Blar i Department of Physics and Technology på tittel

Viser treff 1342-1361 av 2102

    • On-line dose-guidance to account for inter-fractional motion during proton therapy 

      Busch, Kia; Muren, Ludvig Paul; Thørnqvist, Sara; Andersen, Andreas G.; Pedersen, Jesper; Dong, Lei; Petersen, Jørgen Brede Baltzer (Peer reviewed; Journal article, 2019-01)
      Background and purpose Proton therapy (PT) of extra-cranial tumour sites is challenged by density changes caused by inter-fractional organ motion. In this study we investigate on-line dose-guided PT (DGPT) to account ...

    • On-line X-ray fluorescence analysis applied to industrial processes and environmental monitoring 

      Dietzel, Knut Ingvald (Master thesis, 2000)
      Abstract X-ray stimulated fluorescence analysis is a powerful and widely used tool for determining the concentration of chemical species in materials. Presently, this is done by taking and preparing samples for off-line ...

    • One-dimensional charged kaon femtoscopy in p-Pb collisions at √sNN = 5.02 TeV 

      Acharya, Shreyasi; Adamová, Dagmar; Adhya, Souvik Priyam; Adler, Alexander; 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; 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; 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; Ahmad, Shafiq F.; Ahn, Sang Un; Aiola, Salvatore; Akindinov, Alexander; ALICE, Collaboration (Peer reviewed; Journal article, 2019)
      The correlations of identical charged kaons were measured in p-Pb collisions at √sNN = 5.02 TeV by the ALICE experiment at the LHC. The femtoscopic invariant radii and correlation strengths were extracted from one-dimensional ...

    • One-dimensional pion, kaon, and proton femtoscopy in Pb-Pb collisions at \(\sqrt{s_{\rm {NN}}}\) =2.76 TeV 

      Adam, Jaroslav; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahn, Sang Un; Aimo, Ilaria; Aiola, Salvatore; 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; Zhang, Hui; 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; Ajaz, Muhammad; Akindinov, Alexander; Alam, Sk Noor; Aleksandrov, Dimitry; Alessandro, Bruno; Alexandre, Didier; Alfaro, Molina; ALICE, Collaboration; Zhu, Hongsheng (Peer reviewed; Journal article, 2015-11)
      The size of the particle emission region in high-energy collisions can be deduced using the femtoscopic correlations of particle pairs at low relative momentum. Such correlations arise due to quantum statistics and Coulomb ...

    • Online data compression in the ALICE O\(^2\) facility 

      Richter, Matthias Rudolph; Aamodt, Kenneth; Arsene, Ionut Christian; Bravina, Larissa; Dordic, Olja; Eyyubova, Gyulnara; Hille, Per Thomas; Kolevatov, Rodion; Kværnø, Henning; Lindal, Svein; Løvhøiden, Gunnar; Milosevic, Jovan; Nilsson, Mads Stormo; Nyiri, Agnes; Skaali, Toralf Bernhard; Tveter, Trine Spedstad; Tywoniuk, Konrad; Wikne, Jon Christopher; Zabrodin, Evgeny; Alme, Johan; Bablok, Sebastian Robert; Djuvsland, Øystein; Fehlker, Dominik; Haaland, Øystein Senneset; Huang, Meidana; Kanaki, Kalliopi; Klovning, Arne; Larsen, Dag Toppe; Liu, Lijiao; Nystrand, Joakim; Øvrebekk, Gaute; Pommeresche, Bjørn-Erling; Skjerdal, Kyrre; Ullaland, Kjetil; Wagner, Boris; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Røed, Ketil; Pocheptsov, Timur Anatolievich; Altinpinar, Sedat; Røhrich, Dieter; Adamová, Dagmar; Aggarwal, Madan M.; Aglieri Rinella, Gianluca; Ahammed, Zubayer; Ahn, Sang Un; Akindinov, Alexander; Aleksandrov, Dimitry; Alessandro, Bruno; ALICE, Collaboration (Peer reviewed; Journal article, 2017)
      The ALICE Collaboration and the ALICE O2 project have carried out detailed studies for a new online computing facility planned to be deployed for Run 3 of the Large Hadron Collider (LHC) at CERN. Some of the main aspects ...

    • Onset of smoldering and transition to flaming fire 

      Hagen, Bjarne Christian (Doctoral thesis, 2013-06-28)
      Aim: The aim of this work has been to investigate the effects of density, heat flux and boundary conditions on smoldering. Two focus areas were chosen: the onset of smoldering and the transition from smoldering to flaming ...

    • Onset of Spontaneous Imbibition 

      Føyen, Tore Lyngås (Master thesis, 2017-06-22)
      The spontaneous imbibition process in porous media is an important recovery mechanism and is governed by capillary forces that arise when two immiscible fluids are present in the pore space. This thesis presents new ...

    • Open heavy-flavour production and elliptic flow in p-Pb collisions at the LHC with ALICE 

      Zanoli, Henrique J. C.; 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)
      Measurements of open heavy flavour production in p–A collisions allow the investigation of Cold Nuclear Matter effects. In addition, they are an important tool for a complementary investigation of the long-range correlations ...

