Now showing items 1-20 of 1036

    • Parameter Scans and Machine Learning for beyond Standard Model Physics 

      Strümke, Inga (The University of Bergen, 2019-05-02)
      This thesis focuses on different beyond Standard Model theories, and the use of statistical methods to investigate them. Supersymmetry is considered in different contexts. First, the supersymmetry breaking scheme of ...
      Doctoral thesis
    • The response of permafrost and high latitude ecosystems under large scale stratospheric aerosol injection and its termination 

      Lee, Hanna; Ekici, Altug; Tjiputra, Jerry; Muri, Helene; Chadburn, Sarah E.; Lawrence, David M.; Schwinger, Jörg (AGU, 2019-04-15)
      Climate engineering arises as one of the potential methods that could contribute to meeting the 1.5oC global warming target agreed under the Paris Agreement. We examine how permafrost and high latitude vegetation respond ...
      Journal article
    • CO2-Foams for Enhanced Oil Recovery and CO2 Storage 

      Rognmo, Arthur Uno (The University of Bergen, 2019-03-01)
      Human prosperity, economic growth and energy supply have shown a strong positive correlation from the start of the industrial revolution until the present. During the 20th century, cheap and reliable energy from fossil ...
      Doctoral thesis
    • Fast Mie calculations with a radial basis function neural network 

      Stremme, Michael Jonas (The University of Bergen, 2019-02-22)
      Scattering phenomena have been of great interest and driving scientific advancement for centuries. Mie theory outlines a precise way to compute the scattering by spherical particles. However, the computational labor ...
      Master thesis
    • Evaluation of Dynamic Contrast Enhanced MRI in the Temporomandibular Joint in Children With Juvenile Idiopathic Arthritis 

      Starck, Lea Sjurine (The University of Bergen, 2019-01-31)
      Under the hypothesis that an inflammation in the temporomandibular joint (TMJ) is accompanied with increased vascularity [1,2], measures of the blood micro circulation can be indicative of inflammatory processes in ...
      Master thesis
    • Modelling and Simulation of materials for Photovoltaic applications 

      Rasukkannu, Murugesan (The University of Bergen, 2019-01-09)
      The global need for energy is predicted to double by 2050 and triple by the end of the 21st century. Today, fossil fuels are the primary source for energy supply in the world. However, the excessive consumption of fossil ...
      Doctoral thesis
    • Multivariate Data Analysis and Data Fusion Techniques for Modeling Spectroscopic Data During CO2 Capture with Amines 

      Armstrong, Adam Joshua (The University of Bergen, 2018-12-30)
      This master thesis is a collaboration between CO2 Technology Center Mongstad and the University of Bergen. The goal of the project was to use multivariate data analysis methods to generate predictive models for the total ...
      Master thesis
    • Search for pair and single production of vectorlike quarks in final states with at least one Z boson decaying into a pair of electrons or muons in pp collision data collected with the ATLAS detector at √s=13  TeV 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; Eigen, Gerald; Fomin, Nikolai; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Zalieckas, Justas; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; ATLAS, Collaboration (American Physical Society, 2018-12-20)
      A search for vectorlike quarks is presented, which targets their decay into a Z boson and a thirdgeneration Standard Model quark. In the case of a vectorlike quark T (B) with charge þ2=3e (−1=3e), the decay searched for ...
      Journal article
    • Elastic wave velocities and attenuation under methane hydrate growth in Bentheim sandstone - Measurements and modelling 

      Sæther, Mathias (The University of Bergen, 2018-12-18)
      Due to the potential for using methane hydrates as an energy source, localizing, monitoring and describing hydrate deposit areas are of interest. This has previously been attempted by using acoustic methods and thus ...
      Doctoral thesis
    • Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory 

      Øygard, Sigrid Husebø (The University of Bergen, 2018-12-18)
      Equinor has plans to develop a whale monitoring station using acoustic animal destiny estimation at their cabled ocean observatory, the LoVe Observatory, in Lofoten-Vesterålen basin. The fauna of this area is of remarkable ...
      Master thesis
    • Impact of variable proton relative biological effectiveness on estimates of secondary cancer risk in paediatric cancer patients 

