Browsing Department of Physics and Technology by Title

Now showing items 1632-1651 of 2190

    • S3-inspired three-Higgs-doublet models: A class with a complex vacuum 

      Kuncinas, Anton; Osland, Per; Øgreid, Odd Magne; Rebelo, Margarida N. (Journal article; Peer reviewed, 2020)
      In this paper we analyze in detail an S3-symmetric three-Higgs-doublet model with a specific vacuum configuration. This analysis allows us to illustrate important features of models with several Higgs doublets, such as the ...

    • En sammenligning av NMRL-data og konvensjonelle loggemetoder fra Trollfeltet 

      Ilnicka, Agnieszka (Master thesis, 2009-04-27)
      Logger kan grupperes etter hvilke ønskede reservoarparametrene disse registrerer. Loggemetoder undersøkt i denne oppgaven kan deles inn i tre kategorier: o Litologiske logger: Gammaloggen o Porøsitetslogger: Tetthetsloggen ...

    • Sammenligning av spredningsmodellering med kodene PHAST og FLACS, for “tyngre en luft” gassjeter med horisontalt sammenstøt, og valideringssimuleringer av MUST forsøkene. 

      Lindtner, Aksel (Master thesis, 2011-01-20)
      Denne rapporten er et arbeid som sammenligner to dataverktøy, PHAST og FLACS vedrørende ulike spredningsscenarier for fluider, først og fremst tung-gassutslipp. Det er utført en rekke simuleringer som ligger til grunn for ...

    • Scaffolding open inquiry: How a teacher provides students with structure and space 

      Bjønness, Birgitte; Kolstø, Stein Dankert (Peer reviewed; Journal article, 2015)
      The present case study examines a teacher’s scaffolding strategies supporting his students during a twelve-week open inquiry project at an upper secondary school. We use interaction analysis to identify how he provides ...

    • Scale size-dependent characteristics of the magnetosphere-ionosphere system using auroral imaging 

      Humberset, Beate Krøvel (Doctoral thesis, 2017-10-06)
      The spectacular and breathtaking aurora dancing around on the night sky visualizes the fundamental behavior of complex processes in the near Earth space. The plethora of papers published over the last five decades have ...

    • Scale size-dependent characteristics of the nightside aurora 

      Humberset, Beate Krøvel; Gjerløv, Jesper; Samara, Marilla; Michell, Robert (Peer reviewed; Journal article, 2017-02)
      We have determined the spatiotemporal characteristics of the magnetosphere-ionosphere (M-I) coupling using auroral imaging. Observations at fixed positions for an extended period of time are provided by a ground-based ...

    • Scattering from spheres and cylinders - revisited 

      Hobæk, Halvor; Nesse, Tonje Lexau (Chapter, 2006)
      Backscattering of sound from elastic spheres is commonly applied for calibration of acoustic systems. Measurements on the "form function" of various tungsten carbide spheres turned out not to match simulations based on ...

    • Scattering studies with low-energy kaon-proton femtoscopy in proton-proton collisions at the LHC 

      Acharya, Shreyasi; Adamová, Dagmar; Adhya, Souvik Priyam; 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; 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; Peer reviewed, 2020)
      The study of the strength and behavior of the antikaon-nucleon (¯KN) interaction constitutes one of the key focuses of the strangeness sector in low-energy quantum chromodynamics (QCD). In this Letter a unique high-precision ...

    • Scenario based analysis of fire escalation in a gas process plant 

      Bjørge, Joachim Søreng (Master thesis, 2013-05-28)
      This study takes place on a medium sized gas process plant called reference plant. In this thesis several escalation scenarios, as well as gas dispersion, is evaluated through Kameleon KFX and Vessfire. It has previously ...

    • Schrödinger formulation of the nondipole light-matter interaction consistent with relativity 

      Førre, Morten; Selstø, Sølve (Journal article; Peer reviewed, 2020)
      An alternative and powerful Schrödinger-like equation for describing beyond dipole laser-matter interactions and leading relativistic corrections is derived. It is shown that this particular formulation is numerically very ...

    • The science case for the EISCAT_3D radar 

      McCrea, Ian W.; Aikio, Anita; Alfonsi, Lucilla; Belova, Evgenia; Buchert, Stephan C.; Clilverd, Mark; Engler, Norbert; Gustavsson, Björn Johan; Heinselman, C.; Kero, Johan; Kosch, Mike; Lamy, Herve; Leyser, Thomas; Ogawa, Yasunobu; Oksavik, Kjellmar; Pellinen-Wannberg, Asta; Pitout, Frederic; Rapp, Markus; Stanislawska, Iwona; Vierinen, Juha (Peer reviewed; Journal article, 2015-07-29)
      The EISCAT (European Incoherent SCATer) Scientific Association has provided versatile incoherent scatter (IS) radar facilities on the mainland of northern Scandinavia (the EISCAT UHF and VHF radar systems) and on Svalbard ...

    • Scintillation and irregularities from the nightside part of a Sun-aligned polar cap arc 

      van der Meeren, Christer; Oksavik, Kjellmar; Lorentzen, Dag Arne; Paxton, Larry J.; Clausen, Lasse Boy Novock (Peer reviewed; Journal article, 2016-06-18)
      In this paper we study the presence of irregularities and scintillation in relation to the nightside part of a long-lived, Sun-aligned transpolar arc on 15 January 2015. The arc was observed in DMSP UV and particle data ...

    • Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere 

      Oksavik, Kjellmar; van der Meeren, Christer; Lorentzen, Dag Arne; Baddeley, Lisa; Moen, Jøran Idar (Journal article, 2015-10-27)
      We present two examples from the cusp ionosphere over Svalbard, where poleward moving auroral forms (PMAFs) are causing significant phase scintillation in signals from navigation satellites. The data were obtained using a ...

    • Search for a common baryon source in high-multiplicity pp collisions at the LHC 

      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; Akbar, Zaenai; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; ALICE, Collaboration (Journal article; Peer reviewed, 2020)
      We report on the measurement of the size of the particle-emitting source from two-baryon correlations with ALICE in high-multiplicity pp collisions at √s = 13 TeV. The source radius is studied with low relative momentum ...

    • Search for a dark leptophilic scalar in e+e- collisions 

      Lees, Jean-Pierre; Poireau, Vincent; Tisserand, Vincent; Grauges, Eugeni; Palano, Antimo; Eigen, Gerald; Brown, David Nathan; Kolomensky, Yury G.; Fritsch, Miriam; Koch, Helmut; Schroeder, Torsten; Cheaib, Racha; Hearty, Christopher; Mattison, Tom S.; McKenna, Janis A.; So, Rocky Y.; Blinov, Vladimir E.; Buzykaev, Alexey; Druzhinin, Vladimir P.; Golubev, Vladimir B.; Kozyrev, Evgeny A.; Kravchenko, Evgeniy A.; Onuchin, Alexei P.; Serednyakov, Sergey I.; Skovpen, Yuri I.; Solodov, Evgeni Petrovich; Todyshev, Korneliy Yu.; Lankford, Andrew J.; Dey, Biplab; Gary, J. William; Long, Owen; Eisner, Alan M.; Lockman, William S.; Panduro-Vazquez, William; Chao, Daniel S.; Cheng, Chih-Hsiang; Echenard, Bertrand; Flood, Kevin T.; Hitlin, David G.; Kim, Jae; Lee, Myeongjae; Miyashita, Tomonari S.; Ongmongkolkul, Piti; Oyang, James; Porter, Frank C.; Röhrken, Markus; Huard, Zachary; Meadows, Brian T.; Pushpawela, Buddhi G.; Sokoloff, Michael D.; Sun, Liang; BABAR, Collaboration (Journal article; Peer reviewed, 2020-10-28)
      Many scenarios of physics beyond the standard model predict the existence of new gauge singlets, which might be substantially lighter than the weak scale. The experimental constraints on additional scalars with masses in ...

    • Search for a heavy charged boson in events with a charged lepton and missing transverse momentum from pp collisions at √s=13  TeV with the ATLAS detector 

      Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abdinov, Ovsat Bahram oglu; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; 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; Abramowicz, Halina; 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 (Peer reviewed; Journal article, 2019)
      A search for a heavy charged-boson resonance decaying into a charged lepton (electron or muon) and a neutrino is reported. A data sample of 139     fb − 1 of proton-proton collisions at √ s = 13     TeV collected with the ...

    • Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb and ℓℓWW final states in pp collisions 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; Garonne, Vincent; Gramstad, Eirik; Heggelund, Andreas; 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, Bertrand Pascal Christian; 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; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; Affolder, Anthony Allen; ATLAS, Collaboration (Journal article; Peer reviewed, 2021)
      A search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 139 fb−1 from proton–proton collisions ...

    • Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb final state in pp collisions at √s=13 TeV with the ATLAS detector 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Abreu, Henso; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Fomin, Nikolai; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Zalieckas, Justas; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; Ahmadov, Faig; Aielli, Giulio; ATLAS, Collaboration (Peer reviewed; Journal article, 2018-08-10)
      A search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton– proton collisions ...

    • Search for a Multi-Higgs Boson Cascade in \(W^+W^− b\bar{b}\) events with the ATLAS detector in pp collisions at √s = 8 TeV 

      Buanes, Trygve; Burgess, Thomas; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Lund, Esben; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Adamczyk, Leszek; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Aefsky, Scott Alan; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-02-19)
      A search is presented for new particles in an extension to the Standard Model that includes a heavy Higgs boson \(H^0\) , an intermediate charged Higgs boson (H±), and a light Higgs boson \(h^0\) . The analysis searches ...

    • Search for a new heavy gauge-boson resonance decaying into a lepton and missing transverse momentum in 36 fb−1 of pp collisions at s√=13 TeV with the ATLAS experiment 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Abreu, Henso; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Zalieckas, Justas; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gjelsten, Børge Kile; Gramstad, Eirik; Morisbak, Vanja; Nilsen, Jon Kerr; Oppen, Henrik; Ould-Saada, Farid; Raddum, Silje Hattrem; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Rômulo F.; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adye, Tim; Affolder, Anthony Allen; Agatonovic-Jovin, Tatjana; Agheorghiesei, Catalin; ATLAS, Collaboration (Peer reviewed; Journal article, 2018)
      The results of a search for new heavy 𝑊′ bosons decaying to an electron or muon and a neutrino using proton–proton collision data at a centre-of-mass energy of 𝑠√ = 13 TeV are presented. The dataset was collected in 2015 ...