• Origin and development of the Godbert-Greenwald furnace for measuring minimum ignition temperatures of dust clouds 

  Eckhoff, Rolf Kristian (Journal article; Peer reviewed, 2019)

  Hot surfaces that can ignite explosible dust clouds can occur in various process situations in industry, e.g. inside furnaces, burners and dryers of various kinds. Hot surfaces can also be generated accidentally e.g. by ...

• Ion Behaviors in the Reconnection Diffusion Region of a Corrugated Magnetotail Current Sheet 

  Wang, Shan; Chen, Li-Jen; Bessho, Naoki; Hesse, Michael; Giles, Barbara L; Moore, Thomas E (Journal article; Peer reviewed, 2019)

  The current sheet structure and ion behaviors in a magnetotail reconnection diffusion region are investigated. The multispacecraft analysis suggests a corrugated current sheet structure, interpreted as due to a flapping ...

• Oxidized Graphene on Ir(111): Wetting and Icephobic Properties Investigated on the Macroscopic and Atomic Scale 

  Kyrkjebø, Signe (Master thesis, 2020-08-09)

  Icing remains a huge challenge in a wide range of industries, from airplanes to optical sensors and wind turbines. Today's ice-combating approaches include thermal, mechanical, and chemical methods, which come with power, ...

• On the High‐Energy Spectral Component and Fine Time Structure of Terrestrial Gamma Ray Flashes 

  Marisaldi, Martino; Galli, M.; Labanti, C.; Østgaard, Nikolai; Sarria, David; Cummer, S. A.; Lyu, F.; Lindanger, Anders; Campana, R.; Ursi, A.; Tavana, M; Fuschino, F.; Argan, A.; Trois, A.; Pittori, C.; Verrecchia, F (Journal article; Peer reviewed, 2019)

  Terrestrial gamma ray flashes (TGFs) are very short bursts of gamma radiation associated to thunderstorm activity and are the manifestation of the highest‐energy natural particle acceleration phenomena occurring on Earth. ...

• Numerical investigation of a transformable modular PET system: Consideration of point-spread functions, module arrangements, and operation protocols 

  Chang, Yu-Fen; Thompson, Kyle; Teymurazyan, Aram; Siciliano, Steven D.; Papandreou, Zisis (Journal article; Peer reviewed, 2019)

  Positron emission tomography (PET) is a powerful tool for mapping the dynamic distribution of substances in visually opaque systems. A modular, scalable, transformable, and relocatable PET system is custom built to provide ...

• Characterisation of a Digital Sampling Calorimeter Prototype for Proton Computed Tomography With Electron Beams 

  Solheim, Emilie Haugland (Master thesis, 2020-12-19)

  Proton CT is a novel imaging modality designed to improve dose planning and treatment monitoring in proton therapy. The precision of the beam of charged particles, like protons, requires accurate diagnostics, to avoid ...

• Calculation and comparison of linear energy transfer and relative biological effectiveness in proton therapy using FLUKA Monte Carlo simulations and the ECLIPSE treatment planning system. 

  Katmeh, Khaled Mohamad (Master thesis, 2020-12-19)

• Thermal Neutron Detection Efficiency of a Gadolinium-Based Silicon Pixel Sensor 

  Setterdahl, Lena Marie (Master thesis, 2020-12-18)

  This thesis is a "proof-of-principle" study which aims to assess the feasibility of ALPIDE as a neutron imaging sensor when coupled with a natural-Gd converter foil. The neutron detection efficiency of a Gd-based ALPIDE ...

• A novel application of Spherical Elementary Currents with Ground Magnetometers - Analysis of By effects on the auroral electrojets 

  Walker, Simon James (Master thesis, 2020-12-10)

  This thesis advances inversion and optimisation techniques used with spherical elementary currents (SECS) to perform a statistical analysis of the auroral electrojets based on ground magnetic field measurements. The ...

• A Monte Carlo simulation framework for performance evaluation of a proton imaging system without front trackers 

  Sølie, Jarle Rambo (Doctoral thesis, 2020-12-18)

  Today, radiotherapy is one of the main methods for cancer treatment and it is used to irradiate a tumour with a prescribed dose according to a dose plan designed to irradiate the tumour cells while sparing surrounding ...

• J/psi-hadron correlations in proton-proton collisions at 13 TeV with ALICE 

  Altenkämper, Lucas (Doctoral thesis, 2020-12-17)

  The production mechanism of the J/ψ provides a testing ground for the under- standing of the strong interaction due to the interplay between perturbative and non-perturbative regimes. It is not yet perfectly understood and ...

• Characterization and application of 3D silicon microdosimeters 

  Samnøy, Andreas Tefre (Doctoral thesis, 2020-12-11)

  The effect of ionizing radiation on biological matter differs significantly between the various types of radiation. For the same amount of absorbed energy, some forms of radiation are much more effective in inducing ...

• Pressure-impulse diagrams for vented hydrogen deflagrations in 20-foot shipping containers- Numerical predictions using the Impetus Afea solver and validation against data from full-scale experiments 

  Knutsen, Maiken (Master thesis, 2020-10-24)

  A pressure-impulse (P-I) diagram is a graphical representation of the level of structural response of a given structure to pressure loads characterised by different combinations of pressure and impulse. Weak structures, ...

• Search for Pair Production of Bottom-Squarks in Final States with Hadronically Decaying Tau-leptons, b-jets and missing transverse momentum with the ATLAS Detector at the Large Hadron Collider 

  Fomin, Nikolai (Doctoral thesis, 2020-10-16)

  In this thesis a search for beyond the Standard Model physics, in particular for bottom-squark pairs in events with missing transverse momentum, b-tagged jets and hadronically decaying tau leptons is documented. The dataset ...

• Design and Experimental Studies of a Nanofluid Direct Absorption Solar Collector 

  Espedal, Lisbeth (Master thesis, 2020-09-08)

• A neutral matter-wave microscope (NEMI): Design and setup 

  Eder, Sabrina Daniela (Doctoral thesis, 2012-03-09)

  Matter wave microscopes such as electron microscopes or helium ion microscopes are vital tools in numerous fields of sciences. This thesis presents the design of a new matter wave microscope using neutral helium atoms as ...

• Måling av ekvivalent åpningsvinkel for et 38 kHz fiskeri ekkolodd. Kalibrering av ekkolodd ved bruk av flere svingere 

  Pedersen, Haiwa (Master thesis, 2020-08-09)

• Experimental and Numerical Investigation of the Erosive Effects of Micro- and Nanometer-Sized Particles in Water Flow 

  Braut, Marthe (Master thesis, 2020-08-20)

• Combined Thickness and Permittivity Measurement of Thin Layers with Open-Ended Coaxial Probes 

  Folgerø, Kjetil; Haukalid, Kjetil; Kocbach, Jan; Peterson, Andreas Soto (Peer reviewed; Journal article, 2019-04-12)

  This paper presents a method to simultaneously determine the thickness and permittivity of thin layers from multi-frequency reflection coefficient measurements using an open-ended coaxial probe. This is achieved by exploiting ...

• 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 ...

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