• p−p, p−Λ, and Λ−Λ correlations studied via femtoscopy in pp reactions at √s=7 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahn, Sang Un; Aiola, Salvatore; 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; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Nesbø, Simon Voigt; Storetvedt, Maksim Melnik; Langøy, Rune; Lien, Jørgen André; Akindinov, Alexander; Al-Turany, Mohammed; Alam, Sk Noor; De Albuquerque, Danilo Silva; Aleksandrov, Dimitry; Alessandro, Bruno; Alfaro Molina, José Rubén; Ali, Yasir Turki Ben; ALICE, Collaboration (Peer reviewed; Journal article, 2019-02)
      We report on the first femtoscopic measurement of baryon pairs, such as p − p , p − Λ , and Λ − Λ , measured by ALICE at the Large Hadron Collider (LHC) in proton-proton collisions at √ s = 7 TeV . This study demonstrates ...
    • Quantification of CH4 Hydrate Film Growth Rates in Micromodel Pores 

      Almenningen, Stian; Lysyy, Maksim; Ersland, Geir (Journal article; Peer reviewed, 2021)
      In this paper, we report the growth pattern and the rate of CH4 hydrate in sandstone pores. A high-pressure, water-wet, transparent micromodel with pores resembling a sandstone rock was used to visualize CH4 hydrate formation ...
    • Quantification of Cold-Ion Beams in a Magnetic Reconnection Jet 

      Li, Yu-Xuan; Li, Wen-Ya; Tang, Bin-Bin; Norgren, C.; He, Jian-Sen; Wang, Chi; Zong, Qiu-Gang; Toledo-Redondo, S.; André, M.; Chappell, C.; Dargent, J.; Fuselier, S.A.; Glocer, A.; Graham, D.B.; Haaland, S.; Kistler, L.; Lavraud, B.; Moore, T.E.; Tenfjord, P.; Vines, S.K.; Burch, J. (Journal article; Peer reviewed, 2021)
      Cold (few eV) ions of ionospheric origin are widely observed in the lobe region of Earth’s magnetotail and can enter the ion jet region after magnetic reconnection is triggered in the magnetotail. Here, we investigate a ...
    • Quantifying the Lobe Reconnection Rate During Dominant IMF By Periods and Different Dipole Tilt Orientations 

      Reistad, Jone Peter; Laundal, Karl Magnus; Østgaard, Nikolai; Ohma, Anders; Burrell, Angeline G.; Hatch, Spencer Mark; Håland, Stein Egil; Thomas, Evan G. (Journal article; Peer reviewed, 2021)
      Lobe reconnection is usually thought to play an important role in geospace dynamics only when the Interplanetary Magnetic Field (IMF) is mainly northward. This is because the most common and unambiguous signature of lobe ...
    • Quantitative Magnetic Resonance Imaging of Tissue Microvasculature and Microstructure in Selected Clinical Applications 

      Starck, Lea (Doctoral thesis, 2022-06-03)
      This thesis is based on four papers and aims to establish perfusion and diffusion measurements with magnetic resonance imaging (MRI) in selected clinical applications. While structural imaging provides invaluable geometric ...
    • Quantitative Pore-Scale Analysis of CO2 Foam for CCUS 

      Benali, Benyamine (Master thesis, 2019-12)
      This experimental thesis is a part of ongoing projects lead by the Reservoir Physics group at the Department of Physics and Technology, University of Bergen. The main objectives of this thesis were to develop image analysis ...
    • Quantum control and characterization of ultrafast ionization with orthogonal two-color laser pulses 

      Agueny, Hicham (Peer reviewed; Journal article, 2020-01-14)
      We study ultrafast ionization dynamics using orthogonally polarized two-color (OTC) laser pulses involving the resonant “first plus second” (ω + 2ω) scheme. The scheme is illustrated by numerical simulations of the ...
    • Quark self-energy and condensates in NJL model with external magnetic field 

      Liu, Juan; Du, Yi-lun; Shi, Song (Journal article; Peer reviewed, 2021)
      In a one-flavor NJL model with a finite temperature, chemical potential, and external magnetic field, the self-energy of the quark propagator contains more condensates besides the vacuum condensate. We use Fierz identity ...
    • Quarkonium measurements in nucleus–nucleus collisions with ALICE 

      Dillenseger, Pascal; 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)
      Quarkonia, i.e. bound states of bb¯ and cc¯ quarks, are powerful observables to study the properties of nuclear matter under extreme conditions. The formation of a Quark-Gluon Plasma (QGP), which is predicted by lattice ...
    • Quarkonium production in p-Pb collisions with ALICE 

