• Study on viability of Gain Stabilization of SiPMs and determination of b-quark fragmentation fraction ratio f_c/f_u in pp collisions at √s = 13 TeV with the ATLAS detector 

      Træet, Are Sivertsen (Master thesis, 2017-09-05)
      Gain Stabilization of SiPMs through the usage of an external board to regulate bias voltage based on temperature yields a variation in gain of less than 0.5 % using a system of four SiPMs with temperature readout in close ...
    • Sub-resolution contrast in neutral helium microscopy through facet scattering for quantitative imaging of nanoscale topographies on macroscopic surfaces 

      Eder, Sabrina Daniela; Fahy, Adam; Barr, Matthew G.; Manson, Joseph R.; Holst, Bodil; Dastoor, Paul C. (Journal article; Peer reviewed, 2023)
      Nanoscale thin film coatings and surface treatments are ubiquitous across industry, science, and engineering; imbuing specific functional or mechanical properties (such as corrosion resistance, lubricity, catalytic activity ...
    • Substantial Sparing of Organs at Risk with Modern Proton Therapy in Lung Cancer, but Altered Breathing Patterns Can Jeopardize Target Coverage 

      Boer, Camilla Grindeland; Fjellanger, Kristine; Sandvik, Inger Marie; Ugland, Maren; Engeseth, Grete May; Hysing, Liv Bolstad (Journal article; Peer reviewed, 2022-03-08)
      Enhancing treatment of locally advanced non-small cell lung cancer (LA-NSCLC) by using pencil beam scanning proton therapy (PBS-PT) is attractive, but little knowledge exists on the effects of uncertainties occurring between ...
    • Substorm Current Wedge: Energy Conversion and Current Diversion 

      Birn, J.; Borovsky, Joseph E.; Hesse, Michael; Kepko, L. (Journal article; Peer reviewed, 2020)
      Using a magnetohydrodynamic simulation of magnetotail reconnection, flow bursts, and dipolarization, we further investigate the current diversion and energy flow and conversion associated with the substorm current wedge ...
    • Substorm Impact on Dayside Ionospheric Currents 

      Elhawary, Reham Zakaria Ahmed Mohamed; Laundal, Karl Magnus; Reistad, Jone Peter; Madelaire, Michael; Ohma, Anders (Journal article; Peer reviewed, 2023)
      Ionospheric dayside dynamics is strongly controlled by the interaction between the Interplanetary Magnetic Field (IMF) and the Earth's magnetic field near the dayside magnetopause, while nightside ionospheric dynamics ...
    • Substorm Onset Latitude and the Steadiness of Magnetospheric Convection 

      Milan, Stephen Eric; Walach, Maria Theresia; Carter, JA; Sangha, Harneet; Anderson, Brian J. (Peer reviewed; Journal article, 2019-03-10)
      We study the role of substorms and steady magnetospheric convection (SMC) in magnetic flux transport in the magnetosphere, using observations of field‐aligned currents by the Active Magnetosphere and Planetary Electrodynamics ...
    • Supersymmetric Cascade Decays at the LHC 

      Raklev, Are R. (Doctoral thesis, 2007-06-04)
    • Supersymmetric proton decay revisited 

      Ellis, John; Evans, L.; Nagata, Natsumi; Olive, Keith A.; Velasco-Sevilla, Liliana (Journal article; Peer reviewed, 2020)
      Encouraged by the advent of a new generation of underground detectors – JUNO, DUNE and Hyper-Kamiokande – that are projected to improve significantly on the present sensitivities to various baryon decay modes, we revisit ...
    • Supersymmetry with Trilinear R-Parity Violation – Implications for Cosmology and the LHC 

      Bomark, Nils-Erik (Doctoral thesis, 2011-12-16)
      The current Standard Model of particle physics is sometimes referred to as one of the most successful theories ever constructed. When looking at the precision with which its predictions are being confirmed, it is easy to ...
    • Suppression of \(\Upsilon\)(1S) at forward rapidity in Pb-Pb collisions at \(\sqrt{s_{\rm NN}}\) = 2.76 TeV 

      Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Agnello, Michelangelo; Agostinelli, Andrea; Agrawal, Nikita; Ahammed, Zubayer; 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 Rudolph; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen André; Ahn, Sul-Ah; Aiola, Salvatore; Ajaz, Muhammad; Akindinov, Alexander; ALICE, Collaboration (Peer reviewed; Journal article, 2014-11-10)
      We report on the measurement of the inclusive \(\Upsilon\).1S) production in Pb-Pb collisions at \(\sqrt{s_{\rm NN}}=2.76\) TeV carried out at forward rapidity \(2.5<y<4\) and down to zero transverse momentum using its ...
    • Suppression of high transverse momentum D mesons in central Pb--Pb collisions at \(\sqrt{s_{NN}}=2.76\) TeV 

      Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Kanaki, Kalliopi; Langøy, Rune; Lien, Jørgen; Liu, Lijiao; Lønne, Per-Ivar; Nystrand, Joakim; Røed, Ketil; Røhrich, Dieter; Skjerdal, Kyrre; Szostak, Artur Krzysztof; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Øvrebekk, Gaute; Dordic, Olja; Eyyubova, Gyulnara; Kværnø, Henning; Lindal, Svein; Løvhøiden, Gunnar; Milosevic, Jovan; Nilsson, Mads Stormo; Pocheptsov, Timur Anatolievich; Qvigstad, Henrik; Richter, Matthias Rudolph; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Abelev, Betty; Abrahantes Quintana, Arian; 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 (Peer reviewed; Journal article, 2012-09)
      The production of the prompt charm mesons \(D^0\), \(D^+\), \(D^{*+}\), and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at the LHC, at a centre-of-mass energy \(\sqrt{s_{NN}}=2.76\) TeV ...
    • Suppression of Λ(1520) resonance production in central Pb-Pb collisions at √sNN=2.76 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahn, Sang Un; Aiola, Salvatore; 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; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Alessandro, Bruno; Alfaro Molina, José Rubén; Ali, Yasir Turki Ben; ALICE, Collaboration (Peer reviewed; Journal article, 2019-02)
      The production yield of the Λ (1520) baryon resonance is measured at midrapidity in Pb-Pb collisions at √sNN = 2.76 TeV with the ALICE detector at the Large Hadron Collider (LHC). The measurement is performed in the Λ ...
    • Suppression of ψ(2S) production in p-Pb collisions at √sNN=5.02 TeV 

      Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Agnello, Michelangelo; Agostinelli, Andrea; Agrawal, Nikita; Ahammed, Zubayer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Alme, Johan; Erdal, Hege Austrheim; Helstrup, Håvard; Hetland, Kristin Fanebust; Kanaki, Kalliopi; 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 Rudolph; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen André; Ahn, Sul-Ah; Aiola, Salvatore; Ajaz, Muhammad; Akindinov, Alexander; ALICE, Collaboration (Peer reviewed; Journal article, 2014-12)
      The ALICE Collaboration has studied the inclusive production of the charmonium state ψ(2S) in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy √sNN = 5.02TeV at the CERN LHC. The measurement was ...
    • Suprathermal Fe in the Earth's Plasma Environment: Cluster RAPID Observations 

      Haaland, Stein; Daly, Patrick W.; Vilenius, Esa; Krcelic, Patrik; Dandouras, Iannis (Journal article; Peer reviewed, 2020)
      Baryonic matter in geospace is almost exclusively in a plasma state, with protons (H +) and to some extent ionized helium (He) and oxygen (O) being the dominant ion species. But also other heavier ion species and even ...
    • Surface Chemistry Study of Low Salinity Waterflood 

      Kaliyugarasan, Jeelaja (Master thesis, 2013-06-03)
      There is increasing evidence that injecting low salinity brines has a significant impact on the amount of oil recovered, but the exact mechanism by which this occurs is an unsettled issue, and is supposed to be a cause of ...
    • Swampland de Sitter conjectures in no-scale supergravity models 

      Rasulian, Ida M.; Torabian, Mahdi; Velasco-Sevilla, Liliana (Journal article; Peer reviewed, 2021)
      It is challenging to construct explicit and controllable models that realize de Sitter solutions in string compactifications. This difficulty is the main motivation for the refined de Sitter conjecture and the trans-Planckian ...
    • Swarm in situ observations of F region polar cap patches created by cusp precipitation 

      Goodwin, Lindsay; Iserhienrhien, Blessing; Miles, David M.; Patra, Swadesh; van der Meeren, Christer; Buchert, Stephan C.; Burchill, Jonathan; Clausen, Lasse Boy Novock; Knudsen, David J.; McWilliams, Kathryn A.; Moen, Jøran Idar (Peer reviewed; Journal article, 2015-02-26)
      High-resolution in situ measurements from the three Swarm spacecraft, in a string-of-pearls configuration, provide new insights about the combined role of flow channel events and particle impact ionization in creating F ...
    • Symmetries and mass degeneracies in the scalar sector 

      Haber, Howard E.; Øgreid, Odd Magne; Osland, Per; Rebelo, Margarida N. (Peer reviewed; Journal article, 2019-01-04)
      We explore some aspects of models with two and three SU(2) scalar doublets that lead to mass degeneracies among some of the physical scalars. In Higgs sectors with two scalar doublets, the exact degeneracy of scalar masses, ...
    • Symmetries of the 2HDM: an invariant formulation and consequences 

      Ferreira, Pedro M.; Grzadkowski, Bohdan; Øgreid, Odd Magne; Osland, Per (Journal article; Peer reviewed, 2021)
      Symmetries of the Two-Higgs-Doublet Model (2HDM) potential that can be extended to the whole Lagrangian, i.e. the CP-symmetries CP1, CP2, CP3 and the Higgs-family symmetries Z2, U(1) and SO(3) are discussed. Sufficient and ...
    • Symmetry and mass degeneration in multi-Higgs-doublet models 

      Olaussen, Kåre; Osland, Per; Solberg, Marius Aase (Peer reviewed; Journal article, 2011-07-05)
      We investigate possible symmetry properties of the scalar sector of Multi-Higgs-Doublet Models, and, to some extent, the generalization of such models to gauge groups other than SU(2)_L  × U(1)_Y . In models with C (charge ...