Browsing Department of Physics and Technology by Title

Now showing items 1351-1370 of 2244

    • New, spherical solutions of non-relativistic, dissipative hydrodynamics 

      Kasza, Gyula; Csernai, László Pál; Csörgö, Tamás (Journal article; Peer reviewed, 2022)
      We present a new family of exact solutions of dissipative fireball hydrodynamics for arbitrary bulk and shear viscosities. The main property of these solutions is a spherically symmetric, Hubble flow field. The motivation ...

    • Nitric Oxide Response to the April 2010 Electron Precipitation Event: Using WACCM and WACCM‐D With and Without Medium‐Energy Electrons 

      Smith-Johnsen, Christine; Marsh, Daniel R.; Orsolini, Yvan; Tyssøy, Hilde Nesse; Hendrickx, Koen; Sandanger, Marit Irene J.; Ødegaard, Linn-Kristine Glesnes; Stordal, Frode (Peer reviewed; Journal article, 2018-06-07)
      Energetic electrons from the magnetosphere deposit their energy in the atmosphere and lead to production of nitric oxide (NO) in the mesosphere and lower thermosphere. We study the atmospheric NO response to a geomagnetic ...

    • NMR measurements of wettability alternation in Berea Sandstone 

      Vevle, Joar (Master thesis, 2011-11-28)
      When a new oil reservoir is discovered and a production strategy is chosen the knowledge about wettability characteristics for the field is of outermost importance. Wettability is a key factor for fluid distribution and ...

    • Noise and Cluster Size Studies of ALPIDE-CMOS Pixel Sensor for pCT 

      Afroz, Susmita (Master thesis, 2018-07-04)
      The use of proton beam has been introduced in medical physics for therapeutic purposes in cancer treatment and it has been proven much more efficient than conventional X-ray. Treatment planning in proton therapy is usually ...

    • Non-invasive studies of multiphase flow in process equipment. Positron emission particle tracking technique 

      Balakin, Boris; Adamsen, Tom Christian Holm; Chang, Yu-Fen; Kosinski, Pawel Jan; Hoffmann, Alex Christian (Peer reviewed; Journal article, 2017)
      Positron emission particle tracking (PEPT) is a novel experimental technique for non-invasive inspection of industrial fluid/particle flows. The method is based on the dynamic positioning of a positron-emitting, flowing ...

    • Non-linear flow modes of identified particles in Pb-Pb collisions at √sNN = 5.02 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adler, Clemens; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Alme, Johan; Altenkaemper, Lucas; Djuvsland, Øystein; Eikeland, Viljar Nilsen; 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; Dordic, Olja; Lardeux, Antoine Xavier; Mahmood, Sohail Musa; Malik, Qasim Waheed; Neagu, Alexandra; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Ahn, Sang Un; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; ALICE, Collaboration (Journal article; Peer reviewed, 2020)
      The pT-differential non-linear flow modes, v4,22, v5,32, v6,33 and v6,222 for π±, K±, K0S , p + p¯¯¯, Λ + Λ¯¯¯¯ and ϕ-meson have been measured for the first time at sNN−−−√ = 5.02 TeV in Pb-Pb collisions with the ALICE ...

    • Non-linear flow modes of identified particles in Pb–Pb collisions at √sNN=5.02TeV with the ALICE detector 

      Mohammadi, Naghmeh; 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)
      The non-linear flow modes, v4,22, v5,32 and v6,33 as a function of transverse momentum (pT) have been measured for the first time in Pb–Pb collisions at √sNN = 5.02 TeV for identified particles, i.e. charged pions, kaons ...

    • Non-strange and strange D-meson and charm-baryon production in heavy-ion collisions measured with ALICE at the LHC 

      Peng, Xinye; 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)
      We present recent results on strange and non-strange D-meson production measured with ALICE in Pb–Pb collisions at the LHC. In addition, the measurements of the Λ+ c -baryon production and of the Λ+ c /D0 ratio in pp, p–Pb, ...

    • A Nonlinear Differential Equation Solver With Potential Application to Pelton Turbines 

      Tveit, Jesper (Doctoral thesis, 2016-05-02)
      The focus in this thesis is the development and implementation of a new method for solving nonlinear differential equations on a grid. The method’s novelty lies in the way it represents continuously distributed variables ...

    • Nonlinear echoes from encapsulated antibubbles 

      Johansen, Kristoffer; Kotopoulis, Spiros; Poortinga, Albert T.; Postema, Michiel (Peer reviewed; Journal article, 2015-09-19)
      An antibubble consists of a liquid droplet, surrounded by a gas, often with an encapsulating shell. Antibubbles of microscopic sizes suspended in fluids are acoustically active in the ultrasonic range. Antibubbles have ...

    • The nonlinearities in the galvanostatic charging curves of supercapacitors provide insights into charging mechanisms 

      Helseth, Lars Egil (Journal article; Peer reviewed, 2022)
      Supercapacitors are often charged using constant currents. The capacitance can be determined from the slope of the voltage-time curve if the measured voltage over the supercapacitor increases linearly with time. However, ...

    • Nonsequential Two-Photon Double Ionization of He, Li^+ and H^-: a Realistic 1D Model 

      Sletten, Johan Gard (Master thesis, 2024-11-20)

    • North-south asymmetries in cold plasma density in the magnetotail lobes: Cluster observations 

      Haaland, Stein; Lybekk, Bjørn; Maes, Lukas; Laundal, Karl Magnus; Pedersen, Amund; Tenfjord, Paul; Ohma, Anders; Østgaard, Nikolai; Reistad, Jone Peter; Snekvik, Kristian (Peer reviewed; Journal article, 2017-01)
      In this paper, we present observations of cold (0–70 eV) plasma density in the magnetotail lobes. The observations and results are based on 16 years of Cluster observation of spacecraft potential measurements converted ...

    • North–South Asymmetries in Earth’s Magnetic Field. Effects on High-Latitude Geospace 

      Laundal, Karl Magnus; Cnossen, Ingrid; Milan, Stephen Eric; Haaland, Stein; Coxon, John C.; Pedatella, Nick; Förster, Matthias; Reistad, Jone Peter (Peer reviewed; Journal article, 2017-03)
      The solar-wind magnetosphere interaction primarily occurs at altitudes where the dipole component of Earth’s magnetic field is dominating. The disturbances that are created in this interaction propagate along magnetic field ...

    • A note on the multiphase balance equations 

      Hoffmann, Alex Christian (Journal article; Peer reviewed, 2020)
      The formulation and use of the momentum equations for multiphase systems are not always consistent in the literature. The objective of this note is to clarify an issue, which long has hounded the literature on the multiphase ...

    • Novel 3D Pixel Sensors for the Upgrade of the ATLAS Inner Tracker 

      Terzo, Stefano; Boscardin, Maurizio; Carlotto, Juan; Dalla Betta, Gian-Franco; Darbo, Giovanni; Dorholt, Ole; Ficorella, Francesco; Gariano, G; Gemme, Claudia; Giannini, Giulia; Grinstein, S; Heggelund, Andreas; Huiberts, Simon Kristian; Kok, Angela; Koybasi, Ozhan; Lapertosa, Alessandro; Lauritzen, Magne Eik; Manna, Maria; Mendicino, Roberto; Oide, Hideyuki; Pellegrini, Giulio; Povoli, Marco; Quirion, David; Røhne, Ole Myren; Ronchin, S; Sandaker, Heidi; Abdulla Samy, Md. Arif; Stugu, Bjarne Sandvik; Vannoli, Leonardo (Journal article; Peer reviewed, 2021)
      The ATLAS experiment will undergo a full replacement of its inner detector to face the challenges posed by the High Luminosity upgrade of the Large Hadron Collider (HL-LHC). The new Inner Tracker (ITk) will have to deal ...

    • A Novel Approach to Acoustic Liquid Density Measurements Using a Buffer Rod Based Measuring Cell 

      Bjørndal, Erlend; Frøysa, Kjell-Eivind; Engeseth, Svein-Atle (Peer reviewed; Journal article, 2008-08-08)
      A new method for measuring the pressure reflection coefficient in a buffer rod configuration is presented, together with experimental results for acoustic measurements of the liquid density, based on the measurement of the ...

    • A novel approach to construct self-assembled 3D MEMS arrays 

      Akhundzada, Sapida; Yang, Xiaohui; Fiedler, Johannes; Käkel, Eireen; Al-Qargholi, Basim; Buhmann, Stefan; Ehresmann, Arno; Hillmer, Hartmut (Journal article; Peer reviewed, 2022)
      The paper presents the design and technological fabrication process of Yin or Yang-shaped, micron-sized electromechanical system (MEMS) elements displaying asymmetric hollow cylinders with two different curvatures of the ...

    • A novel synthesis of tin oxide thin films by the sol-gel process for optoelectronic applications 

      Maharajan, Marikkannan; Venkatachalapathy, Vishnukanthan; Asokan, Vijayshankar; Jeyanthinath, Mayandi; Pearce, Joshua M. (Peer reviewed; Journal article, 2015)
      A novel and simple chemical method based on sol-gel processing was proposed to deposit metastable orthorhombic tin oxide (SnOx) thin films on glass substrates at room temperature. The resultant samples are labeled according ...

    • A novel synthesis of tin oxide thin films by the sol-gel process for optoelectronic applications 

      Maharajan, Marikkannan; Venkatachalapathy, Vishnukanthan; Asokan, Vijayshankar; Jeyanthinath, Mayandi; Pearce, Joshua M. (Peer reviewed; Journal article, 2015-02-13)
      A novel and simple chemical method based on sol-gel processing was proposed to deposit metastable orthorhombic tin oxide (SnOx) thin films on glass substrates at room temperature. The resultant samples are labeled according ...