Browsing Fysisk institutt by Title

Now showing items 1217-1236 of 3667

  • Global fits of simplified models for dark matter with GAMBIT 
    Chang, Christopher; Scott, Pat; Gonzalo, Tomás E.; Kahlhoefer, Felix; Kvellestad, Anders; White, Martin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Simplified models provide a useful way to study the impacts of a small number of new particles on experimental observables and the interplay of those observables, without the need to construct an underlying theory. In this ...
  • Global polarization of Λ Λ hyperons in Pb-Pb collisions at √sNN = 2.76 and 5.02 TeV 
    Acharya, Shreyasi; Adamová, Dagmar; Adhya, Souvik Priyam; Adler, Alexander; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Grøttvik, Ola Slettevoll; Lofnes, Ingrid Mckibben; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Yuan, Shiming; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; Neagu, Alexandra; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Ahmad, Shafiq F.; Ahn, Sang Un; Akindinov, Alexander; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
  • GNSS Scintillations in the Cusp, and the Role of Precipitating Particle Energy Fluxes 
    Ivarsen, Magnus Fagernes; Jin, Yaqi; Spicher, Andres; St-Maurice, Jean-Pierre; Park, Jaeheung; Billett, Daniel (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Using a large data set of ground‐based GNSS scintillation observations coupled with in situ particle detector data, we perform a statistical analysis of both the input energy flux from precipitating particles, and ...
  • GPS scintillation and irregularities at the front of an ionization tongue in the nightside polar ionosphere 
    van der Meeren, Christer; Oksavik, Kjellmar; Lorentzen, Dag Arne; Moen, Jøran Idar; Romano, Vincenzo (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    In this paper we study a tongue of ionization (TOI) on 31 October 2011 which stretched across the polar cap from the Canadian dayside sector to Svalbard in the nightside ionosphere. The TOI front arrived over Svalbard ...
  • GPS scintillation effects associated with polar cap patches and substorm auroral activity: direct comparison 
    Jin, Yaqi; Moen, Jøran I.; Miloch, Wojciech J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    We directly compare the relative GPS scintillation levels associated with regions of enhanced plasma irregularities called auroral arcs, polar cap patches, and auroral blobs that frequently occur in the polar ionosphere. ...
  • GPS scintillations associated with cusp dynamics and polar cap patches 
    Jin, Yaqi; Moen, Jøran Idar; Oksavik, Kjellmar; Spicher, Andres; Clausen, Lasse Boy Novock; Miloch, Wojciech Jacek (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    This paper investigates the relative scintillation level associated with cusp dynamics (including precipitation, flow shears, etc.) with and without the formation of polar cap patches around the cusp inflow region by the ...
  • Grain boundaries in a BaZrO3-based proton conductor: A theoretical and experimental study on atomic scale 
    Bondevik, Tarjei (Doctoral thesis / Doktoravhandling, 2019)
  • Grain-Size-Governed Shear Failure Mechanism of Polycrystalline Methane Hydrates 
    Sveinsson, Henrik Andersen; Ning, Fulong; Cao, Pinqiang; Fang, Bin; Malthe-Sørenssen, Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The shear failure mechanism of polycrystalline gas hydrates is critical for understanding marine geohazards related to gas hydrates under a changing climate and for safe gas recovery from gas hydrate reservoirs. Since ...
  • A Graphical User Interface for Multivariable Analysis of Silicon Solar Cells Using Scripted PC1D Simulations 
    Haug, Halvard; Olaisen, Birger Retterstøl; Nordseth, Ørnulf; Marstein, Erik Stensrud (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    PC1D is an open source computer program for simulation of crystalline semiconductor devices, and is the most commonly used simulation software in the solar cell community today. In this work we present a modified version ...
  • Gravitational and Finite-Size Effects On Pressure Saturation Curves During Drainage 
    Ayaz, Monem; Toussaint, Renaud; Schäfer, Gerhard; Måløy, Knut Jørgen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    We experimentally and numerically study the influence of gravity and finite-size effects on the pressure-saturation relationship in a given porous medium during slow drainage. The effect of gravity is systematically varied ...
  • Gravitational waves from a Pati-Salam phase transition 
    Croon, Djuna; Gonzalo, Tomas Esteban; White, Graham (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    We analyse the gravitational wave and low energy signatures of a Pati-Salam phase transition. For a Pati-Salam scale of MPS ∼ 105 GeV, we find a stochastic power spectrum within reach of the next generation of ground-based ...
  • Gravity and antimatter: The AEgIS experiment at CERN 
    Pagano, Davide; Aghion, Stefano; Amsler, Claude; Bonomi, G.; Brusa, Roberto S.; Caccia, Massimo; Caravita, Ruggero; Castelli, Fabrizio; Cerchiari, Giovanni; Comparat, Daniel; Consolati, Giovanni; Demetrio, Andrea; Noto, L.Di; Doser, Michael; Evans, A.; Fanì, Mattia; Ferragut, Rafael; Fesel, Julian; Fontana, Andrea; Gerber, Sebastian; Giammarchi, Marco; Gligorova, Angela; Guatieri, Francesco; Haider, Stefan; Hinterberger, Alexander; Holmestad, Helga Margrete; Kellerbauer, Alban; Khalidova, Olga; Krasnický, Daniel; Lagomarsino, Vittorio; Lansonneur, Pierre; Lebrun, Patrice; Malbrunot, Chloe; Mariazzi, Sebastiano; Marton, Johann; Matveev, Victor; Mazzotta, Zeudi; Müller, Simon R.; Nebbia, Giancarlo; Nedelec, Patrick; Oberthaler, Marcus; Pacifico, Nicola; Penasa, Luca; Petracek, Vojtech; Prelz, Francesco; Prevedelli, M.; Ravelli, L.; Rienaecker, Benjamin; Robert, Jacques; Røhne, Ole Myren; Rotondi, Alberto; Sandaker, Heidi; Santoro, R.; Smestad, Lillian; Sorrentino, Fiodor; Testera, Gemma; Tietje, I.C.; Widmann, Eberhard; Yzombard, Pauline; Zimmer, Christian; Zmeskal, Johann; Zurlo, Nicola (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    From the experimental point of view, very little is known about the gravitational interaction between matter and antimatter. In particular, the Weak Equivalence Principle, which is of paramount importance for the General ...
  • GRID irradiation and bystander effects in lung cancer cells 
    Børsting, Magnus (Master thesis / Masteroppgave, 2020)
    Lungekreft er en den ledende årsak til at folk dør av kreft, dens behandling må ofte bli avbrutt på grunn av pneumoni. Pneumoni skaper en kronisk betennelse i lungene som gjør det umulig å behandle kreftsvulsten. Dette er ...
  • GRID therapy of lung tumors: Immune response modeling and proton therapy planning 
    Asperud, Jonas (Master thesis / Masteroppgave, 2020)
    Radiotherapy is a well-established modality for cancer treatment, employed for more than 100 years. Conventional radiotherapy aims at eliminating all cancer cells by irradiating the whole tumor, which will result in damage ...
  • Ground-based measurements of total ozone column amount with a multichannel moderate-bandwidth filter instrument at the Troll research station, Antarctica 
    Sztipanov, Milos; Tumeh, Lubna; Li, Wei; Svendby, Tove Marit; Kylling, Arve; Dahlback, Arne; Stamnes, Jakob J.; Hansen, Georg; Stamnes, Knut (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Combining information from several channels of the Norwegian Institute for Air Research (NILU-UV) irradiance meter, one may determine the total ozone column (TOC) amount. A NILU-UV instrument has been deployed and operated ...
  • Group one impurities in single crystalline Zinc Oxide 
    Johansen, Klaus Magnus Håland (Doctoral thesis / Doktoravhandling, 2011)
    Zinc Oxide (ZnO) has been used as a material in many different technologies from pharmaceuticals to electronics. This exciting material can also be utilized as a wide band gap semiconductor for application in optoelectronic ...
  • Group-IV (Si, Ge, and Sn)-doped AgAlTe2 for intermediate band solar cell from first-principles study 
    Huang, Dan; Jiang, Jing-Wen; Guo, Jin; Zhao, Yu-jun; Chen, Rongzhen; Persson, Clas (Journal article / Tidsskriftartikkel / SubmittedVersion, 2017)
    Earlier studies of chalcopyrites as the absorber for intermediate band solar cells (IBSCs) mainly focused on Cu-based compounds, whose intermediate band is usually empty due to its intrinsic p-type conductivity. This is ...
  • Growth and Modeling of ZnO and the Characterization of Epitaxial Thin Films by means of Synchrotron Radiation : A Comprehensive Study of Synthesis, Characterization and Modeling of Selected Model Structures 
    Getz, Michael (Master thesis / Masteroppgave, 2012)
    ZnO is a promising material that recently attracts wide interest due its outstanding properties that make it suitable for applications in short wavelength optoelectronic devices, as well as high temperature electronics. ...
  • Growth, Defects and Doping of 3C-SiC on Hexagonal Polytypes 
    Yakimova, Rositza; Ivanov, Ivan G.; Vines, Lasse; Linnarsson, Margareta; Gallstrom, Andreas; Giannazzo, Filippo; Roccaforte, Fabrizio; Wellmann, Peter; Syväjärvi, Mikael; Jokubavicius, Valdas (Journal article / Tidsskriftartikkel / SubmittedVersion, 2017)
    Technologies for the growth of 3C-SiC with crystalline quality and crystal size similar to hexagonal counterparts (6H- or 4H-SiC) are still at the laboratory stage. There are several challenges in the control of polytype ...
  • GUT physics in the era of the LHC 
    Croon, Djuna; Gonzalo, Tomas Esteban; Graf, Lukas; Košnik, Nejc; White, Graham (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Grand Unified Theories (GUTs) are one of the most interesting high-energy completions of the Standard Model, because they provide a rich, powerful and elegant group-theoretical framework able to resolve a variety of problems ...