Browsing Department of Physics and Technology by Title

Now showing items 2093-2112 of 2170

    • Two-Photon Decay of Non-Standard Higgs Bosons 

      Khater, Wafaa (Master thesis, 1999)

    • Two-photon double ionization of helium by attosecond laser pulses: Evidence of highly correlated electron motion 

      Askeland, Sigurd; Nepstad, Raymond; Førre, Morten (Peer reviewed; Journal article, 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. ...

    • Two-pion femtoscopy in p-Pb collisions at \(\sqrt{s_{\rm NN}}=5.02\) TeV 

      Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmed, Ijaz; Ahn, Sang Un; Aimo, Ilaria; Alme, Johan; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Altinpinar, Sedat; Djuvsland, Øystein; Haaland, Øystein Senneset; Huang, Meidana; Lønne, Per-Ivar; Nystrand, Joakim; Rehman, Attiq ur; Røhrich, Dieter; Skjerdal, Kyrre; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Zhou, Zhuo; Arsene, Ionut Christian; 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; Aiola, Salvatore; Ajaz, Muhammad; Akindinov, Alexander; Alam, Sk Noor; Aleksandrov, Dimitry; Alessandro, Bruno; Alexandre, Didier; Alfaro Molina, José Rubén; ALICE, Collaboration (Peer reviewed; Journal article, 2015-03)
      We report the results of the femtoscopic analysis of pairs of identical pions measured in p-Pb collisions at \(\sqrt{s_{\mathrm{NN}}}=5.02\) TeV. Femtoscopic radii are determined as a function of event multiplicity and ...

    • Types of pulsating aurora: Comparison of model and EISCAT electron density observations 

      Tesema, Fasil; Partamies, Noora; Whiter, Daniel K.; Ogawa, Yasunobu (Journal article; Peer reviewed, 2022)
      Energetic particle precipitation associated with pulsating aurora (PsA) can reach down to lower mesospheric altitudes and deplete ozone. It is well documented that pulsating aurora is a common phenomenon during substorm ...

    • Ultrasonic measurement systems with diffraction correction for gas 

      Hagen, Andreas (Master thesis, 2017-09-30)

    • Uncertainty-aware spot rejection rate as quality metric for proton therapy using a digital tracking calorimeter 

      Schilling, Alexander; Aehle, Max; Alme, Johan; Barnaföldi, Gergely Gábor; Bodova, Tea; Borshchov, Vyacheslav; van den Brink, Anthony; Eikeland, Viljar Nilsen; Feofilov, Gregory; Garth, Christoph; Gauger, Nicolas R.; Grøttvik, Ola Slettevoll; Helstrup, Håvard; Igolkin, Sergey; Keidel, Ralf; Kobdaj, Chinorat; Kortus, Tobias; Leonhardt, Viktor; Mehendale, Shruti Vineet; Ningappa Mulawade, Raju; Odland, Odd Harald; O'Neill, George; Papp, Gábor; Peitzmann, Thomas; Pettersen, Helge Egil Seime; Piersimoni, Pierluigi; Protsenko, Maksym; Rauch, Max Philip; Rehman, Attiq Ur; Richter, Matthias; Röhrich, Dieter; Santana, Joshua; Seco, Joao; Songmoolnak, Arnon; Sudár, Ákos; Tambave, Ganesh Jagannath; Tymchuk, Ihor; Ullaland, Kjetil; Varga-Kofarago, Monika; Volz, Lennart; Wagner, Boris; Wendzel, Steffen; Wiebel, Alexander; Xiao, Renzheng; Yang, Shiming; Zillien, Sebastian (Journal article; Peer reviewed, 2023)
      Objective. Proton therapy is highly sensitive to range uncertainties due to the nature of the dose deposition of charged particles. To ensure treatment quality, range verification methods can be used to verify that the ...

