Now showing items 289-308 of 982

    • Foam Generation and Flow in Fractures with Different Aperture 

      Polden, Andreas Grøteide (The University of Bergen, 2017-06-20)
      This experimental thesis investigate foam generation and flow properties in real, rough-walled fractures, through impermeable marble core plugs. A range of fracture apertures was investigated, denoted open, partially open ...
      Master thesis
    • Forward and midrapidity like-particle ratios from p+p collisions at root s=200 GeV 

      Bearden, IG; Beavis, D; Besliu, C; Budick, B; Boggild, H; Chasman, C; Christensen, CH; Christiansen, P; Cibor, J; Debbe, R; Enger, E; Gaardhoje, JJ; Germinario, M; Hagel, K; Holm, A; Holm, A; Holme, AK; Ito, H; Jakobsen, E; Jipa, A; Jundt, F; Jordre, JI; Jørdre, Jens Ivar; Jorgensen, CE; Karabowicz, R; Keutgen, T; Kim, EJ; Kozik, T; Larsen, T.M.; Lee, JH; Lee, YK; Løvhøiden, Gunnar; Majka, Z; Makeev, A; Mikelsen, M; Murray, MJ; Natowitz, J; Nielsen, BS; Norris, J; Olchanski, K; Ouerdane, D; Planeta, R; Rami, F; Ristea, C; Rohrich, D; Røhrich, Dieter; Samset, B.H.; Sandberg, D; Sanders, SJ; Scheetz, RA; Staszel, P; Tveter, T.S.; Videbaek, F; Wada, R; Wieloch, A; Yin, Zhongbaao; Zgura, IS (Elsevier, 2005-02)
      We present a measurement of π−/π+π−/π+, K−/K+K−/K+ and p¯/p from p+pp+p collisions at s=200 GeV over the rapidity range 0<y<3.40<y<3.4. For pT<2.0 GeV/cpT<2.0 GeV/c we see no significant transverse momentum dependence ...
      Journal article
    • Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV 

      Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmed, Ijaz; Ahn, Sang Un; Aimo, Ilaria; Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Haaland, Øystein Senneset; Huang, Meidana; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lindal, Svein; Mahmood, Sohail Musa; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen André; Aiola, Salvatore; Ajaz, Muhammad; Akindinov, Alexander; Alam, Sk Noor; Aleksandrov, Dimitry; Alessandro, Bruno; Alexandre, Didier; ALICE, Collaboration (Springer, 2015-05-20)
      The strength of forward-backward (FB) multiplicity correlations is measured by the ALICE detector in proton-proton (pp) collisions at s√ = 0.9, 2.76 and 7 TeV. The measurement is performed in the central pseudorapidity ...
      Journal article
    • Forward-central two-particle correlations in p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV 

      Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahn, Sang Un; Aimo, Ilaria; Aiola, Salvatore; Alme, Johan; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Haaland, Øystein Senneset; Huang, Meidana; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Zhang, Hui; Zhou, Zhuo; Zhu, Hongsheng; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lindal, Svein; Mahmood, Sohail Musa; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen André; Ajaz, Muhammad; Akindinov, Alexander; Alam, Sk Noor; Aleksandrov, Dimitry; Alessandro, Bruno; Alexandre, Didier; ALICE, Collaboration (Elsevier, 2016-02)
      Two-particle angular correlations between trigger particles in the forward pseudorapidity range ($2.5 < |\eta| < 4.0$) and associated particles in the central range ($|\eta| < 1.0$) are measured with the ALICE detector in ...
      Journal article
    • Free-standing, axially-symmetric diffraction gratings for neutral matter-waves: experiments and fabrication 

      Reisinger, Thomas (The University of Bergen, 2011-10-04)
      Since de Broglie’s famous postulation of the wave-nature of material particles and its subsequent experimental verification, it is known that atoms and molecules behave like waves on a small scale. The investigation of ...
      Doctoral thesis
    • Freeze-Out in the Multi-Module Model of Ultra-Relativistic Heavy Ion Collisions 

