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MINOS Sterile Neutrino Search

Description: The Main Injector Neutrino Oscillation Search (MINOS) is a long-baseline accelerator neutrino experiment designed to measure properties of neutrino oscillation. Using a high intensity muon neutrino beam, produced by the Neutrinos at Main Injector (NuMI) complex at Fermilab, MINOS makes two measurements of neutrino interactions. The first measurement is made using the Near Detector situated at Fermilab and the second is made using the Far Detector located in the Soudan Underground laboratory in … more
Date: September 1, 2009
Creator: Koskinen, David Jason & London, /University Coll.
Partner: UNT Libraries Government Documents Department
open access

Search for the Standard Model Higgs boson in the decay mode H-> WW-> lnulnu

Description: The question of the nature and principles of the universe and our place in it is the driving force of science since Mesopotamian astronomers glanced for the first time at the starry sky and Greek atomism has been formulated. During the last hundred years modern science was able to extend its knowledge tremendously, answering many questions, opening entirely new fields but as well raising many new questions. Particularly Astronomy, Astroparticle Physics and Particle Physics lead the race to answ… more
Date: September 1, 2009
Creator: Penning, B.
Partner: UNT Libraries Government Documents Department
open access

Neutral Supersymmetric Higgs Boson Searches

Description: In some Supersymmetric extensions of the Standard Model, including the Minimal Supersymmetric Standard Model (MSSM), the coupling of Higgs bosons to b-quarks is enhanced. This enhancement makes the associated production of the Higgs with b-quarks an interesting search channel for the Higgs and Supersymmetry at D0. The identification of b-quarks, both online and offline, is essential to this search effort. This thesis describes the author's involvement in the development of both types of b-taggi… more
Date: September 1, 2009
Creator: Robinson, Stephen Luke
Partner: UNT Libraries Government Documents Department
open access

Self-Consistent Cosmological Simulations of DGP Braneworld Gravity

Description: We perform cosmological N-body simulations of the Dvali-Gabadadze-Porrati braneworld model, by solving the full non-linear equations of motion for the scalar degree of freedom in this model, the brane bending mode. While coupling universally to matter, the brane-bending mode has self-interactions that become important as soon as the density field becomes non-linear. These self-interactions lead to a suppression of the field in high-density environments, and restore gravity to General Relativity… more
Date: September 1, 2009
Creator: Schmidt, Fabian & /Chicago U., Astron. Astrophys. Ctr. /KICP, Chicago
Partner: UNT Libraries Government Documents Department
open access

Energy Demands and Efficiency Strategies in Data Center Buildings

Description: Information technology (IT) is becoming increasingly pervasive throughout society as more data is digitally processed, stored, and transferred. The infrastructure that supports IT activity is growing accordingly, and data center energy demands haveincreased by nearly a factor of four over the past decade. Data centers house IT equipment and require significantly more energy to operate per unit floor area thanconventional buildings. The economic and environmental ramifications of continued data … more
Date: September 1, 2009
Creator: Shehabi, Arman
Partner: UNT Libraries Government Documents Department
open access

Construction and testing of the scintillating fibre trackers for MICE

Description: The discovery of neutrino mass through experimental evidence of neutrino oscillations at the end of the last century has provided the first proof that the Standard Model of particle physics is incomplete. To be able to extend the Standard Model to incorporate massive neutrinos first requires many theoretical uncertainties surrounding the particle and its interactions to be understood. Therefore, a dedicated experimental programme is needed over the coming decades to provide precision measuremen… more
Date: September 1, 2009
Creator: Fish, Aron
Partner: UNT Libraries Government Documents Department
open access

Precision measurement of the mass and width of the W boson at CDF

Description: A precision measurement of the mass and width of the W boson is presented. The W bosons are produced in proton antiproton collisions occurring at a centre of mass energy of 1.96 TeV at the Tevatron accelerator. The data used for the analyses is collected by the Collider Detector at Fermilab (CDF) and corresponds to an average integrated luminosity of 350 pb<sup>-1</sup> for the W width analysis for the electron and muon channels and an average integrated luminosity of 2350 pb<sup>-1</sup> for t… more
Date: September 1, 2009
Creator: Malik, Sarah Alam
Partner: UNT Libraries Government Documents Department
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