• Graphene and graphene oxide on Ir(111) are transparent to wetting but not to icing 

      Kyrkjebø, Signe; Cassidy, Andrew; Akhtar, Naureen; Balog, Richard; Scheffler, Martha; Hornekær, Liv; Holst, Bodil; Flatabø, Ranveig (Journal article; Peer reviewed, 2021)
      Anti-icing coatings reduce the freezing onset temperature for water by changing the chemical and physical environment at the water-substrate interface to prevent ice nucleation and growth. Graphene oxide has several ...
    • Gravitino dark matter and the flavour structure of R-violating operators 

      Bomark, Nils-Erik; Lola, Smaragda; Osland, Per; Raklev, Are Reinert (Peer reviewed; Journal article, 2009-06-15)
      We study gravitino dark matter and slow gravitino decays within the framework of R-violating supersymmetry, with particular emphasis on the flavour dependence of the branching ratios and the allowed R-violating couplings. ...
    • Gravitino Dark Matter with Entropy Production constrained by Big Bang Nucleosynthesis 

      Høines, Håkon Vinje (Master thesis, 2016-12-16)
      We are looking at a gravitino dark matter scenario with a general neutralino next-to-lightest supersymmetric particle. We are considering the primary decay channels of the neutralino, and we define the supersymmetric ...
    • Grid sensitivity simulation of low salinity and polymer flooding 

      Nordaker, Vidar (Master thesis, 2015-05-31)
      Water flooding in a reservoir is a well- established recovery method used to maintain the reservoir pressure and to displace the oil towards the producing well. However, after water flooding there is still a substantial ...
    • Ground-based and Satellite Remote Sensing of Atmospheric Aerosols and Ultraviolet Solar Radiation 

      Muyimbwa, Dennis (Doctoral thesis, 2016-04-08)
      Satellite remote sensed data have been used to determine the aerosol climatology and to investigate the influence of the aerosol index (AI) on the ultraviolet (UV) index in coastal land areas in Serrekunda (13.28◦ N, 16.34◦ ...
    • 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; 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 ...
    • Hadronic resonances, strange and multi-strange particle production in Xe-Xe and Pb-Pb collisions with ALICE at the LHC 

      Albuquerque, D. S. D.; 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; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; Al-Turany, Mohammad; Alam, Sk Noor; Aleksandrov, Dmitry; Alessandro, Bruno; Alfaro Molina, R; ALICE, Collaboration (Peer reviewed; Journal article, 2019)
      We present measurements of hadronic resonance, strange and multi-strange particle production in collisions of Xe-Xe and Pb-Pb at the center-of-mass energies of √sNN = 5.44 and 5.02 TeV, respectively, by the ALICE collaboration ...
    • The Hall current system revealed as a statistical significant pattern during fast flows 

      Snekvik, Kristian; Nakamura, R.; Østgaard, Nikolai; Haaland, Stein; Retinò, A. (Peer reviewed; Journal article, 2008-11-05)
      We have examined the dawn-dusk component of the magnetic field, BY , in the night side current sheet during fast flows in the neutral sheet. 237 h of Cluster data from the plasma sheet between 2 August 2002 and 2 October ...
    • Harvesting electrical energy from water drops falling on a vibrating cantilever 

      Helseth, Lars Egil (Journal article; Peer reviewed, 2022)
      In this work a novel thin-film device combining piezoelectric and contact electrification energy harvesting is created with the aim of investigating how it responds to water droplet impact during vibrations. The two energy ...
    • Harvesting energy from light and water droplets by covering photovoltaic cells with transparent polymers 

      Helseth, Lars Egil (Journal article; Peer reviewed, 2021)
      Energy harvesting of sunlight is often done using photovoltaic cells covered by a protective layer of polymer or glass. Currently, this layer does not have any other function than being transparent and protective, but its ...
    • Heavy flavor azimuthal correlations in PYTHIA generated proton-proton collisions at LHC energies 

      Johansen, Marius Ole (Master thesis, 2014-11-20)
      The ALICE detector at CERN is a promising tool for the study of the Quark-Gluon Plasma (QGP), an exotic state of matter thought to be present in the early Universe. The study of partonic energy loss reveals vital information ...
    • Heavy Higgs boson decays in the alignment limit of the 2HDM 

      Øgreid, Odd Magne; Osland, Per; Grzadkowski, Bohdan; Haber, Howard (Peer reviewed; Journal article, 2018-12)
      The Standard Model (SM)-like couplings of the observed Higgs boson impose strong constraints on the structure of any extended Higgs sector. We consider the theoretical properties and the phenomenological implications of a ...
    • Heavy Metal and Rock in Space: Cluster RAPID Observations of Fe and Si 

