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  • MMS Observations of Multiscale Hall Physics in the Magnetotail 

    Alm, Love; André, Mats; Graham, Daniel B.; Khotyaintsev, Yuri V.; Vaivads, Andris; Chappell, Charles Richard; Dargent, Jérémy; Fuselier, Stephen A.; Haaland, Stein; Lavraud, Benoit; Li, Wenya; Tenfjord, Paul; Toledo-Redondo, Sergio; Vines, Sarah K. (Journal article; Peer reviewed, 2019)
    We present Magnetospheric Multiscale mission (MMS) observations of Hall physics in the magnetotail, which compared to dayside Hall physics is a relatively unexplored topic. The plasma consists of electrons, moderately cold ...
  • Observational Evidence of Magnetic Reconnection in the Terrestrial Bow Shock Transition Region 

    Wang, Shan; Chen, Li-Jen; Bessho, Naoki; Hesse, Michael; Wilson, Lynn B.; Giles, Barbara; Moore, Thomas E.; Russell, Christopher T.; Torbert, Roy B.; Burch, James L. (Journal article; Peer reviewed, 2019)
    We report evidence of magnetic reconnection in the transition region of the Earth's bow shock when the angle between the shock normal and the immediate upstream magnetic field is 65°. An ion‐skin‐depth‐scale current sheet ...
  • High‐density O+ in Earth's outer magnetosphere and its effect on dayside magnetopause magnetic reconnection 

    Fuselier, SA; Mukherjee, J; Denton, MH; Petrinec, SM; Trattner, K.J.; Toledo-Redondo, S; Andre, M; Aunai, N; Chappell, Charles Richard; Glocer, Alex; Haaland, S.; Hesse, Michael; Kistler, LM; Lavraud, B; Li, WY; Moore, T. E.; Graham, D; Tenfjord, Paul; Dargent, J.; Vines, Sarah K.; Strangeway, Robert J.; Burch, J. L. (Journal article; Peer reviewed, 2019)
    The warm plasma cloak is a source of magnetospheric plasma that contain significant O+. When the O+ density in the magnetosphere near the magnetopause is >0.2 cm‐3 and the H+ density is <1.5 cm‐3, then O+ dominates the ...
  • Observations of Asymmetric Lobe Convection for Weak and Strong Tail Activity 

    Ohma, Anders; Østgaard, Nikolai; Reistad, Jone Peter; Tenfjord, Paul; Laundal, Karl Magnus; Moretto, Therese; Haaland, Stein; Krcelic, Patrik; Milan, Stephen Eric (Journal article; Peer reviewed, 2019)
    In this study we use high‐quality convection data from the Electron Drift Instrument on board Cluster to investigate how near‐Earth tail activity affects the average convection pattern in the magnetotail lobes when the ...
  • System simulations for the ALICE ITS detector upgrade 

    Nesbø, Simon Voigt; Alme, Johan; Bonora, Matthias; Giubilato, Piero; Helstrup, Håvard; Lupi, Matteo; Rinella, Gianluca Aglieri; Røhrich, Dieter; Schambach, Joachim; Shahoyan, Ruben; Velure, Arild (Journal article; Peer reviewed, 2020)
    Abstract The ALICE experiment at the CERN LHC will feature several upgrades for Run 3, one of which is a new Inner Tracking System (ITS). The ITS upgrade is currently under development and commissioning, and will be ...
  • First experimental evidence of hop fibres in historical textiles 

    Skoglund, Git; Holst, Bodil; Lukesova, Hana (Journal article; Peer reviewed, 2020)
    Hop (Humulus lupulus) has been used in Scandinavia since at least the ninth century AD, as documented through archaeological findings and written, historical records. The written records are mainly focused on the use of ...
  • Performance of the upgraded PreProcessor of the ATLAS level-1 calorimeter trigger 

    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; Hellesund, Simen; 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; Lee, Graham Richard; Lipniacka, Anna; Martin dit Latour, Bertrand; Stugu, Bjarne; 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; Affolder, Anthony Allen; Afik, Yoav; ATLAS, Collaboration (Journal article; Peer reviewed, 2020-11)
    The PreProcessor of the ATLAS Level-1 Calorimeter Trigger prepares the analogue trigger signals sent from the ATLAS calorimeters by digitising, synchronising, and calibrating them to reconstruct transverse energy deposits, ...
  • Search for top squarks in events with a Higgs or Z boson using 139 fb - 1 of pp collision data at √s=13 TeV with the ATLAS detector 

    Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abdinov, Ovsat Bahram oglu; Abed Abud, Adam; 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; Lee, Graham Richard; Lipniacka, Anna; Martin dit Latour, Bertrand; Stugu, Bjarne; 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, 2020-11-23)
    This paper presents a search for direct top squark pair production in events with missing transverse momentum plus either a pair of jets consistent with Standard Model Higgs boson decay into b-quarks or a same-flavour ...
  • Comparing the effects of solar-related and terrestrial drivers on the northern polar vortex 

    Salminen, Antti; Maliniemi, Ville Aleksi; Asikainen, Timo; Mursula, Kalevi (Journal article; Peer reviewed, 2020)
    Northern polar vortex experiences significant variability during Arctic winter. Solar activity contributes to this variability via solar irradiance and energetic particle precipitation. Recent studies have found that ...
  • Search for heavy neutral Higgs bosons produced in association with b-quarks and decaying into b-quarks at √s =13 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; Feigl, Simon; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; 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; Lee, Graham Richard; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Træet, Are Sivertsen; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adachi, Shunsuke; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adorni, Sofia; ATLAS, Collaboration (Journal article; Peer reviewed, 2020-08-13)
    A search for heavy neutral Higgs bosons produced in association with one or two b-quarks and decaying to b-quark pairs is presented using 27.8 fb−1 of √s=13 TeV proton-proton collision data recorded by the ATLAS detector ...
  • Search for new non-resonant phenomena in high-mass dilepton final states 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; Lee, Graham Richard; Lipniacka, Anna; Martin dit Latour, Bertrand; Stugu, Bjarne; Træet, Are Sivertsen; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adersberger, Michael; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; ATLAS, Collaboration (Journal article; Peer reviewed, 2020-11-04)
    A search for new physics with non-resonant signals in dielectron and dimuon final states in the mass range above 2 TeV is presented. This is the first search for non-resonant signals in dilepton final states at the LHC to ...
  • Measurements of the Higgs boson inclusive and differential fiducial cross sections in the 4 ℓ decay channel at √s = 13 TeV 

    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; 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; Lee, Graham Richard; Lipniacka, Anna; Martin dit Latour, Bertrand; Stugu, Bjarne; 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, 2020)
    Inclusive and differential fiducial cross sections of the Higgs boson are measured in the H → Z Z∗ → 4 ( = e, μ) decay channel. The results are based on protonproton collision data produced at the Large Hadron Collider at ...
  • Impacts of CO2 and H2S on the risk of hydrate formation during pipeline transport of natural gas 

    Aromada, Solomon Aforkoghene; Kvamme, Bjørn (Journal article; Peer reviewed, 2019)
    Evaluation of maximum content of water in natural gas before water condenses out at a given temperature and pressure is the initial step in hydrate risk analysis during pipeline transport of natural gas. The impacts of CO2 ...
  • Multiplicity dependence of π, K, and p production in pp collisions at √s=13 TeV 

    Acharya, Shreyasi; Adamová, Dagmar; Adler, Alexander; 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)
    This paper presents the measurements of π±, K±, p and p¯¯¯ transverse momentum (pT) spectra as a function of charged-particle multiplicity density in proton–proton (pp) collisions at s√ = 13 TeV with the ALICE detector at ...
  • Top-quark physics at the CLIC electron-positron linear collider 