    • Operation and performance of the ATLAS Tile Calorimeter in Run 1 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; 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; Abramowicz, Halina; 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; Zwalinski, L; ATLAS, Collaboration (Peer reviewed; Journal article, 2018-11-30)
      The Tile Calorimeter is the hadron calorimeter covering the central region of the ATLAS experiment at the Large Hadron Collider. Approximately 10,000 photomultipliers collect light from scintillating tiles acting as the ...

    • Optical emissions associated with narrow bipolar events from thunderstorm clouds penetrating into the stratosphere 

      Liu, Feifan; Lu, Gaopeng; Neubert, Torsten; Lei, Jiuhou; Chanrion, Olivier; Østgaard, Nikolai; Li, Dongshuai; Luque, Alejandro; Gordillo-Vázquez, Francisco J.; Reglero, Victor; Lyu, Weitao; Zhu, Baoyou (Journal article; Peer reviewed, 2021)
      Narrow bipolar events (NBEs) are signatures in radio signals from thunderstorms observed by ground-based receivers. NBEs may occur at the onset of lightning, but the discharge process is not well understood. Here, we present ...

    • Optical spectroscopy for tissue diagnostics and treatment control 

      Yavari, Nazila (Doctoral thesis, 2006-06-28)
      Biomedical Optics as an interdisciplinary field of science has been developed during many years and is experiencing tremendous growth, to cover a wide range of optical techniques and methods, utilized for medical therapeutic ...

    • Optical velocity meter based on Ramsey oscillations in a double-grating setup 

      Preclíková, Jana; Kozák, Martin; Fregenal, Daniel; Hansen, Jan Petter (Peer reviewed; Journal article, 2014-04)
      We propose a method for measuring velocities of atoms or molecules in a gas phase based on time-resolved laser experiments. Two intensity gratings of electromagnetic field with variable time delay τ are created by interfering ...

    • Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton–proton collisions 

      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; 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; Latour, Bertrand Pascal Christian; Lee, Graham Richard; Lipniacka, Anna; Stugu, Bjarne Sandvik; Træet, Are Sivertsen; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; Affolder, Anthony Allen; ATLAS, Collaboration (Journal article; Peer reviewed, 2021)
      Jet substructure has provided new opportunities for searches and measurements at the LHC, and has seen continuous development since the optimization of the large-radius jet definition used by ATLAS was performed during Run ...

    • Optimization of proton therapy plans with respect to biological and physical dose distributions 

      Henjum, Helge (Master thesis, 2018-06-16)
      Introduction: Proton therapy is a radiation treatment method growing around the world. This is mainly due to the protons ability to deposit dose more conformal compared to conventional photon therapy. Protons also differ ...

    • Optimization, evaluation and application of EEP measurements in the presence of contaminating protons 

      Haderlein, Astrid (Master thesis, 2017)
      It is well known that energetic particles can penetrate deep into the atmosphere and initiate a chain of chemical reactions, ultimately leading to enhanced production rates of HOx and NOx molecules and the depletion of ...

    • Optimized mesoscale growth of microalgae: A modelling approach 

      Haddal, Nicolai Skailand (Master thesis, 2017-11-20)
      Photosynthesis is a process that uses water, carbon dioxide and light to create sugar and oxygen. Sugar and oxygen is then used by the cell for maintenance and growth purposes through cellular respiration. We would then ...

    • Optimizing hydroxyl airglow retrievals from long-slit astronomical spectroscopic observations 

      Franzen, Christoph; Hibbins, Robert; Espy, Patrick Joseph; Djupvik, Anlaug Amanda (Peer reviewed; Journal article, 2017-08-25)
      Astronomical spectroscopic observations from ground-based telescopes contain background emission lines from the terrestrial atmosphere's airglow. In the near infrared, this background is composed mainly of emission from ...

    • Optisk goniometer for optimalisering av retningsbestemt solenergi 

      Frette, Kristian (Master thesis, 2017-06-13)
      Det er et økende fokus på fornybar energi og bærekraftig matproduksjon, det vil derfor være nyttig med teknologi som kan føre til økt effektivitet i produksjon av dette. Utnyttelse av solenergi er et felt som er mye brukt, ...

    • An organ deformation model using Bayesian inference to combine population and patient-specific data 

      Rørtveit, Øyvind Lunde; Hysing, Liv Bolstad; Stordal, Andreas Størksen; Pilskog, Sara Margareta Cecilia (Journal article; Peer reviewed, 2023)
      Objective. Organ deformation models have the potential to improve delivery and reduce toxicity of radiotherapy, but existing data-driven motion models are based on either patient-specific or population data. We propose to ...

    • The Organ Sparing Potential of Different Biological Optimization Strategies in Proton Therapy 

      Henjum, Helge; Dahle, Tordis Johnsen; Fjæra, Lars Fredrik; Rørvik, Eivind; Pilskog, Sara Margareta Cecilia; Stokkevåg, Camilla H.; Mairani, Andrea; Ytre-Hauge, Kristian Smeland (Journal article; Peer reviewed, 2021)
      Purpose: Variable relative biological effectiveness (RBE) models allow for differences in linear energy transfer (LET), physical dose, and tissue type to be accounted for when quantifying and optimizing the biological ...