Browsing Fysisk institutt by Title

Now showing items 627-646 of 2138

  • f0(980) resonance production in pp collisions with the ALICE detector at the LHC 
    Lorenzo, Alessandra; 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; 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, Mohammad; Alam, Sk Noor; Albuquerque, D. S. D.; Aleksandrov, Dmitry; Alessandro, Bruno; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
  • Fabrication of SiGe/Ge core-shell nanowires by oxidation of SiGe 
    Kløw, Frode (Master thesis / Masteroppgave, 2011)
    As Si technology is reaching its limits in solar cell and transistor applications, ways to improve these devices are being investigated. This study looks at the fabrication process of SiGe/Ge core-shell nanowires (NWs). ...
  • Fake lepton determination, Supersymmetry searches in di-lepton final states, and sharing ATLAS research with young students 
    Pedersen, Maiken (Doctoral thesis / Doktoravhandling, 2014)
    The world around us seems concrete and apparent. However, it is in fact governed by what goes on at the sub-atomic level, hidden from immediate experience. We describe this microscopic world by a theory we call the Standard ...
  • Fast and Slow Flux Dynamics in Superconductors : A Magneto-Optical Imaging Study 
    Olsen, Åge Andreas Falnes (Doctoral thesis / Doktoravhandling, 2007)
    The thesis presents results on two different aspects of flux penetration into superconductors. It is predominantly an experimental study using magneto-optical imaging, a microscopy technique for visualising magnetic ...
  • FDG-PET/CT-based Assessment of Hematologic Toxicity in Anal Cancer Patients During Chemoradiation 
    Kalsnes, Joakim (Master thesis / Masteroppgave, 2018)
    Standard treatment for patients with anal cancer is concurrent chemoradiotherapy (CRT), the radiotherapy is combined with Mitomycin C (MMC) and 5-Flourouracil (5-FU). This treatment is known to cause high rates of severe ...
  • A feasibility study of electrorotation as an alternative to impedance measurements 
    Jansen, Anders (Master thesis / Masteroppgave, 2018)
  • Feeding of plankton in turbulent oceans and lakes 
    Pécseli, Hans L.; Trulsen, Jan K.; Stiansen, Jan Erik; Sundby, Svein; Fossum, Petter (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Analytical models for the statistical distribution of the gut content of fish larvae in a turbulent ocean environment are compared to data obtained in a field experiment. The proposed model allows the nutrition state and ...
  • Fiducial and differential cross sections of Higgs boson production measured in the four-lepton decay channel in pp collisions at √s=8 TeV with the ATLAS detector 
    Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Smestad, Lillian; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Franconi, Laura; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Henso; Abreu, Rômulo F.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Åkerstedt, Henrik; Åkesson, Torsten P.A.; Åsman, Barbro; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
  • Film flow dominated simultaneous flow of two viscous incompressible fluids through a porous medium 
    Aursjø, Olav; Erpelding, Marion; Tallakstad, Ken Tore; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    We present an experimental study of two-phase flow in a quasi-two-dimensional porous medium. The two phases, a water-glycerol solution and a commercial food grade rapeseed/canola oil, having an oil to water-glycerol viscosity ...
  • Finite element studies of quantum dots 
    Drøsdal, Lene Norderhaug (Master thesis / Masteroppgave, 2009)
    The time-independent Schrödinger equation is solved using the finite element method (FEM) and the finite difference method (FDM). The resulting eigenvalue problems are solved using the ARPACK++ library. Both methods are ...
  • Firing-rate based network modeling of the dLGN circuit: Effects of cortical feedback on spatiotemporal response properties of relay cells 
    Mobarhan, Milad; Halnes, Geir; Martínez-Cañada, Pablo; Hafting, Torkel; Fyhn, Marianne; Einevoll, Gaute (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Visually evoked signals in the retina pass through the dorsal geniculate nucleus (dLGN) on the way to the visual cortex. This is however not a simple feedforward flow of information: there is a significant feedback from ...
  • Firing-rate models for neurons with a broad repertoire of spiking behaviors 
    Heiberg, Thomas; Kriener, Birgit; Tetzlaff, Tom; Einevoll, Gaute; Plesser, Hans Ekkehard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Capturing the response behavior of spiking neuron models with rate-based models facilitates the investigation of neuronal networks using powerful methods for rate-based network dynamics. To this end, we investigate the ...
  • First evidence of low energy enhancement in Ge isotopes 
    Renstrøm, Therese; Nyhus, Hilde-Therese; Utsunomiya, Hiroaki; Larsen, Ann-Cecilie; Siem, Sunniva; Guttormsen, Magne Sveen; Filipescu, Dan Mihai; Gheorghe, I.; Goriely, Stephane; Bernstein, L. A.; Bleuel, Darren L.; Glodariu, T.; Görgen, Andreas; Hagen, Trine Wiborg; Lui, Y.-W.; Negi, Dinesh; Ruud, Inger Eli; Sahin, Eda; Schwengner, Ronald; Shima, T.; Takahisa, K.; Tesileanu, O.; Tornyi, Tamas Gabor; Tveten, Gry Merete; Wiedeking, Mathis (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The γ-strength functions and level densities of 73,74Ge have been extracted from particle-γ coincidence data using the Oslo method. In addition the γ-strength function of 74Ge above the neutron separation threshold, Sn = ...
  • First experimental constraint on the 191Os(n, γ) reaction rate relevant to s-process nucleosynthesis 
    Kullmann, Ina Kristine Berentsen (Master thesis / Masteroppgave, 2018)
    The first experimentally constrained Maxwellian-averaged cross section for the 191Os(n, γ)192Os reaction relevant to s-process nucleosynthesis has been calculated by means of the nuclear level density and γ-strength function ...
  • First experimental constraint on the 191Os(n,γ) reaction rate relevant to s-process nucleosynthesis 
    Kullmann, Ina Kristine Berentsen; Larsen, Ann-Cecilie; Renstrøm, Therese; Beckmann, Kristine Sønstevold; Bello Garrote, Frank Leonel; Crespo Campo, Lucia; Görgen, Andreas; Guttormsen, Magne Sveen; Midtbø, Jørgen E.; Sahin, Eda; Siem, Sunniva; Tveten, Gry Merete; Zeiser, Fabio (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The nuclear level density and γ -decay strength of 192 Os have been extracted using particle- γ coincidence data from the 192 Os ( α , α ′ γ ) 192 Os reaction by means of the Oslo method. The level density is found to be ...
  • First irradiation test results of the ALICE SAMPA ASIC 
    Mahmood, Sohail Musa; Røed, Ketil; Velure, Arild; Winje, Fredrik Lindseth (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    With the continuous scaling of the CMOS technology, the CMOS circuits are considered to be more tolerant to Single event Latchup (SEL) effects due to the reduction in the supply voltages. This paper reports the results ...
  • First measurement of jet mass in Pb–Pb and p–Pb collisions at the LHC 
    Acharya, Shreyasi; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Ahn, Sang Un; Alme, Johan; Djuvsland, Øystein; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Zhang, Hui; Zhou, Zhuo; Zhu, Hongsheng; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; Milosevic, Jovan; Qvigstad, Henrik; 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; Langøy, Rune; Lien, Jørgen André; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Alessandro, Bruno; Alexandre, Didier; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    This letter presents the first measurement of jet mass in Pb–Pb and p–Pb collisions at √sNN = 2.76 TeV and √sNN = 5.02 TeV, respectively. Both the jet energy and the jet mass are expected to be sensitive to jet quenching ...
  • First measurement of Ξc0 production in pp collisions at √s = 7 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; Fionda, Fiorella Maria Celeste; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Tambave, Ganesh Jagannath; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Zhang, Hui; Zhou, Zhuo; Zhu, Hongsheng; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lardeux, Antoine Xavier; Lindal, Svein; Mahmood, Sohail Musa; 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; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The production of the charm-strange baryon 0 c is measured for the first time at the LHC via its semileptonic decay into e+−νe in pp collisions at √s = 7 TeV with the ALICE detector. The transverse momentum (pT) differential ...
  • FIRST MEASUREMENTS OF TROJAN HORSE INJECTION IN A PLASMA WAKEFIELD ACCELERATOR 
    Hidding, B.; Manahan, G. G.; Heinemann, T.; Scherkl, P.; Habib, F.; Ullmann, D.; Beaton, A.; Sutherland, A.; Knetsch, A.; Karger, O.; Wittig, G.; O'Shea, B. D.; Yakimenko, V.; Hogan, M.J.; Green, S. Z.; Clarke, C. I.; Gessner, S. J.; Rosenzweig, J. B.; Deng, A.; Litos, M. D.; Bruhwiler, D. L.; Smith, J.; Cary, J. R.; Zgadzaj, R.; Downer, M.C.; Lindstrøm, Carl A.; Adli, Erik; Andonian, G. (Chapter / Bokkapittel / PublishedVersion; Peer reviewed, 2017)
    Plasma accelerators support accelerating fields of 10-100’s of GV/m over meter-scale distances and routinely produce femtosecond-scale, multi-kA electron bunches. The so called Trojan Horse underdense photocathode plasma ...
  • First observation of an attractive interaction between a proton and a cascade baryon 
    Acharya, Shreyasi; Adamová, Dagmar; Adhya, Souvik Priyam; Adler, Alexander; 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; 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; 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; Ahmad, Shafiq F.; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    This Letter presents the first experimental observation of the attractive strong interaction between a proton and a multistrange baryon (hyperon) Ξ−. The result is extracted from two-particle correlations of combined ...