Browsing Department of Physics and Technology by Title

Now showing items 514-533 of 1365

    • K*(892)\(^0\) and \(\Phi\)(1020) production in Pb-Pb collisions at \(\sqrt{s_{NN}}\) = 2.76 TeV 

      Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Agnello, Michelangelo; Agostinelli, Andrea; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; 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; Arsene, Ionut Christian; Bätzing, Paul Christoph; Dordic, Olja; Lindal, Svein; 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; Ahmed, Ijaz; Ahn, Sang Un; Ahn, Sul-Ah; Aimo, Ilaria; Aiola, Salvatore; Ajaz, Muhammad; Akindinov, Alexander; ALICE, Collaboration (Peer reviewed; Journal article, 2015-02)
      The yields of the K*(892)\)^0\) and \(\Phi\)(1020) resonances are measured in Pb-Pb collisions at \(\sqrt{s_{NN}}\) = 2.76 TeV through their hadronic decays using the ALICE detector. The measurements are performed in ...

    • K\(^{*}(892)^{0}\) and \(\phi(1020)\) meson production at high transverse momentum in pp and Pb-Pb collisions at \(\sqrt{s_\mathrm{NN}}\) = 2.76 TeV 

      Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Ahn, Sang Un; Aiola, Salvatore; Alme, Johan; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Altinpinar, Sedat; 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; Langøy, Rune; Lien, Jørgen André; Akindinov, Alexander; Alam, Sk Noor; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Alessandro, Bruno; Alexandre, Didier; ALICE, Collaboration (Peer reviewed; Journal article, 2017-06)
      The production of K\).{*}(892)^{0}\) and \(\phi(1020)\) mesons in proton-proton (pp) and lead-lead (Pb-Pb) collisions at \(\sqrt{s_\mathrm{NN}} =\) 2.76 TeV has been analyzed using a high luminosity data sample accumulated ...

    • Kaon femtoscopy in Pb-Pb collisions at \(\sqrt{s_{\rm{NN}}}\) = 2.76 TeV 

      Acharya, Shreyasi; Adam, Jaroslav; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, G.; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Ahn, Sang Un; 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; Milosevic, Jovan; Richter, Matthias Rudolph; 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; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; Alba, José Luis Bazo; De Albuquerque, Danilo Silva; ALICE, Collaboration (Peer reviewed; Journal article, 2017-12-21)
      We present the results of three-dimensional femtoscopic analyses for charged and neutral kaons recorded by ALICE in Pb-Pb collisions at \(\sqrt{s_{\rm{NN}}}\) = 2.76 TeV. Femtoscopy is used to measure the space-time ...

    • Karakterisering av silika nanopartikler for økt oljeutvinning 

      Pettersen, Birgitte (Master thesis, 2014-09-01)
      Anvendelsen av silika nanopartikler for EOR-formål krever stabile dispersjoner ved typiske reservoarforhold. Optimale silikadispersjoner vil være stabile over lengre tid ved nøytrale pH- verdier og høye elektrolyttkonsentrasjoner. ...

    • Kinetic description of particle emission from expanding source 

      Magas, Volodymyr; Csernai, Lászóo Pal (Peer reviewed; Journal article, 2008-05-22)
      The freeze out of the expanding systems, created in relativistic heavy ion collisions, is discussed. We combine kinetic freeze out equations with Bjorken type system expansion into a unified model. The important feature ...

    • Kjennetegn på elevers teorifokuserte dialoger under praktiske aktiviteter i naturfagsundervisning 

      Sjåstad, Sigrid (Master thesis, 2018-06-20)
      Overordnet tema for oppgaven er dialog, der fokus ligger på dialog mellom elever uten lærerveiledning. Muntlige ferdigheter er en grunnleggende ferdighet som skal inngå i alle skolens fag, inkludert naturfag (Utdanningsd ...

    • L0/L1 trigger generation by the ALICE PHOS detector 

      Liu, Lijiao (Doctoral thesis, 2011-12-14)
      Quark-Gluon Plasma (QGP) is a phase that exists above a critical temperature and corresponding energy density according to the theory of Quantum Chromo-Dynamics (QCD). The studies of the QGP help us to understand the early ...

    • A Lagrangian study of liquid flow in a reverse-flow hydrocyclone using positron emission particle tracking 

      Chang, Yu-Fen; Hoffmann, Alex Christian (Peer reviewed; Journal article, 2015-01-10)
      In this study the liquid flow in a reverse-flow hydrocyclone is studied experimentally using the Lagrangian approach. Resin beads with densities that are close to the density of the liquid in which they move, i.e. ...

    • \lambda Polarization in Heavy Ion Collisions 

      Glastad, Robert Clay (Master thesis, 2015-06-02)
      Results on transverse lambda polarization in peripheral heavy ion collisions in an exact, analytic, self-similar rotating hydrodynamics model using the gradient and curl of the inverse temperature field. We estimate the ...

