Now showing items 508-527 of 542

    • Testing Fluorescence Lifetime Standards using Two-Photon Excitation and Time-Domain Instrumentation: Rhodamine B, Coumarin 6 and Lucifer Yellow 

      Kristoffersen, Arne Skodvin; Hamre, Børge; Erga, Svein Rune; Frette, Øyvind (Springer, 2014-05-28)
      Having good information about fluorescence lifetime standards is essential for anyone performing lifetime experiments. Using lifetime standards in fluorescence spectroscopy is often regarded as a straightforward process, ...
      Journal article
    • Testing hadronic interaction models using a highly granular silicon-tungsten calorimeter 

      Bilki, Burak; Repond, J; Schlereth, J; Xia, L; Deng, Z; Li, Y; Wang, Y; Yue, Q; Yang, Z; Eigen, Gerald; Mikami, Y; Price, T; Watson, NK; Thomson, MA; Ward, DR; Benchekroun, D; Hoummada, A; Khoulaki, Y; Carloganu, C; Chang, S; Khan, A; Kim, DH; Kong, DJ; Oh, YD; Blazey, GC; Dyshkant, A; Francis, K; Lima, JGR; Salcido, P; Zutshi, V; Boisvert, V; Green, B; Misiejuk, A; Salvatore, F; Kawagoe, K; Miyazaki, Y; Sudo, Y; Suehara, T; Tomita, T; Ueno, H; Yoshioka, T; Apostolakis, J; Folger, G; Ivantchenko, V; Ribon, A; Uzhinskiy, V; Cauwenbergh, S; Tytgat, M; Zaganidis, N; Hostachy, JY; Morin, L; Gadow, K; Göttlicher, P; Gunter, C; Kruger, K; Lutz, B; Reinecke, M; Sefkow, F; Feege, N; Garutti, E; Laurien, S; Lu, S; Marchesini, I; Matysek, M; Ramilli, M; Kaplan, A; Norbeck, E; Northacker, D; Onel, Y; Kim, EJ; Van Doren, B; Wilson, GW; Wing, M; Bobchenko, B; Chadeeva, M; Chistov, R; Danilov, M; Drutskoy, A; Epifantsev, A; Markin, O; Mizuk, R; Novikov, E; Popov, V; Rusinov, V; Tarkovsky, E; Besson, D; Popova, E; Gabriel, M; Kiesling, C; Simon, F; Soldner, C; Szalay, M; Tesar, M; Weuste, L; Amjad, MS; Bonis, J; Callier, S; Conforti Di Lorenzo, S; Cornebise, P; Doublet, Ph; Dulucq, F; Faucci-Giannelli, M; Fleury, J; Frisson, T; Kegl, B; Van Der Kolk, N; Li, H; Martin-Chassard, G; Richard, F; De La Taille, C; Pöschl, R; Raux, L; Rouene, J; Seguin-Moreau, N; Anduze, M; Balagura, V; Becheva, E; Boudry, V; Brient, JC; Cornat, R; Frotin, M; Gastaldi, F; Magniette, F; Matthieu, A; Mora De Freitas, P; Videau, H; Augustin, JE; David, J; Ghislain, P; Lacour, D; Lavergne, L; Zacek, J; Cvach, J; Gallus, P; Havranek, M; Janata, M; Kvasnicka, J; Lednicky, D; Marcisovsky, M; Polak, I; Popule, J; Tomasek, L; Tomasek, M; Ruzicka, P; Sicho, P; Smolik, J; Vrba, V; Zalesak, J; Jeans, D; Götze, M (Elsevier, 2015-09)
      Journal article
    • Testing the presence of CP violation in the 2HDM 

      Grzadkowski, Bohdan; Øgreid, Odd Magne; Osland, Per (PoS - Proceedings of Science, 2015-04-27)
      We review CP properties of the Two-Higgs-Doublet model. In particular, we show that sponta- neous CP violation occurs in the parameter space on the border between regions allowing explicit CP violation and those where ...
      Conference object
    • Theoretical studies of CO2 hydrates formation and dissociation in cold aquifers using RetrasoCodeBright simulator 

