quest to understand our Universe’s fundamental particles and their interactions has led us to the Standard Model (SM) of particle physics. Despite successfully explaining the weak, electromagnetic, and strong ...
      • Proposals for probing BSM in unexplored corners of Top physics and Next-to-Minimal Supersymmetric Standard Model (NMSSM) 

        De, Amandip
        Despite its triumphs, the Standard Model (SM) fails to address many experimental observations and theoretical puzzles. Explanation of these necessitates postulation of new physics beyond those in the SM (BSM). The thesis ...
      • Quantum dynamics of weak measurements: Understanding the Born rule and applying weak error correction 

        Kumar, Parveen
        Projective measurement is used as a fundamental axiom in quantum mechanics, even though it is discontinuous and cannot predict which measured operator eigen state will be observed in which experimental run. The probabilistic ...
      • Quantum Spin Chains And Luttinger Liquids With Junctions : Analytical And Numerical Studies 

        Ravi Chandra, V (2010-03-09)
        We present in this thesis a series of studies on the physical properties of some one dimensional systems. In particular we study the low energy properties of various spin chains and a junction of Luttinger wires. For spin ...
      • Quantum walks and spatial search on regular graph 

        Abhijith, J
        Random walks and algorithms based upon them are used widely to explore large state spaces that arise while studying physical systems. In this thesis, we will discuss some quantum generalizations of such algorithms and study ...
      • Randall-Sundrum Model as a Theory of Flavour 

        Iyer, Abhishek Muralidhar (2018-04-11)
        The discovery of the Higgs boson by the LHC provided the last piece of the puzzle neces- sary for the Standard Model (SM) to be a successful theory of electroweak scale physics. However there exist various phenomenological ...
      • Renormalization Group Summation at High Orders and Implications to the Determination of Some Standard Model Parameters 

        Alam Khan, Mohd Siddique Akbar
        In perturbation theory, predictions from theories like Quantum Chromodynamics (QCD) are obtained by evaluating Feynman diagrams to high orders. Such calculations for re sults for various processes are already available ...
      • Search for dark matter produced in association with a Higgs boson decaying to a pair of bottom quarks in proton-proton collisions at √s= 13 TeV using CMS 2017 and 2018 data 

        Kumar, Deepak
        The discovery of the Higgs boson has opened a new portal to search for Dark Matter(DM). Since DM does not interact in the CMS detector, searches rely on the missing transverse energy in association with a visible SM ...
      • Search for dark matter produced in association with b-jets in  proton-proton collisions at √s = 13 TeV with the CMS detector using full  Run2 data 

        Tiwari, Praveen Chandra
        A search for dark matter particles in the events containing large missing transverse energy accompanied by b-quarks has been performed. The data collected by the Compact Muon Solenoid detector at the Large Hadron Collider ...
      • Search for Long-Lived Particles at High Luminosity Large Hadron Collider and Beyond 

        Solanki, Prabhat
        Despite extensive searches, clear indications of new physics beyond the Standard Model (BSM) remain elusive. Traditionally, experimental searches at the Large Hadron Collider (LHC) during Phase I and phenomenological studies ...
      • Searches for Higgs boson pair production in bbbb and bbgammagamma final states at Compact Muon Solenoid detector 

        Panwar, Lata
        The discovery of the Higgs boson makes the Standard Model (SM) a promising theory to understand fundamental physics. Despite its progress, the theory does not explain many observed phenomena such as dark matter and hierarchy ...
      • Some investigations into algebraic and geometric properties of Feynman integrals and related topics 

        Das, Abhijit
        We describe our investigations into various formal properties of Feynman integrals and of scattering amplitudes obtained from studying algebraic structures. There are variety of ways to study these properties. Out of which, ...
      • Some investigations into the methods and applications of modern Feynman Integral evaluation 

        Datta, Sudeepan
        Feynman Integrals appear in perturbative quantum field theories and have been the focus of intensive study for over half a century. With the rise of the Standard Model of particle physics and its various extensions and the ...
      • Some phenomenological studies of the Higgs boson(s) in the Standard Model and beyond 

        Adhikary, Amit
        The fundamental particles and their interactions are described by the Standard Model (SM) of particle physics. Various experiments has been performed over the years and they indicate towards the consistency of the SM with ...
      • Studies of Feynman and Related Integrals and their Hypergeometric Connection using the Method of Brackets, Algebraic Relations and Singularity Analysis 

        Pathak, Tanay
        Feynman integrals are special kind of integrals that arise in perturbative quantum field theory and are often very difficult to evaluate in terms of known functions of mathematical physics. At times some of the methods ...
      • Studies of Topological Phases of Matter : Presence of Boundary Modes and their Role in Electrical Transport 

        Deb, Oindrila (2018-05-21)
        Topological phases of matter represent a new phase which cannot be understood in terms of Landau’s theory of symmetry breaking and are characterized by non-local topological properties emerging from purely local (microscopic) ...

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