Blar i Department of Physics and Technology på tittel

Viser treff 1118-1137 av 2104

    • Medium modification of the shape of small-radius jets in central Pb-Pb collisions at √sN-N-=2.76TeV 

      Acharya, Shreyasi; Acosta, Fernando T.; Adamová, Dagmar; Adler, Clemens; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; 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, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Alessandro, Bruno; ALICE, Collaboration (Peer reviewed; Journal article, 2018-10)
      We present the measurement of a new set of jet shape observables for track-based jets in central Pb-Pb collisions at sNN−−−√=2.76 TeV. The set of jet shapes includes the first radial moment or angularity, g; the momentum ...

    • Medium-induced cascade in expanding media 

      Adhya, Souvik Priyam; Salgado, Carlos A.; Spousta, Martin; Tywoniuk, Konrad (Journal article; Peer reviewed, 2020)
      Detailed insight into the interplay between parton energy loss and the way deconfined medium created in heavy-ion collisions expands is of great importance for improving the understanding of the jet quenching phenomenon. ...

    • Medium-induced modification of Z -tagged charged particle yields in Pb+Pb collisions at 5.02 TeV with the ATLAS detector 

      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 Løkken; 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, Pascal Christian Martin; 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)
      The yield of charged particles opposite to a Z boson with large transverse momentum (pT) is measured in 260 pb^−1 of pp and 1.7  nb^−1 of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with the ATLAS detector ...

    • Medium-induced radiative kernel with the Improved Opacity Expansion 

      Barata, João; Mehtar-Tani, Yacine; Soto-Ontoso, Alba; Tywoniuk, Konrad (Journal article; Peer reviewed, 2021)
      We calculate the fully differential medium-induced radiative spectrum at next-to-leading order (NLO) accuracy within the Improved Opacity Expansion (IOE) framework. This scheme allows us to gain analytical control of the ...

    • Mesoscale ionospheric plasma irregularities and scintillation over Svalbard 

      van der Meeren, Christer (Doctoral thesis, 2016-10-21)
      This thesis investigates how navigation signals are compromised by ionospheric plasma irregularities in the auroral and polar ionosphere over Svalbard. In 2013, four multiconstellation global navigation satellite system ...

    • Mesospheric nitric acid enhancements during energetic electron precipitation events simulated by WACCM‐D 

      Orsolini, Yvan; Smith-Johnsen, Christine; Marsh, Daniel R.; Stordal, Frode; Rodger, Craig J.; Verronen, Pekka T.; Clilverd, Mark A. (Peer reviewed; Journal article, 2018-07)
      While observed mesospheric polar nitric acid enhancements have been attributed to energetic particle precipitation through ion cluster chemistry in the past, this phenomenon is not reproduced in current whole‐atmosphere ...

    • Mesospheric Nitric Oxide Transport in WACCM 

      Smith-Johnsen, Christine; Marsh, Daniel Robert; Smith, Anne K.; Tyssøy, Hilde Nesse; Maliniemi, Ville Aleksi (Journal article; Peer reviewed, 2022)
      Energetic particle precipitation (EPP) causes ionization of the main constituents of the Earth's atmosphere which leads to the production of nitric oxide (NO) throughout the polar mesosphere and lower thermosphere (MLT). ...

    • Meter-scale spark X-ray spectrum statistics 

      Carlson, Brant Edward; Østgaard, Nikolai; Kochkin, Pavlo; Grøndahl, Øystein; Nisi, Ragnhild Schrøder; Weber, Kristian; Scherrer, Zack; LeCaptain, Kristian (Peer reviewed; Journal article, 2015-11-13)
      X-ray emission by sparks implies bremsstrahlung from a population of energetic electrons, but the details of this process remain a mystery. We present detailed statistical analysis of X-ray spectra detected by multiple ...

    • Methane and carbon dioxide exchange production studies from exposed natural gas hydrate 

      Jalloh, Alusine (Master thesis, 2010)
      Two laboratory experimental setups have been designed in collaboration with the Reservoir Physics Group at the Department of Physics and Technology. The equipments have been completed and tested. The first experiment was ...

    • Methane Hydrate Production Using Mixture of CO2 and N2. 

      Sapate, Aruna Mahaveer (Master thesis, 2015-06-09)
      Gas Hydrates (GHs) are naturally occurring solid, crystalline compounds in which natural gas is trapped inside the cage like structures formed by water molecules. Lately a novel technology has been developed for the ...

    • Methane Production from Natural Gas Hydrates. Impact of Temperature on CH4 -CO2 Exchange rate in Hydrate Bearing Sandstone 

      Håheim, Truls Hamre (Master thesis, 2013-06-17)
      Dissociation by pressure depletion, thermal stimulation and/or injection of inhibitors are three known methods for gas production from natural gas hydrates. Challenges concerning these production methods are water and sand ...