      Paul, Biswarup; 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)
      ALICE has measured quarkonium production in p-Pb collisions at backward (−4.46 < ycms < −2.96), mid (−1.37 < ycms < 0.43) and forward (2.03 < ycms < 3.53) rapidity (y) regions down to zero transverse momentum (pT). The ...
    • Quarkyonic matter from hydro and rapid freeze out 

      Csernai, László Pál; Cheng, Yun; Horvát, S.; Magas, V. K.; Mishustin, I. N.; Molnár, E.; Strottman, D.; Zétényi, M. (Peer reviewed; Journal article, 2009)
      Quarkyonic matter is a predicted phase between deconfined ideal QGP and Hadronic matter where the dominant degrees of freedom are quarks. Collective flow measurements indicate that the flow developed in QGP, as flow ...
    • Quenching effects in the cumulative jet spectrum 

      Takacs, Adam; Tywoniuk, Konrad (Journal article; Peer reviewed, 2021)
      The steeply falling jet spectrum induces a bias on the medium modifications of jet observables in heavy-ion collisions. To explore this effect, we develop a novel analytic framework to study the quenched jet spectrum and ...
    • R-parity violating chargino decays at the LHC 

      Bomark, Nils-Erik; Kvellestad, Anders; Lola, Smaragda; Osland, Per; Raklev, Are (Peer reviewed; Journal article, 2014-12)
      Supersymmetric models with R-parity violation (RPV) have become more popular following the lack of any excess of missing energy events at the 8 TeV LHC. To identify such models, the suggested searches generally rely on the ...
    • Radiation treatment monitoring using multimodal functional imaging: PET/CT (18F-Fluoromisonidazole & 18F-Fluorocholine) and DCE-US 

      Arteaga-Marrero, Natalia; Brekke Rygh, Cecilie; Mainou-Gomez, Jose Francisco; Adamsen, Tom Christian; Lutay, Nataliya; Reed, Rolf K; Olsen, Dag Rune (Peer reviewed; Journal article, 2015-12-18)
      Background: This study aims to assess the effect of radiation treatment on the tumour vasculature and its downstream effects on hypoxia and choline metabolism using a multimodal approach in the murine prostate tumour model ...
    • A Rapid Gamma-Ray Glow Flux Reduction Observed From 20 km Altitude 

      Kochkin, Pavlo; Sarria, David Alexandre Stephan; Lehtinen, Nikolai Grigorievich; Mezentsev, Andrey; Yang, Shiming; Genov, Georgi; Ullaland, Kjetil; Marisaldi, Martino; Østgaard, Nikolai; Christian, Hugh J.; Grove, J.E.; Quick, M.; Al-Nussirat, S.; Wulf, E (Journal article; Peer reviewed, 2021)
      Two gamma-ray glows were observed by a high-altitude NASA ER-2 aircraft flying at 20 km altitude over a thunderstorm in Colorado, USA. The flux of the first glow rapidly intensified and then abruptly decreased within a few ...
    • Rapidity and transverse-momentum dependence of the inclusive J/\(mathbf{\psi}\) nuclear modification factor in p-Pb collisions at \(\mathbf{\sqrt{\textit{s}_{NN}}}=5.02\) 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; 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; Alici, Andrea; ALICE, Collaboration (Peer reviewed; Journal article, 2015-06)
      We have studied the transverse-momentum \(p_{\rm T}\) dependence of the inclusive J/\).psi\) production in p-Pb collisions at \(\sqrt{s_{\rm NN}} = 5.02\) TeV, in three center-of-mass rapidity \(y_{\rm cms}\) regions, ...
    • Reaching towards higher masses of supersymmetric particles decaying to tau leptons 

      Olsen, Agnethe Seim (Master thesis, 2014-06-30)
      This thesis presents an optimisation of the search for SUSY in final states with one tau lepton, jets and missing transverse energy. The SUSY model considered is mSUGRA with the parameter values: A_0 = -2m0, tan(beta) = ...
    • Reactive transport modelling of hydrate phase transition dynamics in porous media 

      Vafaei, Mohammad Taghi (Doctoral thesis, 2015-03-27)
      Gas hydrate is believed to be so abundant in nature that some estimates suggest it contains more than two times equivalent energy of the whole fossil fuels on Earth. Besides, reservoir hydrates have other important aspects ...
    • Reactive Transport of CO2 in Saline Aquifers with implicit geomechanical analysis 

      Kvamme, Bjørn; Liu, Shunping (Peer reviewed; Journal article, 2009)
      Geological storage of CO2 in saline aquifers is a promising way to reduce the concentration of the greenhouse gas in the atmosphere. Injection of CO2 will, however, lead to dissolution of minerals in regions of lowered pH ...