    • Underlying event properties in pp collisions at √s = 13 TeV 

      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; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; ALICE, Collaboration (Journal article; Peer reviewed, 2020)
      This article reports measurements characterizing the Underlying Event (UE) associated with hard scatterings at midrapidity (|η| < 0.8) in pp collisions at √s = 13 TeV. The hard scatterings are identified by the leading ...

    • Understanding the correlation between (g − 2) μ and μ → eγ in the MSSM 

      Kersten, Jörn Andreas; Park, Jae-hyeon; Stöckinger, Dominik; Velasco-sevilla, Liliana (Peer reviewed; Journal article, 2014-08)
      The supersymmetric contributions to the muon anomalous magnetic moment a μ and to the decay μ → eγ are given by very similar Feynman diagrams. Previous works reported correlations in specific scenarios, in particular if a ...

    • A unified picture of medium-induced radiation 

      Isaksen, Johannes Hamre; Takacs, Adam; Tywoniuk, Konrad (Journal article; Peer reviewed, 2023)
      We revisit the picture of jets propagating in the quark-gluon plasma. In addition to vacuum radiation, partons scatter on the medium constituents resulting in induced emissions. Analytical approaches to including these ...

    • Universality of Lower Hybrid Waves at Earth's Magnetopause 

      Graham, D. B.; Khotyaintsev, Yu V; Norgren, Astrid Elisabet Cecilia; Vaivads, Andris; Andre, M.; Drake, J. F.; Egedal, J.; Zhou, M.; Le Contel, O; Webster, J.M.; Lavraud, B.; Kacem, Imed; Génot, V.; Jacquey, C.; Rager, AC; Gershman, Daniel J; Burch, J. L.; Ergun, Robert E (Journal article; Peer reviewed, 2019)
      Waves around the lower hybrid frequency are frequently observed at Earth's magnetopause and readily reach very large amplitudes. Determining the properties of lower hybrid waves is crucial because they are thought to ...

    • Unlocking multimodal PET-MR synergies for geoscience 

      Brattekås, Bergit; Gauteplass, Jarand; Brekke, Njål; Fernø, Martin; Ersland, Geir (Journal article; Peer reviewed, 2020)
      The recent combination of positron emission tomography (PET) and magnetic resonance (MR) imaging modalities in one clinical diagnostic tool represents a scientific advancement with high potential impact in geoscientific ...

    • Unsteady-State CO2 Foam Generation and Propagation: Laboratory and Field Insights 

      Alcorn, Zachary Paul; Sæle, Aleksandra Magdalena; Karakas, Metin; Graue, Arne (Journal article; Peer reviewed, 2022-09-07)
      This work presents a multiscale experimental and numerical investigation of CO2 foam generation, strength, and propagation during alternating injection of surfactant solution and CO2 at reservoir conditions. Evaluations ...

    • Unsteady-state CO2 foam injection for increasing enhanced oil recovery and carbon storage potential 

      Sæle, Aleksandra Magdalena; Graue, Arne; Alcorn, Zachary Paul (Journal article; Peer reviewed, 2022)
      The efficiency of CO2 injection for enhanced oil recovery (EOR) and carbon storage is limited by severe viscosity and density differences between CO2 and reservoir fluids and reservoir heterogeneity. In-situ generation of ...

    • Unusual shrinkage and reshaping of Earth’s magnetosphere under a strong northward interplanetary magnetic field 

      Wang, Xiang-Yu; Zhang, Qing-He; Wang, Chi; Zhang, Yong-Liang; Tang, Bin-Bin; Xing, Zan-Yang; Oksavik, Kjellmar; Lyons, Larry R.; Lockwood, Michael; Zong, Qiu-Gang; Li, Guo-Jun; Liu, Jing; Ma, Yu-Zhang; Wang, Yong (Journal article; Peer reviewed, 2023)
      The Earth’s magnetosphere is the region of space where plasma behavior is dominated by the geomagnetic field. It has a long tail typically extending hundreds of Earth radii (RE) with plentiful open magnetic fluxes threading ...