    Abramowicz, Halina; Alipour Tehrani, N; Arominski, D; Benhammou, Y; Benoit, M; Blaising, JJ; Boronat, M; Borysov, O; Bosley, RR; Božović Jelisavčić, I; Boyko, I; Brass, S; Brondolin, E; Bruckman de Renstrom, P; Buckland, M; Burrows, PN; Chefdeville, M; Chekanov, S; Coates, T; Dannheim, D; Demarteau, M; Denizli, H; Durieux, G; Eigen, Gerald; Elsener, K; Fullana, E; Fuster, J; Gabriel, M; Gaede, F; Garcia, I; Goldstein, J; Gomis Lopez, P; Graf, C; Green, S; Grefe, C; Grojean, C; Hoang, A; Hynds, D; Joffe, A; Kalinowski, J; Kacarevic, G; Kilian, W; van der Kolk, N; Krawczyk, M; Kucharczyk, M; Leogrande, E; Lesiak, T; Levy, A; Levy, I; Linssen, L; Maier, AA; Makarenko, V; Marshall, JS; Martin, V; Mateu, V; Matsedonskyi, O; Metcalfe, J; Milutinović Dumbelović, G; Munker, RM; Nefedov, Yu; Nowak, K; Nürnberg, A; Pandurović, M; Perelló, M; Perez Codina, E; Petric, M; Pitters, F; Price, T; Quast, T; Redford, S; Repond, J; Robson, A; Roloff, P; Ros, E; Rozwadowska, K; Ruiz-Jimeno, A; Sailer, A; Salvatore, F; Schnoor, U; Schulte, D; Senol, A; Shelkov, G; Sicking, E; Simon, F; Simoniello, R; Sopicki, P; Spannagel, S; Stapnes, Steinar; Ström, R; Szalay, M; Thomson, MA; Turbiarz, B; Viazlo, O; Vicente, M; Vila, I; Vos, M; Vossebeld, J; Watson, MF; Watson, NK; Weber, MA; Weerts, H; Wells, JD; Widl, A; Williams, M; Winter, AG; Wojtoń, T; Wulzer, A; Xu, B; Xia, L; You, T; Żarnecki, AF; Zawiejski, L; Zhang, C; Zhang, J; Zhang, Y; Zhang, Z; Zhemchugov, A (Journal article; Peer reviewed, 2019)
    The Compact Linear Collider (CLIC) is a proposed future high-luminosity linear electron-positron collider operating at three energy stages, with nominal centre-of-mass energies s√ = 380 GeV, 1.5 TeV, and 3 TeV. Its aim is ...
  • MMS Measurements of the Vlasov Equation: Probing the Electron Pressure Divergence Within Thin Current Sheets 

    Shuster, JR; Gershman, Daniel J; Chen, LJ; Wang, S; Bessho, Naoki; Dorelli, John C; da Silva, DE; Giles, Barbara L; Paterson, William R.; Denton, Richard E; Schwartz, S. J.; Norgren, Astrid Elisabet Cecilia; Wilder, F.D.; Cassak, P.A.; Swisdak, M; Uritsky, Vadim; Schiff, C.; Rager, AC; Smith, S; Avanov, LA; Vinas, AF (Journal article; Peer reviewed, 2019)
    We investigate the kinetic structure of electron‐scale current sheets found in the vicinity of the magnetopause and embedded in the magnetosheath within the reconnection exhaust. A new technique for computing terms of the ...
  • Z boson production in Pb+Pb collisions at √sNN=5.02 TeV measured by the ATLAS experiment 

    Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Bjørke, Kristian; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; 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; Lee, Graham Richard; Lipniacka, Anna; Martin dit Latour, Bertrand; Stugu, Bjarne; Træet, Are Sivertsen; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adachi, Shunsuke; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; Affolder, Anthony Allen; ATLAS, Collaboration (Journal article; Peer reviewed, 2020)
    The production yield of Z bosons is measured in the electron and muon decay channels in Pb+Pb collisions at √sNN = 5.02 TeV with the ATLAS detector. Data from the 2015 LHC run corresponding to an integrated luminosity of ...
  • Design and Implementation of a High-Speed Readout and Control System for a Digital Tracking Calorimeter for proton CT 

    Grøttvik, Ola Slettevoll (Doctoral thesis, 2021-02-18)
    Particle therapy, a non-invasive technique for treating cancer using protons and light ions, has become more and more common. For example, a particle treatment facility is currently being built, in Bergen, Norway. Proton ...
  • Scholte Waves in Seabed Mapping 

    Larsen, Erik (Master thesis, 2021-01-29)
    With the growing demand for renewable energy solutions in the world, floating windmills are said to be very effective and environmental friendly for ensuring future’s energy demands. Hence, robust methods for evaluating ...
  • Design og anvendelse av en eksperimentell hydrofoil testrigg 

    Lunestad, Vilde Fitjar (Master thesis, 2021-01-29)
    I dette masterprosjektet designes og konstrueres en eksperimentell testrigg for hydrofoiler. For å undersøke testriggens yteevne benyttes den godt dokumenterte foilen NACA0018 som testobjekt. Preliminære eksperimentelle ...

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