Blar i Department of Physics and Technology på tittel

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    • Exclusive dimuon production in ultraperipheral Pb+Pb collisions at √sNN=5.02 TeV with ATLAS 

      Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Ossama Sherif Alexander; Abraham, Nadine L.; Abramowicz, Halina; Bjørke, Kristian; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Garonne, Vincent; Gramstad, Eirik; Heggelund, Andreas; Hellesund, Simen; Håland, Even Simonsen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Rye, Eli Bæverfjord; Røhne, Ole Myren; Sandaker, Heidi; Vadla, Knut Oddvar Høie; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Fomin, Nikolai; Latour, Bertrand Pascal Christian; Lee, Graham Richard; Lipniacka, Anna; Stugu, Bjarne Sandvik; Træet, Are Sivertsen; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; ATLAS, Collaboration (Journal article; Peer reviewed, 2021)
      Exclusive dimuon production in ultraperipheral collisions (UPC), resulting from photon-photon interactions in the strong electromagnetic fields of colliding high-energy lead nuclei, PbPb(γ γ ) → μ+μ−(Pb() Pb() ), is studied ...

    • Exclusive J /ψ photoproduction off protons in ultraperipheral p-Pb collisions at √sNN = 5.02TeV 

      Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agostinelli, Andrea; Agrawal, Nikita; Ahmad, Nazeer; Ahn, Sang Un; 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, Sul-Ah; Ajaz, Muhammad; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; ALICE, Collaboration (Peer reviewed; Journal article, 2014-12-05)
      We present the first measurement at the LHC of exclusive J/ψ photoproduction off protons, in ultraperipheral proton-lead collisions at √sNN=5.02  TeV. Events are selected with a dimuon pair produced either in the rapidity ...

    • Exhibitions as learning environments: a review of empirical research on students’ science learning at Natural History Museums, Science Museums and Science Centres 

      Hauan, Nils Petter; Kolstø, Stein Dankert (Peer reviewed; Journal article, 2014)
      One aim for many natural history museums, science museums and science centres is to contribute to school-related learning in science. In this article we review published empirical studies of this challenging area. The ...

    • Experimental and Numerical Analysis of the Effects of Clay Content on CH4 Hydrate Formation in Sand 

      Bello Palacios, German Alejandro; Almenningen, Stian; Fotland, Per; Ersland, Geir (Journal article; Peer reviewed, 2021)
      Natural gas hydrates exist in large quantities in nature and represent a potential source of energy, mostly in the form of methane gas. Knowledge about hydrate formation in clayey sand is of importance for understanding ...

    • Experimental and numerical investigation of direct absorption solar collectors (DASCs) based on carbon black nanofluids 

      Wei, Shihao; Espedal, Lisbeth; Balakin, Boris; Kosinski, Pawel Jan (Journal article; Peer reviewed, 2023)
      Direct absorption solar collectors (DASCs) typically achieve high efficiency due to the volumetric heat absorption process facilitated by the working fluids. In this study, carbon black (CB) nanofluids were utilized as the ...

    • Experimental and theoretical investigation of waveguided plasmonic surface lattice resonances 

      Ugulen, Håvard Stavn; Flatabø, Ranveig; Sultan, Mansoor A.; Hastings, Jeffrey T.; Greve, Martin Møller (Journal article; Peer reviewed, 2022)
      Plasmonic nanostructures are good candidates for refractive index sensing applications through the surface plasmon resonance due to their strong dependence on the surrounding dielectric media. However, typically low ...

    • Experimental and theoretical study of the flow, aggregation and deposition of gas hydrate particles 

      Balakin, Boris V. (Doctoral thesis, 2010-06-21)
      Gas hydrate plugging is considered to be a very problematic topic during petroleum production and transportation. The phenomenon of hydrate plug formation involves inter-related effects related to different disciplines, ...

    • Experimental and theoretical study on the effect of wall roughness on the phenomenon end of the vortex in swirl tubes 

      Skorve, Torill Rødland (Master thesis, 2011-11-18)
      In this thesis, a combination of experimental measurements and numerical simulations are used to investigate the phenomenon "End of the Vortex" in swirl tubes. The main focus here has been comparing swirl tubes containing ...

    • Experimental Characterization of High-Pressure Natural Gas Scrubbers 

      Austrheim, Trond (Doctoral thesis, 2006-10-20)
      Scrubber design practice today is largely based on experimental data generated at ambient conditions with model fluid system such as air-water. Though good efficiency is often measured in the lab, real natural gas scrubbers ...

    • Experimental Determination of Hydrogen-Air Laminar Burning Velocities, and the Effect of Water Mist 

      Dery, Wulme Puoru (Master thesis, 2017-06-28)
      This research project characterises an experimental set-up with the aim of finding laminar burning velocities of premixed hydrogen-air (dry) mixtures, at initial pressure and pressure of 294 K and 1 bar, using a 20 litre ...

    • The experimental dose ranges influence the LET_d dependency of the proton minimum RBE (RBE_min) 

      Rørvik, Eivind; Thørnqvist, Sara; Ytre-Hauge, Kristian (Peer reviewed; Journal article, 2019-09-23)
      Cell experiments have shown the proton relative biological effectiveness (RBE) to vary with dose and linear energy transfer (LET), which has led to development of variable RBE models. The RBE is normally estimated from two ...

    • Experimental Evidence for an Attractive p-φ Interaction 

      Acharya, Shreyasi; Adamová, Dagmar; Adler, Alexander; Adolfsson, Jonatan; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Ahn, Sang Un; Ahuja, Ishaan; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Eikeland, Viljar Nilsen; Ersdal, Magnus Rentsch; Fionda, Fiorella Maria Celeste; Grøttvik, Ola Slettevoll; Lofnes, Ingrid Mckibben; Nystrand, Joakim Ingemar; Rehman, Attiq Ur; Röhrich, Dieter; Sætre, Jon-Are; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Yuan, Shiming; Arsene, Ionut Cristian; Dordic, Olja; Malik, Qasim Waheed; Neagu, Alexandra; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Storehaug, Ida Torkjellsdatter; Tveter, Trine Spedstad; Wikne, Jon Christopher; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Reme-Ness, Haakon André; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Akbar, Zaenai; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; Aleksandrov, Dimitry; ALICE, Collaboration (Journal article; Peer reviewed, 2021)
      This Letter presents the first experimental evidence of the attractive strong interaction between a proton and a ϕ meson. The result is obtained from two-particle correlations of combined p-ϕ⊕ p¯-ϕ pairs measured in ...

    • An experimental investigation of angled sight flame detectors with 850nm photodiode sensor. Development of experimental equipment 

      Holme, Morten Norlemann (Master thesis, 2014-11-20)
      This thesis describes an experimental investigation of applying photodiodes as sensors inside flame detectors exposed to laminar, transient and turbulent gas explosions, and reflecting environment of various degrees. ...

    • Experimental Investigation of Critical Parameters Controlling CH4− CO2 Exchange in Sedimentary CH4 Hydrates 

      Almenningen, Stian; Graue, Arne; Ersland, Geir (Journal article; Peer reviewed, 2021)
      Sequestration of CO2 in natural gas hydrate reservoirs may offer stable long-term deposition of a greenhouse gas while benefiting from CH4 gas production. In this paper, we review old and present new experimental studies ...

    • Experimental investigation of erosion due to nanofluids 

      Braut, Marthe; González-Fernández, Luis; Kosinska, Anna Dorota; Grosu, Yaroslav; Kosinski, Pawel Jan; Balakin, Boris (Journal article; Peer reviewed, 2022)
      The demand for efficient and sustainable energy is continuously increasing. Among the many technologies with great potential within this field are nanofluids. Nevertheless, there is still a considerable lack of information ...

    • Experimental investigation of particle trajectory through an hydrocyclone using a Positron Emission Tomography (PET) scanner 

      Aasen, Øystein Lee (Master thesis, 2010-08-31)
      Hydrocyclones are much used in process technology and in many different industrial applications. In the oil and gas industry the hydrocyclones, both gas-solid and liquidsolid cyclones are widely used. Getting the sand out ...

    • An Experimental Investigation of the Effect of Rust and Mechanical damage on the Maximum Experimental Safe Gap for Ethylene Gas Explosions 

      Steiner, Marianne Winnes (Master thesis, 2012-05-31)
      Gas explosions are a great hazard in the industry where flammable substances are handled. Engines, switches and other electrical equipment can act like ignition sources where an explosive atmosphere is present. Possible ...

    • Experimental Investigation of the Impedance Measurement Method for Detecting Dust and Gas Flames in a Flame Acceleration Tube. Development of Experimental Apparatus 

      Kalvatn, Ivar Børtnes (Master thesis, 2009-06-02)
      This thesis describes an experimental investigation of flame propagation in a 3.6-meter Flame Acceleration Tube (FAT) by the use of optical probes for flame detection and dust concentration measurements. The experiments ...

    • Experimental Investigation of the Impedance Measurement Method for Detecting Dust and Gas Flames in a Flame Acceleration Tube. Development of Experimental Apparatus 

      Enstad, Gisle Andre (Master thesis, 2009-06-02)
      This master thesis describes an impedance measurement device built for investigating flame propagation in a Flame Acceleration Tube, FAT. This tube is 3.6 m long, and has been instrumented with thermocouples, pressure ...

    • An Experimental Investigation of the Influence of Mechanical Damage and Rust on the Ability of Flame Gaps to Prevent Hydrogen Gas Explosion Transmission 

      Ringdal, Linn (Master thesis, 2012-05-31)
      The present work investigates the influence of rusted and mechanical damaged flame gaps, and the ability of these flame gaps to prevent a hydrogen gas explosion transmission between an inner and outer explosion chamber. ...