Browsing Fysisk institutt by Title

Now showing items 1591-1610 of 2561

  • Observation and Measurement of Forward Proton Scattering in Association with Lepton Pairs Produced via the Photon Fusion Mechanism at ATLAS 
    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; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The observation of forward proton scattering in association with lepton pairs (e+e−+p or μ+μ−+p) produced via photon fusion is presented. The scattered proton is detected by the ATLAS Forward Proton spectrometer, while the ...
  • Observation of an excited Bc± meson state 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; 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; Agustoni, Marco; Åkerstedt, Henrik; Åkesson, Torsten P.A.; Åsman, Barbro; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
  • Observation of centrality-dependent acoplanarity for muon pairs produced via two-photon scattering in Pb+Pb collisions at √sNN=5.02  TeV with the ATLAS detector 
    Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; 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; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; Zwalinski, L; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    This Letter presents a measurement of γγ → μþμ− production in Pb þ Pb collisions recorded by the ATLAS detector at the Large Hadron Collider at ffiffiffiffiffiffiffi sNN p ¼ 5.02 TeV with an integrated luminosity of 0.49 ...
  • Observation of electroweak production of a same-sign W boson pair in association with two jets in pp collisions at √s=13  TeV with the ATLAS detector 
    Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Fomin, Nikolai; 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; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
  • Observation of electroweak W±Z boson pair production in association with two jets in pp collisions at √s = 13 TeV with the ATLAS detector 
    Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Djuvsland, Julia Isabell; Buanes, Trygve; 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; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    An observation of electroweak W ± Z production in association with two jets in proton–proton collisions is presented. The data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016 at a centre-of-mass ...
  • Observation of H → b¯b decays and VH production with the ATLAS detector 
    Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; 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; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adam, L.; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    A search for the decay of the Standard Model Higgs boson into a b¯ b pair when produced in association with a W or Z boson is performed with the ATLAS detector. The data, corresponding to an integrated luminosity of 79.8 ...
  • Observation of Higgs boson production in association with a top quark pair at the LHC with the ATLAS detector 
    Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; 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; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The observation of Higgs boson production in association with a top quark pair (tt H¯ ), based on the analysis of proton–proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the ...
  • Observation of Large Scissors Resonance Strength in Actinides 
    Guttormsen, Magne Sveen; Bernstein, Lee; Bürger, Alexander; Görgen, Andreas; Gunsing, Frank; Hagen, Trine Wiborg; Larsen, Ann-Cecilie; Renstrøm, Therese; Siem, Sunniva; Wiedeking, Mathis; Wilson, Jonathan (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    The orbital M1 scissors resonance has been measured for the first time in the quasicontinuum of actinides. Particle-γ coincidences are recorded with deuteron and 3He-induced reactions on 232Th. The residual nuclei 231,232,233Th ...
  • Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions 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; Abraham, Nadine L.; 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; ATLAS, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
  • The observation of vibrating pear-shapes in radon nuclei 
    Butler, P.A.; Gaffney, LP; Spagnoletti, P.; Konki, J.; Scheck, M.; Smith, J.F.; Abrahams, K.; Bowry, M.; Cederkall, J.; Chupp, T.; De Angelis, G.; De Witte, H.; Garrett, P.E.; Goldkuhle, A.; Henrich, C.; Illana, A.; Johnston, K.; Joss, D.T.; Keatings, J.M.; Kelly, N.A.; Komorowska, M.; Kröll, T.; Lozano, M.; Nara Singh, B.S.; O'Donnell, D.; Ojala, J.; Page, R.D.; Pedersen, Line Gaard; Raison, C.; Reiter, P; Rodriguez, J.A.; Rosiak, D.; Rothe, S.; Shneidman, T.M.; Siebeck, B.; Seidlitz, M.; Sinclair, J.; Stryjczyk, M.; Van Duppen, P; Vinals, S.; Virtanen, V.; Warr, N.; Wrzosek-Lipska, K; Zielinska, M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate ...