    • Unveiling the strong interaction among hadrons 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)
      One of the key challenges for nuclear physics today is to understand from first principles the effective interaction between hadrons with different quark content. First successes have been achieved using techniques that ...

    • Update on the CP-Violating Inert-Doublet Model 

      Grzadkowski, Bohdan; Øgreid, Odd Magne; Osland, Per; Pukhov, Alexander; Purmohammadi, Mahdi (Peer reviewed; Journal article, 2012)
      We have updated a recently proposed extension of the Inert Doublet Model. The extension amounts to the addition of an extra non-inert scalar doublet. The model thus offers a possibility of CP violation in the scalar sector ...

    • Updated constraints on Z′ and W′ bosons decaying into bosonic and leptonic final states using the run 2 ATLAS data 

      Osland, Per; Pankov, A.A.; Serenkova, I.A. (Journal article; Peer reviewed, 2021)
      The full ATLAS run 2 dataset with a time-integrated luminosity of 139  fb−1 in the diboson and dilepton channels is used to probe benchmark models with extended gauge sectors: the E6-motivated grand unification models, the ...

    • An Updated Geomagnetic Index-Based Model for Determining the Latitudinal Extent of Energetic Electron Precipitation 

      Babu, Eldho Midhun; Nesse, Hilde; Hatch, Spencer Mark; Olsen, Nils; Salice, Josephine Alessandra; Richardson, Ian G. (Journal article; Peer reviewed, 2023)
      Energetic Electron Precipitation (EEP) from the Earth's plasma sheet and the radiation belts is an important feature of atmospheric dynamics through their destruction of ozone in the lower thermosphere and mesosphere. ...

    • Upgrade of the ALICE central barrel tracking detectors: ITS and TPC 

      Gasik, P.; 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, 2019-02)
      The ALICE Collaboration will undertake a major upgrade of the detector apparatus during the second LHC Long Shutdown LS2 (2019–2020) in view of the Runs 3 and 4 (2021–2029). The objective of the upgrade is two-fold: i) an ...

