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    • A Comparative Study of Radiation Environment and Secondary Dose Production in a Particle Therapy Treatment Room Applying Proton, Helium and Carbon Ion Beams 

      Sølie, Jarle Rambo (Master thesis, 2015-11-20)
      A treatment room used for radiotherapy is generally heavily shielded and has to fulfil and abide to strict rules and regulations in order to ensure the safety and health of hospital personnel and the general public that ...

    • A Comparative Study on the Influence of Obstacles on Flame Propagation in Dust and Gas Mixtures. An experimental study of confined and vented scenarios in a 3.6 meter flame acceleration tube 

      Olsen, Kjetil Lien (Master thesis, 2012-06-01)
      This thesis describes an experimental investigation of flame propagation in a 3.6-meter Flame Acceleration Tube (FAT) with square 0.27m x0.27m cross section. The experiments in the FAT took place at the premises of GexCon ...

    • Comparative study on the uniform energy deposition achievable via optimized plasmonic nanoresonator distributions 

      Csete, , M.; Szenes, A.; Toth, E.; Vass, D.; Fekete, O.; Banhelyi, B.; Papp, Istvan; Biró, Tamás S.; Csernai, László Pál; Kroo, N (Journal article; Peer reviewed, 2022)
      Plasmonic nanoresonators of core–shell composition and nanorod shape were optimized to tune their absorption cross-section maximum to the central wavelength of a short laser pulse. The number density distribution of randomly ...

    • Comparing the effects of solar-related and terrestrial drivers on the northern polar vortex 

      Salminen, Antti; Maliniemi, Ville Aleksi; Asikainen, Timo; Mursula, Kalevi (Journal article; Peer reviewed, 2020)
      Northern polar vortex experiences significant variability during Arctic winter. Solar activity contributes to this variability via solar irradiance and energetic particle precipitation. Recent studies have found that ...

    • Comparing Three Approaches to the Inducing Source Setting for the Ground Electromagnetic Field Modeling due to Space Weather Events 

      Marshalko, Elena; Kruglyakov, Mikhail; Kuvshinov, Alexey; Juusola, Liisa; Kwagala, Norah Kaggwa; Sokolova, Elena; Pilipenko, Vyacheslav (Journal article; Peer reviewed, 2020)
      Ground-based technological systems, such as power grids, can be affected by geomagnetically induced currents (GIC) during geomagnetic storms and magnetospheric substorms. This motivates the necessity to numerically simulate ...

    • Comparison of burning velocity differences in a numerical explosion simulator 

      Vik, Knut-Arne (Master thesis, 2014-06-02)
      A verification study of the two flame models in the numerical explosion simulation tool FLACS has been conducted. The beta flame model, and the SIF flame model has been tested in a 1D-channel at different time step sizes. ...

    • Comparison of fragmentation functions for jets dominated by light quarks and gluons from pp and Pb+Pb collisions in ATLAS 

      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; Djuvsland, Julia Isabell; 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; ATLAS, Collaboration (Peer reviewed; Journal article, 2019)
      Charged-particle fragmentation functions for jets azimuthally balanced by a high-transverse-momentum, prompt, isolated photon are measured in 25 pb − 1 of p p and 0.49 nb − 1 of Pb + Pb collision data at 5.02 TeV per nucleon ...

    • Comparison of methods for finding the capacitance of a supercapacitor 

      Helseth, Lars Egil (Journal article; Peer reviewed, 2021)
      A carbon-based supercapacitor is usually associated with a capacitance such that the user can access its ability to store electrical charge. Three different measurement methods or variations thereof are typically employed ...

    • Comparison of planar and 3D silicon pixel sensors used for detection of low energy antiprotons 

      Gligorova, Angela; Holmestad, Helga Margrete; Huse, Torkjell; Kaltenbacher, Thomas; Pacifico, Nicola; Røhne, Ole Myren; Sandaker, Heidi; Zmeskal, Johann (Peer reviewed; Journal article, 2014-12)
      The principle aim of the AEḡIS experiment at CERN is to measure the acceleration of antihydrogen due to Earth’s gravitational field. This would be a test of the Weak Equivalence Principle, which states that all bodies fall ...

    • Comparison of Quality Measures for Walén Relation 

      Paschmann, G; Sonnerup, B. U. Ö.; Haaland, Stein; Phan, T.D.; Denton, Richard E (Journal article; Peer reviewed, 2020)
      The standard method for identifying magnetohydrodynamic rotational discontinuities in spacecraft data has been to examine how well the Walén relation is satisfied. In this paper, we apply two different versions of the Walén ...