      Jemai, Khaled; Kvamme, Bjørn; Vafaei, Mohammad Taghi (World Scientific and Engineering Academy and Society, 2014)
      Abstract: - Hydrates of CO2 and water can form during aquifer storage if the reservoir has regions where conditions of pressure and temperature are inside the hydrate forming conditions. A very common assumption is that ...
      Journal article
    • Theoretical studies of Methane Hydrate Dissociation in porous media using RetrasoCodeBright simulator 

      Chejara, Ashok; Kvamme, Bjørn; Vafaei, Mohammad Taghi; Jemai, Khaled (Elsevier, 2012)
      Methane hydrates in reservoir are generally not in chemical equilibrium, there may be several competing hydrate phase transitions like for instance hydrate dissociation due to pressure or temperature changes, hydrate ...
      Journal article
    • Tilstandsovervåkning av undervanns motordrift med lange forsyningskabler 

      Stjernberg, Stian (The University of Bergen, 2010-06-01)
      Hensikten med denne mastergradsoppgaven er å sette opp et testanlegg bestående av forsyningskabel og induksjonsmotor for å teste om tilstandsovervåkning kan utføres ved strømanalyse av lange forsyningskabler. Det skal ...
      Master thesis
    • Time domain simulations of preliminary breakdown pulses in natural lightning 

      Carlson, Brant Edward; Liang, Can; Bitzer, Phillip M.; Christian, Hugh J. (Wiley, 2015-06)
      Lightning discharge is a complicated process with relevant physical scales spanning many orders of magnitude. In an effort to understand the electrodynamics of lightning and connect physical properties of the channel to ...
      Journal article
    • Time-dependent angular analysis of the decay B0s→J/ψϕ and extraction of ΔΓ s and the CP-violating weak phase ϕ s by ATLAS 

      The ATLAS Collaboration; Aad, Georges; Abajyan, T.; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdelalim, A. A.; Buanes, Trygve; Burgess, Thomas; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Tonoyan, Arshak; Ugland, Maren (Springer Verlag, 2012-12)
      A measurement of B0s→J/ψϕ decay parameters, including the CP -violating weak phase ϕ s and the decay width difference ΔΓ s is reported, using 4.9 fb−1 of integrated luminosity collected in 2011 by the ATLAS detector from ...
      Peer reviewedJournal article
    • To Measure the Efficiency of Energy Transfer Systems Under External 

      Joshi, Pramanand (Universitetet i Bergen (UiB), 2014-06-03)
      Transfer of power wirelessly through magnetic resonance is a hot topic these days not only for low power consumer electronics like laptops, cell phones etc. but also for high power applications like electric cars, trains ...
      Master thesis
    • Transport and storage of CO2 in natural gas hydrate reservoirs 

      Ersland, Geir; Husebø, Jarle; Graue, Arne; Kvamme, Bjørn (Elsevier, 2009-02)
      Storage of CO2 in natural gas hydrate reservoirs may offer stable long term deposition of a greenhouse gas while benefiting from methane production, without requiring heat. By exposing hydrate to a thermodynamically preferred ...
      Journal article
    • Transverse momentum dependence of inclusive primary charged-particle production in p–Pb collisions at √sNN=5.02 TeV 

      Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Agostinelli, Andrea; 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; Bätzing, Paul Christoph; Dordic, Olja; Lindal, Svein; Mahmood, Sohail Musa; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; Langøy, Rune; Lien, Jørgen André; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Ahn, Sul-Ah; Ajaz, Muhammad; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; Alici, Andrea; Alkin, Anton; ALICE, Collaboration (Springer, 2014-09)
      The transverse momentum (pT) distribution of primary charged particles is measured at midrapidity in minimum-bias p–Pb collisions at √sNN = 5.02 TeV with the ALICE detector at the LHC in the range 0.15 < pT < 50 GeV/c. ...
      Journal article
    • Transverse momentum spectra of charged particles in proton-proton collisions at $\sqrt{s}$ = 900 GeV with ALICE at the LHC 