  • Observational Evidence for the Role of Hall Conductance in Alfvén Wave Reflection 
    Ivarsen, Magnus Fagernes; Park, Jaeheung; Kwak, Young-Sil; Jin, Yaqi; Knudsen, D. J.; Clausen, Lasse Boy Novock (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Electromagnetic energy carried by magnetohydrodynamic modes is an important mechanism in the energy transfer between the magnetosphere and the ionosphere. Alfvén waves are known to carry field‐aligned currents and thus ...
  • Observational evidence for throat aurora being associated with magnetopause reconnection 
    Han, De-Sheng; Xu, Tong; Jin, Yaqi; Oksavik, Kjellmar; Chen, Xiangcai; Liu, Jian-Jun; Zhang, Qinghe; Baddeley, Lisa; Herlingshaw, Katie (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Throat auroras have been suggested to be related to indentations on the subsolar magnetopause. However, the indentation generation process and the resulting ionospheric responses have remained unknown. An EISCAT Svalbard ...
  • Observations of Polar Cap Patch Substructures by EISCAT Svalbard Radar 
    Bravo, Karina Ibanez (Master thesis / Masteroppgave, 2009)
    This thesis discusses substructures within convecting large-scale plasma density enhancements, known as “patches”, in the polar F-region ionosphere. Two days of high resolution EISCAT Svalbard Radar (ESR) data from both ...
  • OClO and BrO observations in the volcanic plume of Mt. Etna - Implications on the chemistry of chlorine and bromine species in volcanic plumes 
    Gliss, Jonas; Bobrowski, Nicole; Vogel, Leif; Platt, Ulrich (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
  • Off-momentum cleaning simulations and measurements at the Large Hadron Collider 
    Garcia Morales, Hector; Bruce, Roderik; Redaelli, Stefano; Belen, Salvachua; Wretborn, Joel; Sjobak, Kyrre Ness (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    The Large Hadron Collider is designed to collide proton beams with unprecedented energy in order to extend the frontiers of high-energy physics. Particles that have an energy different from the nominal one follow dispersive ...
  • Offset Correction for Swept Threshold Ultra-Wide-Band Sampling 
    Vele, Dino (Master thesis / Masteroppgave, 2019)
  • Olivine Grain Size Distributions in Faults and Shear Zones: Evidence for Nonsteady State Deformation 
    Aupart, Claire Olga Maryse; Dunkel, Kristina G; Angheluta, Luiza; Austrheim, Håkon Olaf; Ildefonse, Beniot; Malthe-Sørenssen, Anders; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The grain size distribution of deformed rocks may provide valuable information about their deformation history and the associated mechanisms. Here we present a unique set of olivine grain size distributions from ultramafic ...
  • On a configurable hardware implementation of the BCJR algorithm 
    Olsen, Terje Normann (Master thesis / Masteroppgave, 2007)
    The introduction of turbo codes in 1993 was a breakthrough in constructing error correction codes that were able to approach the theoretical limit of performance. Different implementations of turbo codes have become widely ...
  • On separate chemical freeze-outs of hadrons and light (anti)nuclei in high energy nuclear collisions 
    Bugaev, Kyrill A.; Grinyuk, Boris E.; Ivanytskyi, A.I.; Sagun, Violetta V.; Savchenko, Denis O.; Zinovjev, Gennady M.; Nikonov, Eduard G.; Bravina, Larissa; Zabrodin, Evgeny; Blaschke, David Bernhard; Kabana, S; Taranenko, Arkadiy V. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
  • On the collocation of the cusp aurora and the GPS phase scintillation: A statistical study 
    Jin, Yaqi; Moen, Jøran I.; Miloch, Wojciech J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The climatology map of the GPS phase scintillation identifies two regions of high scintillation occurrences: around magnetic noon and around magnetic midnight. The scintillation occurrence rate is higher around noon, while ...