      Grandemo, Vilde (The University of Bergen, 2018-12-12)
      Background: Proton therapy has an increased dose-conformity compared to conventional radiotherapy with photons, and paediatric cancer patients receiving cranio-spinal irradiation (CSI) are routinely referred to this treatment ...
      Master thesis
    • Investigating the energy yield of rain cells 

      Sigurdsson, William Nævdal (The University of Bergen, 2018-12-08)
      Harvesting energy from rain has been done indirectly for hundreds of years by building dams or reservoirs. Recently, research has been made into gathering energy from individual raindrops. One of the discovered methods ...
      Master thesis
    • Inclusive J/ψ cross section in proton-proton collisions at the center-of-mass energy 13TeV with ALICE 

      Lofnes, Ingrid Mckibben (The University of Bergen, 2018-12-07)
      This thesis describes the inclusive cross section measurement of the J/ψ meson in the di-electron channel measured at mid-rapidity in proton-proton collisions at the center-of-mass energy 13 TeV. The analyzed data sample ...
      Master thesis
    • Modelling of Low Salinity Surfactant Polymer Coreflood Experiments 

      Nerbøvik, Sivert Mordal (The University of Bergen, 2018-12-07)
      In recent years, there has been a growing interest in the effect of varying brine composition during waterflooding. Several studies on low salinity water injection have been conducted, and the results indicate a potential ...
      Master thesis
    • Search for new phenomena in events with same-charge leptons and b-jets in pp collisions at √s=13TeV with the ATLAS detector 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; Eigen, Gerald; Fomin, Nikolai; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Zalieckas, Justas; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; ATLAS, Collaboration (Springer, 2018-12-07)
      A search for new phenomena in events with two same-charge leptons or three leptons and jets identified as originating from b-quarks in a data sample of 36.1 fb−1 of pp collisions at √ s = 13 TeV recorded by the ATLAS ...
      Journal article
    • Characterization of the ALPIDE chip with Helium-4 ions for Proton Computed Tomography 

      Huiberts, Simon Kristian (The University of Bergen, 2018-12-06)
      Particle therapy has become an appealing therapeutic option for patients with various tumor types. The physical properties of charged particles allow for an improved dose distribution conformality compared to conventional ...
      Master thesis
    • Estimating the Rate of Cessation of Magnetospheric Activity in AMPERE Field‐Aligned Currents 

      Moretto, T; Hesse, Michael; Vennerstrøm, Susanne; Tenfjord, Paul (Wiley, 2018-12)
      The decay of magnetospheric activity when driving is turned off (to a minimum) was measured in total field‐aligned current estimates from the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) ...
      Journal article
    • Search for Higgs boson pair production in the γγWW∗channel using pp collision data recorded at √s=13TeV with the ATLAS detector 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; Eigen, Gerald; Fomin, Nikolai; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Zalieckas, Justas; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; ATLAS, Collaboration (Springer, 2018-12)
      Searches for non-resonant and resonant Higgs boson pair production are performed in the γγWW∗ channel with the final state of γγℓνjj using 36.1 fb−1 of proton–proton collision data recorded at a centre-of-mass ...
      Journal article
    • Semirelativistic Schrödinger Equation for Relativistic Laser-Matter Interactions 

      Kjellsson Lindblom, Tor; Førre, Morten; Lindroth, Eva; Selstø, Sølve (American Physical Society, 2018-12)
      A semirelativistic formulation of light-matter interaction is derived using the so called propagation gauge and the relativistic mass shift. We show that relativistic effects induced by a superintense laser field can, to ...
      Journal article
    • Signal mixture estimation for degenerate heavy Higgses using a deep neural network 

      Kvellestad, Anders; Mæland, Steffen; Strümke, Inga (Springer, 2018-12)
      If a new signal is established in future LHC data, a next question will be to determine the signal composition, in particular whether the signal is due to multiple near-degenerate states. We investigate the performance of ...
      Journal article