      Håland, Stein Egil; Daly, Patrick W.; Vilenius, Esa (Journal article; Peer reviewed, 2021)
      Metallic and silicate ions carry essential information about the evolution of the Earth and near-Earth small bodies. Despite this, there has so far been very little focus on ions with atomic masses higher than oxygen in ...
    • Heavy-flavour hadron decay leptons in Pb–Pb and Xe–Xe collisions at the LHC with ALICE 

      Dubla, Andrea; 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; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; 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)
      Heavy quarks, i.e. charm and beauty, are sensitive probes of the medium produced in high-energy heavy-ion collisions. They are produced in the early stage of the collision, mainly in hard partonic scattering processes, and ...
    • Helium radiography with a digital tracking calorimeter—a Monte Carlo study for secondary track rejection 

      Pettersen, Helge Egil Seime; Volz, Lennart; Sølie, Jarle Rambo; Alme, Johan; Barnaföldi, Gergely Gábor; Barthel, Rene; van den Brink, Anthony; Borshchov, Vyacheslav; Chaar, Mamdouh; Eikeland, Viljar Nilsen; Genov, Georgi; Grøttvik, Ola Slettevoll; Helstrup, Håvard; Keidel, Ralf; Kobdaj, Chinorat; van der Kolk, Naomi; Mehendale, Shruti Vineet; Meric, Ilker; Odland, Odd Harald; Papp, Gábor; Peitzmann, Thomas; Piersimoni, Pierluigi; Protsenko, Maksym; Rehman, Attiq Ur; Richter, Matthias; Samnøy, Andreas Tefre; Seco, Joao; Shafiee, Hesam; Songmoolnak, Arnon; Tambave, Ganesh Jagannath; Tymchuk, Ihor; Ullaland, Kjetil; Varga-Kofarago, Monika; Wagner, Boris; Xiao, Renzheng; Yang, Shiming; Yokoyama, Hiroki; Röhrich, Dieter Rudolf Christian (Journal article; Peer reviewed, 2021)
      Radiation therapy using protons and heavier ions is a fast-growing therapeutic option for cancer patients. A clinical system for particle imaging in particle therapy would enable online patient position verification, ...
    • HEPPA III Intercomparison Experiment on Electron Precipitation Impacts: 1. Estimated Ionization Rates During a Geomagnetic Active Period in April 2010 

      Tyssøy, Hilde Nesse; Sinnhuber, M.; Asikainen, T.; Bender, Stefan; Clilverd, M.A.; Funke, B.; van de Kamp, M.; Pettit, J.M.; Randall, C.E.; Reddmann, T.; Rodger, C.J.; Rozanov, E.; Smith-Johnsen, Christine; Sukhodolov, T.; Verronen, P.T.; Wissing, J.M.; Yakovchuk, O. (Journal article; Peer reviewed, 2022)
      Precipitating auroral and radiation belt electrons are considered an important part of the natural forcing of the climate system. Recent studies suggest that this forcing is underestimated in current chemistryclimate models. ...
    • Heppa III Intercomparison Experiment on Electron Precipitation Impacts: 2. Model-Measurement Intercomparison of Nitric Oxide (NO) During a Geomagnetic Storm in April 2010 

      Sinnhuber, M.; Tyssøy, Hilde Nesse; Asikainen, T.; Bender, Stefan; Funke, B.; Hendrickx, K.; Pettit, J.M.; Reddmann, T.; Rozanov, E.; Schmidt, H.; Smith-Johnsen, Christine; Sukhodolov, T.; Szeląg, M.E.; van de Kamp, de; Verronen, P.T.; Wissing, J.M.; Yakovchuk, O.S. (Journal article; Peer reviewed, 2022)
      Precipitating auroral and radiation belt electrons are considered to play an important part in the natural forcing of the middle atmosphere with a possible impact on the climate system. Recent studies suggest that this ...
    • Heterogeneous distributed calibration framework for the high level trigger in ALICE 

      Bablok, Sebastian Robert (Doctoral thesis, 2009-02-13)
      This thesis focusses on the development of a distributed and re-configurable online calibration environment for the ALICE (A Large Ion Collider Experiment) HLT (High Level Trigger). ALICE1 is one of the four major experiments ...
    • Heterogeneous Hydrate Nucleation on Calcite {1014} and Kaolinite {001} Surfaces: A Molecular Dynamics Simulation Study 

      Mohammad, Numan (Master thesis, 2016-06-01)
      Natural gas hydrates are of significant interest due to the great amount of methane that can potentially be utilised as an energy source. These methane resources are trapped in ice-like form, which is a concern since ...
    • The Higgs Boson in Less Constrained Supersymmetric Models 

      Pettersen, Helge Egil Seime (Master thesis, 2012-06-01)
      In this thesis, we explore the phenomenological minimal supersymmetric standard model (pMSSM) in the context of the Higgs boson. If the emerging results from the LHC are real, will the pMSSM be able to accommodate this? ...