    • The upgrade of the ALICE TPC with GEMs and continuous readout 

      Tpc Collaboration, Alice; Adolfsson, J.; Ahmed, M.; Aiola, Salvatore; Alme, Johan; Alt, T.; Amend, W.; Anastasopoulos, F.; Andrei, C.; Angelsmark, M.; Anguelov, V.; Anjam, A.; Appelshauser, H.; Aprodu, V.; Arnold, O.; Arslandok, M.; Baitinger, D.; Ball, M.; Barnaföldi, Gergely Gábor; Bartsch, E.; Becht, P.; Bellwied, R.; Berdnikova, A.; Berger, M.; Bialas, N; Bialas, P.; Biswas, S.; Blidaru, B.; Boldizsár, L.; Bratrud, L.; Braun-Munzinger, P.; Bregant, M.; Britton, C.L.; Brucker, S.; Brucken, E.J.; Buesching, H.; Soto Camacho, Camacho; Campos, A.L.; Caragheorgheopol, G.; Carvalho, D.D.; Castro, A.J.; Chatzidaki, P.; Christiansen, P.; Clonts, L.G.; Cormier, T.M.; Couto, A.L.D.; Cubas, H.G.A.; Deisting, A.; Dhankher, P.; Dittrich, S.; Duta, V.; Ehlers, R.J.; Engel, M.; Ericson, M.N.; Ezell, N.B.; Fabbietti, L.; Flor, F.; Föhner, G.; Frankenfeld, U.; Futo, E.; Gaardhoje, J.J.; Munhoz, M.G.; Garabatos, C.; Gasik, P.; Geiger, T.; Gera, A.; Glässel, P.; Goh, D.J.Q.; Grachov, Oleg; Grein, A.; Gul, M.; Gunji, T.; Habib, M.K.; Hamagaki, H.; Hamar, G.; Hansen, J.C.; Harlenderova, A.; Harris, J.W.; Hassan, S.; Hauer, P.; Hayashi, S.; Heckel, S.T.; Hehner, J.; Heino, J.K.; Hellbär, E.; Helstrup, Håvard; Herghelegiu, A.; Hernandes Da Costa Porto, Da; Hernandez, R.A.; Hernandez Herrera, Herrera; Herold, T.; Hilden, T.E.; Hohlweger, B.; Hornung, S.; Hughes, C.; Hummel, S.; Ivanov, M.; Jung, J.; Jung, M.; Just, D.; Kangasaho, E.; Karayan, L.; Ketzer, B.; Kirsch, S.; Kleiner, M.; Klemenz, T.; Klewin, S.; Knospe, A.G.; Koskinen, E.; Kowalski, M.; Kreis, L.; Krüger, M.; Kupfer, N.; Lang, R.; Lautner, L.; Lesch, M.; Lesenechal, Y; Liebske, F.; Lippmann, C.; Litichevskyi, V.; Ljunggren, M.; Llope, W.J.; Mahmood, Sohail Musa; Mahmoud, T.; Majka, R.D.; Markert, C.; Martinez, J.L.; Martins, T.A.; Masciocchi, S.; Mathis, A.M.; Matonoha, O.; Matsuyama, Y.; Matyja, A.; Meres, M.; Mihaylov, D.L.; Miśkowiec, D.; Mittelstaedt, T.; Montali, L.S.; Moraes, D.; Mordasini, C.; Morhardt, T.; Muley, S.; Mulligan, J.D.; Munzer, R.H.; Murakami, H.; Münning, K.; Nassirpour, A.F.; Natal Da Luz, Da; Nattrass, C.; Negrao De Oliveira, De; Neves, H.G.; Nielsen, B.S.; Noije, W.A.V.; Ogino, M.; Oliveira Da Silva, Da; Oskarsson, A.; Ottnad, J.; Oyama, K.; Onnerstad, A.; Osterman, L.; Pabon, A.A.; Pachmayer, Y.; Paić, G.; Parkkila, J.E.; Pathak, S.P.; Patra, R.N.; Peskov, V.; Petris, M.; Petrovici, M.; Planinic, M.; Pompei, F.; Prodan, L.; Radu, A.; Radulescu, L.; Rak, J.; Rasson, J.; Ratza, V.; Read, K.F.; Rehman, Attiq Ur; Renfordt, R.; Roed, K.; Röhrich, Dieter Rudolf Christian; Rubio, E.; Rudzki, T.; Rusu, A.; Saleh, M.; Sanches, B.C.S.; Schambach, J.; Scheid, S.; Schmidt, C.; Schmier, A.R.; Schulte, H.; Schweda, K.; Sekihata, D.; Shimizu, N.; Siebig, S.; Silva, R.W.D.; Silvermyr, D.; Simpson, D.; Sitar, B.; Smirnov, N.; Snellman, T.W.; Soltveit, H.K.; Sorensen, S.; Sozzi, F.; Stachel, J.; Szabo, A.; Šerkšnytė, L.; Takeuchi, Y.; Tambave, Ganesh Jagannath; Tanaka, Y.; Terasaki, K.; Turpeinen, R.J.; Ullaland, Kjetil; Ulukutlu, B.; Umaka, E.N.; Utrobicic, A.; Varga, D.; Vargas, A.; Vargyas, M.; Varma, R.; Vazquez Rueda, Rueda; Velure, Arild; Vereschagin, S.; Vergara Limón, Limon; Vergara Urrutia, Urrutia; Vorbach, O.; Voss, B.; Vranic, D; Warmack, R.J.; Weber, T.O.; Weidlich, C.; Wiechula, J.; Windelband, B.; Winkler, S.; Witt, W.E. (Journal article; Peer reviewed, 2021)
      The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers ...