Now showing items 598-617 of 881

• #### Onset of Spontaneous Imbibition ﻿

(The University of Bergen, 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 ...
Master thesis
• #### Optical spectroscopy for tissue diagnostics and treatment control ﻿

(The University of Bergen, 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 ...
Doctoral thesis
• #### Optical velocity meter based on Ramsey oscillations in a double-grating setup ﻿

(American Physical Society, 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 ...
Journal article
• #### Optimization of proton therapy plans with respect to biological and physical dose distributions ﻿

(The University of Bergen, 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 ...
Master thesis
• #### Optimization, evaluation and application of EEP measurements in the presence of contaminating protons ﻿

(The University of Bergen, 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 ...
Master thesis
• #### Optisk goniometer for optimalisering av retningsbestemt solenergi ﻿

(The University of Bergen, 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, ...
Master thesis
• #### Overview of solar wind - magnetosphere - ionosphere - atmosphere coupling and the generation of magnetospheric currents ﻿

(Springer, 2017-03)
We review the morphology and dynamics of the electrical current systems of the terrestrial magnetosphere and ionosphere. Observations from the Active Magnetosphere and Planetary Electrodynamics Response Experiment (AMPERE) ...
Journal article
• #### Particle Production in p+p and d+Au Collisions at √sNN = 200 GeV ﻿

(The University of Bergen, 2007-12-14)
Doctoral thesis
• #### Particle size distribution of methane hydrates and particle growth using a CFD-PBM model ﻿

(The University of Bergen, 2018-08-30)
Gas hydrates are solid crystalline compounds that contain water and gas molecules, and can be considered to be a natural occurring phenomena located in enormous amounts around the world. Particle growth and agglomeration ...
Master thesis
• #### Particle-yield modification in jet-like azimuthal dihadron correlations in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV ﻿

(American Physical Society, 2012-03)
The yield of charged particles associated with high-pT trigger particles (8 < pT < 15 GeV/c) is measured with the ALICE detector in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV relative to proton-proton collisions at the ...
Journal article
• #### Particle–wave discrimination in Poisson spot experiments ﻿

(IOP Publishing Ltd, 2011)
Matter–wave interferometry has been used extensively over the last few years to demonstrate the quantum-mechanical wave nature of increasingly larger and more massive particles. We have recently suggested the use of ...
Peer reviewedJournal article
• #### PEPT: an invaluable tool for 3-D particle tracking and CFD simulation verification in hydrocyclone studies ﻿

(EDP Sciences, 2013)
Particle tracks in a hydrocyclone generated both experimentally by positron emission particle tracking (PEPT) and numerically with Eulerian-Lagranian CFD have been studied and compared. A hydrocyclone with a cylinder-on-cone ...
Journal article
• #### Performance Evaluation of a Small-Animal PET/CT System ﻿

(The University of Bergen, 2014-06-02)
This master project is the first vendor-independent performance evaluation of the new nanoScan PET/CT system at the University of Bergen. A comprehensive performance evaluation of a novel scanner is very important, ...
Master thesis
• #### Performance of the ATLAS muon trigger in pp collisions at $\sqrt{s}=$8 TeV ﻿

(Springer, 2015-03-13)
The performance of the ATLAS muon trigger system has been evaluated with proton--proton collision data collected in 2012 at the Large Hadron Collider at a centre-of-mass energy of 8 TeV. The performance was primarily ...
Journal article
• #### Performance of the ATLAS Transition Radiation Tracker in Run 1 of the LHC: Tracker properties ﻿

(IOP, 2017)
The tracking performance parameters of the ATLAS Transition Radiation Tracker (TRT) as part of the ATLAS inner detector are described in this paper for different data-taking conditions in proton-proton, proton-lead and ...
Journal article
• #### Performance of the ATLAS trigger system in 2015 ﻿

(Springer, 2017-05)
During 2015 the ATLAS experiment recorded $3.8 \mathrm{fb}^{-1}$ of proton--proton collision data at a centre-of-mass energy of $13 \mathrm{TeV}$. The ATLAS trigger system is a crucial component of the experiment, responsible ...
Journal article
• #### Performance of the High Level Trigger gamma-conversion reconstruction chain in the ALICE central tracking detectors ﻿

(The University of Bergen, 2011-06-01)
Photons are produced through various processes in the particle and nuclei collisions at the LHC, and pose as useful probes of the formation of a Qaurk-Gluon Plasma. The probability of a photon converting within the central ...
Master thesis
• #### Periodic shock-emission from acoustically driven cavitation clouds: a source of the subharmonic signal ﻿

(Elsevier, 2014-12)
Single clouds of cavitation bubbles, driven by 254 kHz focused ultrasound at pressure amplitudes in the range of 0.48–1.22 MPa, have been observed via high-speed shadowgraphic imaging at 1 × 10⁶ frames per second. Clouds ...
Journal article
• #### Permittivity measurements using dual open ended coaxial probes ﻿

(The University of Bergen, 2012-11-19)
The motivation for this study has been to conduct a feasibility study on a measuring device to monitor hydrate formation close to the inner surface of a pipe where a multiphase hydrocarbon fluid mixture is flowing. This ...
Master thesis
• #### Perspektiv på partiklar - Ei samanlikning av Andrew Pickering og Peter Galisons framstilling av partikkelfysikk-historia, med spesiell vekt på oppdaginga av nøytral straum ﻿

(The University of Bergen, 2003)
Master thesis