    • Large scale collective modeling the final "Freeze out" stages of energetic heavy ion reactions and calculation of single particle measurables from these models 

      Nyiri, Agnes (Doctoral thesis, 2005-09-30)

    • Laser excited Li Rydberg atoms in electric and magnetic fields 

      Waheed, Abdul (Doctoral thesis, 2012-05-09)

    • Late Time Entropy Production in Leptogenesis Scenarios 

      Breistein, Martin Nygård (Master thesis, 2016-12-20)
      In this thesis we will consider Standard Model (SM) Leptogenesis scenarios and determine the maximally allowed entropy production with respect to the mass of the lightest right handed neutrino. We extend the SM Leptogenesis ...

    • Learning science in interactive exhibitions. Frameworks for design and evaluation of material for exploratory learning experiences 

      Hauan, Nils Petter (Doctoral thesis, 2017-03-10)
      This study addresses utilization of interactive science exhibitions as resources that support students’ progress towards conceptual understanding of science. Informed by previous empirical studies related to our area ...

    • Light (anti-)nuclei production and elliptic flow at the LHC with ALICE 

      Puccio, Maximiliano; 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; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Helstrup, Håvard; 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 (Peer reviewed; Journal article, 2019)
      Results on the production of stable light nuclei, including deuterons, 3He, 4He and the corresponding anti-nuclei, in Pb–Pb collisions at √sNN = 2.76 TeV and √sNN = 5.02 TeV are presented and compared with theoretical ...

    • Light absorption and scattering of 40–170 nm gold nanoparticles on glass substrates 

      Flatabø, Ranveig; Holm, Vårin Renate Andvik; Eidsvåg, Håkon; Holst, Bodil; Greve, Martin Møller (Peer reviewed; Journal article, 2017)
      The localized surface plasmon resonance (LSPR) effect in metal nanoparticles is important for many applications ranging from detectors and sensors to photovoltaic devices. The LSPR wavelength is sensitive to the shape, ...

    • Light-quark and gluon jet discrimination in pp collisions at √s = 7 TeV with the ATLAS detector 

      Aad, Georges; Abbott, Brad; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; 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; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Rômulo F.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Ahmad, Aharrouche; Åkesson, Torsten P.A.; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-08-21)
      A likelihood-based discriminant for the identification of quark- and gluon-initiated jets is built and validated using 4.7 fb−1 of proton–proton collision data at √s = 7 TeV collected with the ATLAS detector at the LHC. ...

    • Limits on the production of the standard model Higgs boson in pp collisions at s=7 TeV with the ATLAS detector 

      ATLAS, Collaboration; Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdelalim, A. A.; Buanes, Trygve (Peer reviewed; Journal article, 2011-09-20)
      A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb−1 collected by the ATLAS detector ...

    • Linear and non-linear flow modes in Pb-Pb collisions at \(\sqrt{s_{\rm NN}} =\) 2.76 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, Shafiq F.; Ahn, Sang Un; Alme, Johan; Altenkaemper, Lucas; 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; 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; Alba, José Luis Bazo; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Alessandro, Bruno; ALICE, Collaboration (Peer reviewed; Journal article, 2017-10)
      The second and the third order anisotropic flow, \(V_{2}\) and \(V_3\). are mostly determined by the corresponding initial spatial anisotropy coefficients, \(\varepsilon_{2}\) and \(\varepsilon_{3}\). in the initial density ...

    • Long lived charginos in Natural SUSY? 

      Bomark, Nils-Erik; Kvellestad, Anders; Lola, Smaragda; Osland, Per; Raklev, Are (Peer reviewed; Journal article, 2014-05-05)
      Supersymmetric models with a small chargino-neutralino mass difference, and as a result metastable charginos, have been a popular topic of investigation in collider phenomenology. The possibility of a chargino lighter than ...

    • Long-range angular correlations of π, K and p in p–Pb collisions at \(\sqrt{s_{NN}}\) = 5.02 TeV 

      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; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røed, Ketil; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Yang, Shiming; Bätzing, Paul Christoph; Dordic, Olja; Eyyubova, Gyulnara; Lindal, Svein; Løvhøiden, Gunnar; Milosevic, Jovan; Nilsson, Mads Stormo; Qvigstad, Henrik; Richter, Matthias; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Wikne, Jon Christopher; Abelev, Betty; Adam, Jaroslav; Adamová, Dagmar; Adare, Andrew Marshall; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agocs, Andreas Gabor; Agostinelli, Andrea; Ahammed, Zubayer; Ahmad, Nazeer; Ahmad Masoodi, Arshar; Ahn, Sang Un; Ajaz, Muhammad; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; Alici, Andrea; ALICE, Collaboration (Peer reviewed; Journal article, 2013-10)
      Angular correlations between unidentified charged trigger particles and various species of charged associated particles (unidentified particles, pions, kaons, protons and antiprotons) are measured by the ALICE detector in ...