      Aamodt, Kenneth; Alme, Johan; Bablok, Sebastian Robert; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Kanaki, Kalliopi; Kileng, Bjarte; Klovning, Arne; Larsen, Dag Toppe; Liu, Lijiao; Nystrand, Joakim; Øvrebekk, Gaute; Pommeresche, Bjørn-Erling; Richter, Matthias; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Zynovyev, M.; ALICE Collaboration (Elsevier, 2010-09)
      The inclusive charged particle transverse momentum distribution is measured in proton-proton collisions at $\sqrt{s} = 900$~GeV at the LHC using the ALICE detector. The measurement is performed in the central pseudorapidity ...
      Journal article
    • A trigger readout system for the Forward Calorimeter(FoCal) 

      Neyland, Joseph Samuel (The University of Bergen, 2012-11-20)
      The University of Bergen, Norway is currently involved in the development and building of the Forward Calorimeter (FoCal) as an upgrade to the ALICE (A Large Ion Collider Experiment) detector at CERN (European Organization ...
      Master thesis
    • The true fluence distribution of terrestrial gamma flashes at satellite altitude 

      Østgaard, Nikolai; Gjesteland, Thomas; Hansen, R. S.; Collier, A. B.; Carlson, B. E. (American Geophysical Union, 2012-03-24)
      Peer reviewedJournal article
    • Turbulence, Vorticity and Lambda Polarization 

      Csernai, Laszlo; Becattini, Francesco; Wang, Du-Juan (IOP Publishing, 2014)
      Present highest energy heavy ion experiments show the dominance of the fluid dynamical processes. The possibility of new collective phenomena, rotation and turbulence occurs, which were known only in macroscopic systems ...
      Conference object
    • Two Higgs Doublets plus One Dark Matter Singlet 

      Tochin, Alexey (The University of Bergen, 2010-08-01)
      In this thesis an extension of the 2HDM (see chapter 1) is explored. The extension admits an extra inert singlet which is a dark matter candidate. Before the exploration a large part of the thesis (chapter 2) is an ...
      Master thesis
    • Two particle correlation effects from rotation and instabilities in heavy ion collisions 

      Velle, Sindre (The University of Bergen, 2013-05-18)
      Two particle correlations are studied in the reaction plane of peripheral relativistic heavy ion reactions where the initial state has substantial angular momentum. The earlier predicted rotation effect and Kelvin Helmholtz ...
      Master thesis
    • Two- and three-pion quantum statistics correlations in Pb-Pb collisions at √sNN = 2.76 TeV at the CERN Large Hadron Collider 

      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; Øvrebekk, Gaute; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Eyyubova, Gyulnara; Lindal, Svein; Milosevic, Jovan; Qvigstad, Henrik; Richter, Matthias Rudolph; Røed, Ketil; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Zhao, Chengxin; 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; Ahn, Sul-Ah; Ajaz, Muhammad; ALICE, Collaboration (American Physical Society, 2014-02-26)
      Correlations induced by quantum statistics are sensitive to the spatiotemporal extent as well as dynamics of particle-emitting sources in heavy-ion collisions. In addition, such correlations can be used to search for the ...
      Journal article
    • Two-Photon Decay of Non-Standard Higgs Bosons 

      Khater, Wafaa (The University of Bergen, 1999)
      Master thesis
    • Two-photon double ionization of helium by attosecond laser pulses: Evidence of highly correlated electron motion 

      Askeland, Sigurd; Nepstad, Raymond; Førre, Morten (American Physical Society, 2012)
      We apply a recently developed ab initio numerical framework to investigate the angular distributions of the emitted electrons in the immediate proximity of the threshold for the two-photon double ionization of helium. Provided ...
      Peer reviewedJournal article