• Exploring the use of nanofluids in pump-free systems for solar thermal applications 

      Kosinska, Anna Dorota; Balakin, Boris; Kosinski, Pawel Jan (Journal article; Peer reviewed, 2023)
      By using nanofluids as a working fluid in pump-free designs, thermal energy systems can become more efficient and have reduced maintenance costs, ultimately extending the system’s lifespan. In this paper, our goal is to ...
    • Exploring virtualisation tools with a new virtualisation provisioning method to test dynamic grid environments for ALICE grid jobs over ARC grid middleware 

      Wagner, Boris; Kileng, Bjarte (Peer reviewed; Journal article, 2014)
      The Nordic Tier-1 centre for LHC is distributed over several computing centres. It uses ARC as the internal computing grid middleware. ALICE uses its own grid middleware AliEn to distribute jobs and the necessary software ...
    • An Extended Scalar Sector: Charged Higgs and Dark Matter 

      Poormohammadi, Mahdi (Doctoral thesis, 2013-10-11)
      Despite the great success of the Standard Model in describing many aspects of the experiments, there are compelling reasons that it needs to be improved. One of the major mysteries physics has been exploring is the composition ...
    • Extended Supersymmetry and Superfields 

      Olsen, Richard (Master thesis, 2010-08-01)
      This thesis concerns the reconstruction of N=1 supersymmetry, starting with the Standard Model. Next, we partially construct an N=2 superfield theory. The differential representation of the N=2 supercharges is found. Issues ...
    • Extension of the hard-sphere model for particle-flow simulations 

      Kosinski, Pawel Jan; Balakin, Boris; Kosinska, Anna Dorota (Journal article; Peer reviewed, 2020)
      Discrete element methods require appropriate models for particle-particle collisions. Usually, researchers use soft-sphere types of models where the collision dynamics is solved numerically. This makes the simulation ...
    • Extra Dimensions at Particle Colliders 

      Dvergsnes, Erik Wolden (Doctoral thesis, 2004-11-05)
    • Extreme Event Statistics in Dst, SYM-H, and SMR Geomagnetic Indices 

      Bergin, A.; Chapman, Sandra; Watkins, N.W.; Moloney, N.R.; Gjerløv, Jesper (Journal article; Peer reviewed, 2023)
      Extreme space weather events are rare, and quantifying their likelihood is challenging, often relying on geomagnetic indices obtained from ground-based magnetometer observations that span multiple solar cycles. The Dst ...
    • f0(980) resonance production in pp collisions with the ALICE detector at the LHC 

      Lorenzo, Alessandra; Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Neelima; Ahammed, Zubayer; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Nystrand, Joakim; Rehman, Attiq Ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Cristian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Malik, Qasim Waheed; 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; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Peer reviewed; Journal article, 2019)
      We report on a preliminary study of the production of f0(980) → π+π− at mid-rapidity (|y| < 0.5) performed with the ALICE detector at the LHC in minimum bias pp collisions at the centre-of-mass energy √ s = 5.02 TeV. The ...
    • Faglege samtalar mellom elevar under nokre elevøvingar i naturfag: Nokre prosesskjenneteikn 

      Høylo, Arnt-Inge (Master thesis, 2016-06-01)
      This study has dealt with conversations in the classroom connected to practical work in science. It has been looked at conversations where teacher is with and where teacher is not included. The aim of the task was to look ...
    • Fast Mie calculations with a radial basis function neural network 

      Stremme, Michael Jonas (Master thesis, 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 involved ...
    • Fast resolution change in neutral helium atom microscopy 

      Flatabø, Ranveig; Eder, Sabrina Daniela; Ravn, Anders K; Samelin, Bjørn; Greve, Martin Møller; Reisinger, Thomas; Holst, Bodil (Peer reviewed; Journal article, 2018)
      In neutral helium atom microscopy, a beam of atoms is scanned across a surface. Though still in its infancy, neutral helium microscopy has seen a rapid development over the last few years. The inertness and low energy of ...
    • Features concerning capillary pressure and the effect on two-phase and three-phase flow 

      Dale, Elisabeth Iren; Skauge, Arne (Chapter, 2008-04-30)
      The effect of capillary pressure related to immiscible WAG (Water Alternate Gas) is studied by use of a numerical simulator. The capillary pressure is found to have a significant effect on the pressure gradient and the ...
    • Femtosecond Single Cycle Pulses Enhanced the Efficiency of High Order Harmonic Generation 

      Taoutioui, Abdelmalek; Agueny, Hicham (Journal article; Peer reviewed, 2021)
      High-order harmonic generation is a nonlinear process that converts the gained energy during light-matter interaction into high-frequency radiation, thus resulting in the generation of coherent attosecond pulses in the XUV ...
    • Femtosecond-pulse-train ionization of Rydberg wave packets 

      Simonsen, Sigrid Ina; Sørngård, Stian Astad; Førre, Morten; Hansen, Jan Petter (Peer reviewed; Journal article, 2012-10-09)
      We calculate, based on first-order perturbation theory, the total and differential ionization probabilities from a dynamic periodic Rydberg wave packet of a given n-shell exposed to a train of femtosecond laser pulses. The ...
    • Fibres in Heritage Objects : Identification and Characterisation by Imaging Techniques 

      Lukesova, Hana (Doctoral thesis, 2021-08-27)
      The work presented in this thesis focuses on the identification and characterisation of plant fibres from cultural heritage objects. The main emphasis is on method development (Archaeometry) in the field of optical microscopy. ...
    • Fiducial and differential cross sections of Higgs boson production measured in the four-lepton decay channel in \(\boldsymbol{pp}\) collisions at \(\boldsymbol{\sqrt{s}}\) = 8 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; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; 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; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Åkerstedt, Henrik; Åkesson, Torsten P.A.; Åsman, Barbro; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-11-10)
      Measurements of fiducial and differential cross sections of Higgs boson production in the \({H \rightarrow ZZ ^{*}\rightarrow 4\ell}\) decay channel are presented. The cross sections are determined within a fiducial phase ...
    • Field Pilot Injection Strategies for CO2 Foam EOR in a Layered Heterogeneous Carbonate Reservoir 

      Kristiansen, Stine Marie (Master thesis, 2018-06-20)
      Injection of CO2 foam for enhanced oil recovery (EOR) may provide economic incentives for large-scale industrial CO2 storage. An international field pilot research program has been initiated to develop and test CO2 foam ...
    • Field-Aligned and Ionospheric Currents by AMPERE and SuperMAG During HSS/SIR-Driven Storms 

      Pedersen, M.N.; Vanhamäki, H.; Aikio, A.T.; Käki, S.; Workayehu, A.B.; Waters, C.L.; Gjerløv, Jesper (Journal article; Peer reviewed, 2021)
      This study considers 28 geomagnetic storms with Dst $\leq-50$ nT driven by high-speed streams (HSSs) and associated stream interaction regions (SIRs) during 2010-2017. Their impact on ionospheric horizontal and field-aligned ...
    • Fighting dust explosion hazards in the process industries 

      Eckhoff, Rolf Kristian (Journal article; Peer reviewed, 2020)
    • Finite element modeling of ultrasound measurement systems for gas. Comparison with experiments in air. 

      Hauge, Rune (Master thesis, 2013-06-10)
      A finite element based system model of an ultrasonic measurement system in air is developed. Simulations and experiments in air are compared.