    • Comparison of relative biological effectiveness in passive scattering- and pencil beam scanning proton therapy of pediatric cancer 

      Sandnes, Lars (Master thesis, 2020-06-30)

    • Comparison of residual oil cluster size distribution, morphology and saturation in oil-wet and water-wet sandstone 

      Iglauer, Stefan; Fernø, Martin; Shearing, Paul; Blunt, Martin (Peer reviewed; Journal article, 2012-06-01)
      We imaged an oil-wet sandstone at residual oil saturation (Sor) conditions using X-ray micro-tomography with a nominal voxel size of (9 μm)3 and monochromatic light from a synchrotron source. The sandstone was rendered ...

    • Complex S3-symmetric 3HDM 

      Kunčinas, A.; Øgreid, Odd Magne; Osland, Per; Rebelo, M.N. (Journal article; Peer reviewed, 2023)
      CP violation plays a very important role in nature with implications both for Particle Physics and for Cosmology. Accounting for the observed matter-antimatter asymmetry of the Universe requires the existence of new sources ...

    • Comprehensive measurements of \(t\)-channel single top-quark production cross sections at \(\sqrt{s} = 7\) TeV with the ATLAS detector 

      Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Martin dit Latour, Bertrand; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Smestad, Lillian; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Franconi, Laura; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Henso; Abreu, Rômulo F.; Adamczyk, Leszek; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Åkerstedt, Henrik; Åkesson, Torsten P.A.; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-12-11)
      This article presents measurements of the \(t\).channel single top-quark \(t\) and top-antiquark \(\bar{t}\) total production cross sections \(\sigma(tq)\) and \(\sigma(\bar{t}q)\). their ratio \(R_{t}=\sigma(tq)/\si ...

    • Compressional wave phase velocity measurements during hydrate growth in partially and fully water saturated sandstone 

      Sæther, Mathias Myrtveit; Almenningen, Stian; Ersland, Geir; Lunde, Per (Journal article; Peer reviewed, 2022)
      The compressional wave phase velocity (cP) has been measured as a function of hydrate saturation (SH) during hydrate growth in Bentheim sandstone. The Fourier spectrum signal processing technique was used to specifically ...

    • Computational fluid dynamics simulations of hydrogen releases and vented deflagrations in large enclosures 

      Lucas, Melodia; Hisken, Helene; Skjold, Trygve (Peer reviewed; Journal article, 2020-01)
      This paper presents model predictions obtained with the CFD tool FLACS for hydrogen releases and vented deflagrations in containers and larger enclosures. The paper consists of two parts. The first part compares experimental ...

    • Condensation of water on rust surfaces, and possible implications for hydrate formation in pipelines 

      Bøe, Christian Anders (Master thesis, 2011-06-01)
      The threat of climate change has put the spotlight on the increase in carbon emissions and possible methods to attenuate it. As a consequence of this, oil and gas companies have started to consider both how to reduce ...

    • Cone-Size Dependence of Jet Suppression in Heavy-Ion Collisions 

      Mehtar-Tani, Yacine; Pablos Alfonso, Daniel; Tywoniuk, Konrad (Journal article; Peer reviewed, 2021)
      The strong suppression of high-pT jets in heavy-ion collisions is a result of elastic and inelastic energy loss suffered by the jet multiprong collection of color charges that are resolved by medium interactions. Hence, ...

    • Configuration and performance of the ATLAS b-jet triggers in Run 2 

      Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Ossama Sherif Alexander; Abraham, Nadine L.; Abramowicz, Halina; Bjørke, Kristian; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Garonne, Vincent; Gramstad, Eirik; Heggelund, Andreas; Hellesund, Simen; Håland, Even Simonsen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Rye, Eli Bæverfjord; Røhne, Ole Myren; Sandaker, Heidi; Vadla, Knut Oddvar Høie; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Fomin, Nikolai; Latour, Bertrand Pascal Christian; Lee, Graham Richard; Lipniacka, Anna; Stugu, Bjarne Sandvik; Træet, Are Sivertsen; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; Affolder, Anthony Allen; ATLAS, Collaboration (Journal article; Peer reviewed, 2021)
      Several improvements to the ATLAS triggers used to identify jets containing b-hadrons (b-jets) were implemented for data-taking during Run 2 of the Large Hadron Collider from 2016 to 2018. These changes include reconfiguring ...

    • Confining the angular distribution of terrestrial gamma ray flash emission 

      Gjesteland, Thomas; Østgaard, Nikolai; Collier, A. B.; Carlson, B. E.; Cohen, M. B.; Lehtinen, N. G. (Peer reviewed; Journal article, 2011-11-11)