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Kjetil Ullaland

Kjetil Ullaland

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Physics
Norway
2022

D-Index & Metrics

Physics

D-Index
124
Citations
58768
World Ranking
693
National Ranking
7

Research.com Recognitions

  • 2022 - Research.com Physics in Norway Leader Award

Overview

Kjetil Ullaland is affiliated with the University of Bergen in Norway and specializes in the field of Physics and Astronomy. Their research spans several subfields, with notable contributions in Astronomy and Astrophysics, Radiation, Nuclear and High Energy Physics, Pulmonary and Respiratory Medicine, and Geophysics.

The scientist's work covers multiple topics related to radiation detection, particle detectors, and atmospheric phenomena. Key areas of focus include Radiation Detection and Scintillator Technologies, Particle Detector Development and Performance, Radiation Therapy and Dosimetry, Lightning and Electromagnetic Phenomena, Ionosphere and Magnetosphere Dynamics, Nuclear Physics and Applications, and Earthquake Detection and Analysis.

Ullaland has published extensively in a variety of scientific venues. The most frequent publication outlets include:

  • Journal of Geophysical Research Atmospheres
  • Physics in Medicine and Biology
  • Nature
  • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
  • Journal of Instrumentation

Among recent publications are:

  • Very-high-frequency oscillations in the main peak of a magnetar giant flare, 2021, Nature
  • A High-Granularity Digital Tracking Calorimeter Optimized for Proton CT, 2020, Frontiers in Physics
  • The Soft X-ray Imager (SXI) on the SMILE Mission, 2023, Earth and Planetary Physics
  • Simultaneous Observations of EIP, TGF, Elve, and Optical Lightning, 2021, Journal of Geophysical Research Atmospheres
  • Flickering gamma-ray flashes, the missing link between gamma glows and TGFs, 2024, Nature

Frequent collaborators include researchers such as S. Yang, T. Peitzmann, J. Alme, M. Protsenko, and V. Borshchov, indicating a collaborative approach across multiple domains within physical sciences.

Best Publications

  • The ALICE experiment at the CERN LHC

    K. Aamodt;A. Abrahantes Quintana;R. Achenbach;S. Acounis

  • Elliptic Flow of Charged Particles in Pb-Pb Collisions at root s(NN)=2.76 TeV

    K. Aamodt;B. Abelev;A. Abrahantes Quintana;D. Adamová

  • Long-range angular correlations on the near and away side in p-Pb collisions at root S-NN=5.02 TeV

    Johan Alme;Hege Austrheim Erdal;Håvard Helstrup;Kristin Fanebust Hetland

  • The ALICE TPC, a large 3-dimensional tracking device with fast readout for ultra-high multiplicity events

    J. Alme;Y. Andres;H. Appelshäuser;S. Bablok

  • Performance of the ALICE experiment at the CERN LHC

    Betty Bezverkhny Abelev;Luke David Hanratty;Marco Esposito;Edmundo Javier Garcia-Solis

  • Suppression of charged particle production at large transverse momentum in central Pb–Pb collisions at sNN=2.76 TeV

    K. Aamodt;A. Abrahantes Quintana;D. Adamová;A. M. Adare

  • Higher harmonic anisotropic flow measurements of charged particles in Pb-Pb collisions at root s(NN)=2.76 TeV

    K. Aamodt;B. Abelev;A. Abrahantes Quintana;D. Adamová

  • ALICE: Physics Performance Report, Volume II

    P. Cortese;G. Dellacasa;L. Ramello;M. Sitta

  • Centrality Dependence of the Charged-Particle Multiplicity Density at Midrapidity in Pb-Pb Collisions at root s(NN)=2.76 TeV

    K. Aamodt;A. Abrahantes Quintana;D. Adamová;A. M. Adare

  • Enhanced production of multi-strange hadrons in high-multiplicity proton-proton collisions

    Jaroslav Adam;Dagmar Adamová;Madan M. Aggarwal;Gianluca Aglieri Rinella

  • Charged-particle multiplicity measurement in proton-proton collisions at $\sqrt{s}=7$ TeV with ALICE at LHC

    K. Aamodt;N. Abel;U. Abeysekara;A. Abrahantes Quintana

  • Centrality dependence of pi, K, and p production in Pb-Pb collisions at root s(NN)=2.76 TeV

    B. Abelev;J. Adam;D. Adamová;A. M. Adare

  • Multiplicity dependence of pion, kaon, proton and lambda production in p-Pb collisions at √SNN = 5.02 TeV

    Johan Alme;Hege Austrheim Erdal;Håvard Helstrup;Kristin Fanebust Hetland

  • Long-range angular correlations of pi, K and p in p-Pb collisions at root s(NN)=5.02 TeV

    B. Abelev;J. Adam;D. Adamová;A. M. Adare

  • Centrality dependence of charged particle production at large transverse momentum in Pb-Pb collisions at root s(NN)=2.76 TeV

    Johan Alme;Hege Austrheim Erdal;Håvard Helstrup;Kristin Fanebust Hetland

  • Measurement of inelastic, single- and double-diffraction cross sections in proton--proton collisions at the LHC with ALICE

    Johan Alme;Johan Alme;Hege Austrheim Erdal;Hege Austrheim Erdal;Håvard Helstrup;Håvard Helstrup;Kristin Fanebust Hetland;Kristin Fanebust Hetland

  • Centrality determination of Pb-Pb collisions at root s(NN)=2.76 TeV with ALICE

    B. Abelev;J. Adam;D. Adamová;A. M. Adare

  • Technical design report for the upgrade of the ALICE inner tracking system

    B. Abelev;J. Adam;D. Adamová;M. M. Aggarwal

  • Two-pion Bose–Einstein correlations in central Pb–Pb collisions at √sNN = 2.76 TeV

    K. Aamodt;A. Abrahantes Quintana;D. Adamová;A. M. Adare

  • The ALICE collaboration

    K. Aamodt;N. Abel;U. Abeysekara;A. Abrahantes Quintana

Frequent Co-Authors

Johan Alme
Johan Alme University of Bergen
Matthias Richter
Matthias Richter Ruhr University Bochum
Joakim Nystrand
Joakim Nystrand University of Bergen
Trine Spedstad Tveter
Trine Spedstad Tveter University of Oslo
Dagmar Adamová
Dagmar Adamová Czech Academy of Sciences
Zubayer Ahammed
Zubayer Ahammed Variable Energy Cyclotron Centre
Jon Christopher Wikne
Jon Christopher Wikne University of Oslo
Kristin Fanebust Hetland
Kristin Fanebust Hetland Western Norway University of Applied Sciences
Dieter Røhrich
Dieter Røhrich University of Bergen
Jørgen André Lien
Jørgen André Lien University of South-Eastern Norway

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