    • Method for measuring cooling efficiency ofwater droplets impinging onto hot metal discs 

      Bjørge, Joachim Søreng; Metallinou, Maria-Monika; Log, Torgrim; Frette, Øyvind (Peer reviewed; Journal article, 2018-06-09)
      The present work outlines a method for measuring the cooling efficiency of droplets impinging onto hot metal discs in the temperature range of 85 °C to 400 °C, i.e., covering the boiling regimes experienced when applying ...

    • A method to derive satellite PAR albedo time series over first-year sea ice in the Arctic Ocean 

      Laliberté, Julien; Rehm, Eric; Hamre, Børge; Goyens, Clémence; Perovich, Donald K.; Babin, Marcel (Journal article; Peer reviewed, 2022)
      Deriving sea ice albedo from spaceborne platforms is of interest to model the propagation of the photosynthetically available radiation (PAR) through Arctic sea ice. We show here that use of the Moderate Resolution Imaging ...

    • A method to estimate the boson mass and to optimise sensitivity to helicity correlations of tau+tau final states 

      Rosendahl, Peter Lundgaard; Burgess, Thomas; Stugu, Bjarne (Peer reviewed; Journal article, 2012-01-11)
      In proton-proton collisions at LHC energies, Z0 and low mass Higgs bosons would be produced with high and predominantly longitudinal boost with respect to the beam axis. This note describes a new analysis tool devised to ...

    • Micro-assisted fabrication of collagen matrix to study cell mechanical behaviour under micro-confinement 

      Strand, Øystein Bachmann (Master thesis, 2012-01-13)
      The aim of this work has been to optimize a microenvironment for study of the behaviour of living cells. This type of microenvironment has previously been used to compare adhesion ability for different cell types and those ...

    • The Micro-Macro Coupling of Mass-Loading in Symmetric Magnetic Reconnection With Cold Ions 

      Spinnangr, Susanne Flø; Hesse, Michael; Tenfjord, Paul Arne Riksheim; Norgren, Astrid Elisabet Cecilia; Kolstø, Håkon Midthun; Kwagala, Norah Kaggwa; Jørgensen, Therese Moretto (Journal article; Peer reviewed, 2021)
      We investigate how magnetic reconnection is influenced by an inflow of a dense cold ion population. We compare two 2.5D Particle-In-Cell simulations, one containing the cold population and one without. We find that the ...

    • Microdosimetry with a 3D silicon on insulator (SOI) detector in a low energy proton beamline 

      Samnøy, Andreas Tefre; Ytre-Hauge, Kristian; Malinen, Eirik; Tran, Linh; Rosenfeld, Anatoly; Povoli, Marco; Kok, Angela Chun Ying; Summanwar, Anand; Røhrich, Dieter (Journal article; Peer reviewed, 2020)
      An accurate description of the radiation quality of proton beams is a precondition to increase our understanding of radiobiological mechanisms and to develop accurate biological response models for radiotherapy. However, ...

    • Microfluidic hydrogen storage capacity and residual trapping during cyclic injections: Implications for underground storage 

      Lysyy, Maksim; Liu, Na; Solstad, Celine Marie; Fernø, Martin; Ersland, Geir (Journal article; Peer reviewed, 2023)
      Long-term and large-scale H2 storage is vital for a sustainable H2 economy. Research in underground H2 storage (UHS) in porous media is emerging, but the understanding of H2 reconnection and recovery mechanisms under cyclic ...

    • Microscopic and macroscopic assessment of carbonate dissolution for geologic CO2 storage 

      Cobos Mora, Jacquelin Elizabeth; Folkvord, Olav Parelius; Søgaard, Erik G.; Brattekås, Bergit (Journal article; Peer reviewed, 2023)
      Carbon capture and storage in underground formations might be considered as a relevant technology to curb anthropogenic climate gas emissions. However, carbon dioxide (CO2) injection can lead to severe rock-fluid interactions ...

    • Mid-rapidity anti-baryon to baryon ratios in pp collisions at \(\sqrt{s}\) = 0.9, 2.76 and 7 TeV measured by ALICE 

      Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Langøy, Rune; Lien, Jørgen; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røed, Ketil; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Bätzing, Paul Christoph; Dordic, Olja; Eyyubova, Gyulnara; Kværnø, Henning; Lindal, Svein; Løvhøiden, Gunnar; Milosevic, Jovan; Nilsson, Mads Stormo; Qvigstad, Henrik; Richter, Matthias; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Abbas, Eham Gamal; Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Adare, Andrew Marshall; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agocs, Andreas Gabor; Agostinelli, Andrea; Aguilar Salazar, Saul; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; ALICE, Collaboration (Peer reviewed; Journal article, 2013-07)
      The ratios of yields of anti-baryons to baryons probes the mechanisms of baryon-number transport. Results for anti-proton/proton, anti-\(\Lambda/\Lambda\), anti-\(\Xi^{+}/\Xi^{-}\) and anti-\(\Omega^{+}/\Omega^{-}\) in pp ...