      Hansen, Øyvind Heggø (The University of Bergen, 2003)
      Master thesis
    • Freeze-out radii extracted from three-pion cumulants in pp, p-Pb and Pb-Pb collisions at the LHC 

      Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Agnello, Michelangelo; Agostinelli, Andrea; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Nazeer; Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Yang, Shiming; Zhou, Zhuo; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lindal, Svein; Mahmood, Sohail Musa; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Ahn, Sul-Ah; Ajaz, Muhammad; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; ALICE, Collaboration (Elsevier, 2014-12-12)
      In high-energy collisions, the spatio-temporal size of the particle production region can be measured using the Bose–Einstein correlations of identical bosons at low relative momentum. The source radii are typically extracted ...
      Journal article
    • Fundamental aspects of water methane separation in zeolites 

      Leirvik, Kim Nes (The University of Bergen, 2013-06-03)
      The main objective of this thesis was to use molecular dynamics to investigate the methane interactions with zeolite, specifically the Linde Type A-3A, alongside with an investigation into the use of polynomial path ...
      Master thesis
    • Gamma-ray flow imaging 

      Frøystein, Torbjørn (The University of Bergen, 1992-03)
      Master thesis
    • Gas Hydrates in Porous Media: CO2 Storage and CH4 Production 

      Chejara, Ashok (The University of Bergen, 2014-04-25)
      Doctoral thesis
    • Geo-modeling and fluid flow simulation in paleokarst reservoirs 

      Furnée, Jon Petter Bjerkreim (The University of Bergen, 2015-06-30)
      This master thesis focuses on modeling and simulation of fluid flow in collapsed paleocave systems, also known as paleokarst. Petroleum reservoirs all around the world exhibit karst structures. The latest ones on the ...
      Master thesis
    • A giant reconstruction of α-quartz (0001) interpreted as three domains of nano dauphine twins 

      Eder, Sabrina Daniela; Fladischer, Katrin; Yeandel, S.R.; Lelarge, Anne; Parker, Stephen C.; Søndergård, Elin; Holst, Bodil (Europe PMC, 2015-10-08)
      Silica (SiO2) is one of the most common materials on Earth. The crystalline form α-quartz is the stable silica polymorph at ambient conditions although metastable forms exist. α-quartz is a piezoelectric material, it can ...
      Journal article
    • The global potential for carbon capture and storage from forestry 

      Ni, Yuanming; Eskeland, Gunnar; Giske, Jarl; Hansen, Jan Petter (Springer, 2016-02-26)
      Background: Discussions about limiting anthropogenic emissions of CO2 often focus on transition to renewable energy sources and on carbon capture and storage (CCS) of CO2. The potential contributions from forests, forest ...
      Journal article
    • Global Λ polarization in high energy collisions 

      Xie, Yilong; Wang, Dujuan; Csernai, László P. (American Physical Society, 2017-03-14)
      With a Yang-Mills flux-tube initial state and a high-resolution (3+1)D particle-in-cell relativistic (PICR) hydrodynamics simulation, we calculate the Λ polarization for different energies. The origination of polarization ...
      Journal article
    • A Golden-Channel Higgs Decay 

      Haarr, Anders (The University of Bergen, 2011-06-01)
      With a Higgs mass greater than 190 GeV and lower than 300 GeV, the decay channel H --> ZZ --> 4l becomes what is referred to as the golden channel for Higgs decay (clean signal). Suppose a pair of on shell Zs with ...
      Master thesis
    • 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 (WileyAmerican Geophysical Union, 2014-10)
      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 ...
      Journal article
    • 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 (EDP Sciences, 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 ...
      Journal article
    • Gravitino dark matter and the flavour structure of R-violating operators 

      Bomark, Nils-Erik; Lola, Smaragda; Osland, Per; Raklev, Are Reinert (Elsevier, 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. ...
      Journal article
    • Gravitino Dark Matter with Entropy Production constrained by Big Bang Nucleosynthesis 

      Høines, Håkon Vinje (The University of Bergen, 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 ...
      Master thesis
    • Grid sensitivity simulation of low salinity and polymer flooding 

      Nordaker, Vidar (The University of Bergen, 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 ...
      Master thesis