Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 186 for “"Initial State"”.
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Factorization at the LHC : from PDFs to initial state jets
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2010.
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Characterization of the initial-state and propagation of fluctuations in heavy-ion collisions
The aim of this thesis is to develop an initial state characterization for heavy-ion collisions as well as a characterization of fluctuations arising from the initial-state energy density and their propagation into the final state.<br /><br /> In the first main part of the thesis we will set the …
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Investigations of initial state effects in p+Pb collisions via dijet measurement with the atlas detector
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-05-01
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Specific optimal control using stochastic approximation
… control problem. Because of the effect of the initial state of a system on the solution, it is desired to obtain a specific optimal controller which will be optimum in a well-defined sense for a region of initial states. The problem is formulated by first assuming the initial state to be a …
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Verification and Enforcement of State-Based Notions of Opacity in Discrete Event Systems
… and analyze the complexity of verifying various state-based notions of opacity in systems that are modeled as (possibly non-deterministic) finite automata with partial observation on their transitions. Assuming that the intruder observes system activity through some projection map and has …
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Vector boson production with the ALICE detector
… dependent and thus they are affected by the initial state effects. Initial state effects include isospin, Fermi motion, EMC effect, shadowing and nuclear absorption. Hence their production in lead-lead (Pb-Pb) and proton-lead (p-Pb) collisions can be used to test some of these initial state …
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An analysis of laminar jet reattachment: reattachment distance as a function of Reynolds number
… was considered in the analysis as well as the initial state of development of the reattaching jet. The assumption was also made that reattachment angle was independent of Reynolds number for a given plate inclination. A general solution was developed in which reattachment distance was …
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Infrared subtraction at next-to-next-to-leading order for gluonic initial states
… processes with coloured particles in the initial state, and in particular two-jet production in hadron-hadron collisions at accelerators such as the Large Hadron Collider (LHC). We derive explicit formulae for subtracting the single and double unresolved contributions from the double …
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Algorithmic Quantum-State Generation for Simulating Quantum Field Theories on a Quantum Computer
… computer comprises three steps: generating an initial state, simulating time evolution and measuring observables, with the initial-state generation being the most expensive step for the entire simulation. In this thesis, we introduce a general framework for simulating a QFT on a quantum …
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Anisotropic Flow Measurement in Ultra-Central Pb-Pb Collisions For Run 10 and Run 11 by ALICE
… become deconfined from their typical hadronic states. This unique state of matter is known as the Quark-Gluon Plasma (QGP). The collective flow of the system plays a critical role in establishing the equation of state of the QGP. Among different orders of azimuthal flow, the second order …
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Time-dependence of ionization and excitation by intense, short electric pulses
… to the time scale of the electron orbit in its initial state. The peak electric fields are mostly in the strong-field regime, although the weak-field case is considered as well. <br> <br>Several complementary methods are used to attack the above problem - numerical, semianalytic and analytic. In …
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QCD Boltzmann equation: beyond the soft-scattering approximation
… evolution of a hot (quark-) gluon plasma from an initial state towards equilibrium. To that end, we investigate the QCD Boltzmann equation making use of a calculation scheme that reproduces the known result for scalar interactions and generalizes to a QCD interaction, under an approximation of …
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Characterization of jets in heavy ion collisions using photons at the LHC with the CMS detector
… is made. Photons are used to measure the initial state of a color-charged probe while jet reconstruction is used to measure the final state. Significant loss of energy to the medium as a function of initial parton momentum is observed, while no significant angular deflection is found.
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Biased learning of phonological alternations
What is the initial state of the grammar when children begin to figure out patterns of phonological alternations? This thesis documents the developmental stages of children acquiring Korean verb and noun paradigms, and provides a unified account using the initial Output-Output correspondence …
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Modelling the algebra of weakest preconditions
… played a major role in all contexts. Namely: Initialisation properties: An execution of a program always, sometimes or never starts from an initial state. Termination/nontermination properties: If it starts, the execution always, sometimes or never terminates. Clean-/messy termination …
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Asymptotic properties of solutions of a KdV-Burgers equation with localized dissipation
… appropriate assumption appropriate assumption on initial states w(x, 0), the nonlinear system is well-posed and its solutions decay exponentially to the mean value of the initial state in H1(O, 1) as t -> +".
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Prandtl-Meyer expansion of an ionizing monatomic gas
… Expressions describing the thermodynamic state of the gas mixture were obtained from statistical mechanics, the components making up the mixture being considered as perfect gases. Expressions describing the kinetic behavior of the ionizing-recombining gas mixture, using J. J. Thomson's …
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Entanglement and control of quantum states
… mode radiation field in arbitrary pure quantum states via resonant inter- action with a sequence of two-level atoms.The preparation is achieved by choosing an appropriate (in general entangled)initial state of the atomic sequence,and does neither require a final state measurement of the atoms,nor …
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CP violation in flavor-tagged Bs̳ --> J/[psi][phi] decays
… of Bs -+ J/,0 decays performed with the use of initial-state flavor tagging. CP violation is observed in this mode through the interference of decay without net mixing and decay with net mixing, that is, Bs -- J/0 and Bs -+ B, -+ J/q0. The time-dependent angular analysis is used to extract the …
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Pitch-Control Predictor-Corrector and Neural Network Ascent Guidance
… in atmosphere, thrust, aerodynamics and initial state are presented and compared to trajectories optimized for maximum injected weight.
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