### Recent Submissions

• #### Challenges and Strategic Research Plans for Earth and Heliosphere: Research Infrastructures, Projects and Initiatives ﻿

(Cambridge University Press, 2018-07-24)
We describe existing research infrastructures relevant for space weather and open issues of space weather research including the need for sustainable observation networks and for high-quality data products as basis for ...
Journal article
• #### Searches for transverse momentum dependent flow vector fluctuations in Pb-Pb and p-Pb collisions at the LHC ﻿

(Springer, 2017-09)
The measurement of azimuthal correlations of charged particles is presented for Pb-Pb collisions at $\sqrt{s_{\rm NN}}=$ 2.76 TeV and p-Pb collisions at $\sqrt{s_{\rm NN}}=$ 5.02 TeV with the ALICE detector at the CERN ...
Journal article
• #### W and Z boson production in p–Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV ﻿

(Springer, 2017-02)
The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward ($-4.46 ... Journal article • #### Classical and quantum-mechanical scaling of ionization from excited hydrogen atoms in single-cycle THz pulses ﻿ (The University of Bergen, 2017-08-25) Excited atoms, or nanotip surfaces, exposed to strong single-cycle terahertz radiation emit electrons with energies strongly dependent on the characteristics of the initial state. Here we consider scaling properties of the ... Journal article • #### Aspects of Electron Dynamics in Atoms Exposed to Single Cycle Electromagnetic Pulses ﻿ (The University of Bergen, 2018-06-29) This thesis covers the topic in atomic physics: Interaction of a strong external field with Rydberg hydrogen atom. In three scientific publications, we have targeted physical processes such as the field ionization in the ... Doctoral thesis • #### Low Salinity Waterflooding in Combination with Surfactant/Polymer. A Field Scale Simulation Study of Hybrid EOR ﻿ (The University of Bergen, 2018-06-27) It is projected that 77% of energy consumption will originate from fossil fuels in 2040, indicating a continuous demand for crude oil [1]. Nevertheless, more than half of the hydrocarbons produced at present originate from ... Master thesis • #### Enhancing detectablility of tau-sneutrino signatures using machine learning ﻿ (The University of Bergen, 2018-06-27) In this thesis, the collider signatures of the scenario with a tau-sneutrino next-to-lightest supersymmetric particle (NLSP) at LHC are studied using machine learning. The parameter region of the non-universal Higgs masses ... Master thesis • #### High Harmonic Generation in Strongly Correlated Systems ﻿ (The University of Bergen, 2018-06-23) In recent years, the study of phenomena pertaining to non-linear properties of materials has seen a major upswing - especially in the context of High Harmonic Generation (HHG). In this thesis, an account of the current ... Master thesis • #### Ethernet-Based Control System and Data Readout for a Proton Computed Tomography Prototype ﻿ (The University of Bergen, 2018-06-23) At the University of Bergen (UiB), work is underway to develop a proton based computed tomography prototype. Proton CT (pCT) is an alternative to photonbased imaging that shows great promise as a technology for use in ... Master thesis • #### Beam diffraction effects in guided-wave transmission of fluid embedded elastic plate. Influence of receiver distance and finite aperture. ﻿ (The University of Bergen, 2018-06-23) For the past decades, plate transmission effects have been extensively studied with the incentive of applying the knowledge in GUW methods in the industry. With these studies, multiple anomalous effects have been ... Master thesis • #### Simulation Study of In-Situ Polymer Rheology in a Radial Flow Experiment ﻿ (The University of Bergen, 2018-06-27) The global energy demand is continuously growing, and even though renewable energy sources are becoming increasingly important, oil remains the leading energy fuel to this date, accounting for ... Master thesis • #### Molecular dynamics study of water and carbon dioxide separation by means of nanotubes - A new method to capture CO2 ﻿ (The University of Bergen, 2018-08-30) Anthropogenic carbon dioxide (CO2) emissions are a huge concern these days. Arguably, but widely accepted, the apparent global climate changes are due to the increasing CO2 concentrations in the atmosphere. Carbon dioxide ... Master thesis • #### Measurement of the relative branching fraction B(B_s ^0 → ψ(2S)φ)/B( B_s^0→ J/ψφ ) with the ATLAS experiment at √s = 13 TeV. ﻿ (The University of Bergen, 2018-06-23) In this thesis we present the result of the relative branching fraction of the two hadronic B_s ^0 modes B_s ^0 → ψ(2S)φ and B_s ^0 → J/ψφ. In order to guarantee identical topologies we only look at the modes where J/ψ ... Master thesis • #### Mechanistic Modeling of Combined Low Salinity Waterflood and Surfactant- Polymer Flooding ﻿ (The University of Bergen, 2018-06-27) Flooding experiments have been made to investigating the effects of low salinity brine injection and the combined injection of low salinity surfactant and low salinity polymer solutions. These experiments have shown a ... Master thesis • #### Integration and design for the ALICE ITS readout chain ﻿ (The University of Bergen, 2018-06-26) ALICE and its Inner Tracking System detector in the LHC at CERN will undergo a major upgrade during its second long shutdown taking place in 2019 and 2020. New silicon sensors called ALPIDE will be utilized, which requires ... Master thesis • #### In-situ measurements of rare earth elements in deep sea sediments using nuclear methods ﻿ (Nature Publishing Group, 2018-03-21) The prospecting activities for finding new rare earth elements (REE) sources have increased greatly in recent years. One of the main discoveries was announced in 2011 by Japanese researchers who found large quantities of ... Journal article • #### Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection ﻿ (American Geophysical Union, 2017-02) During southward interplanetary magnetic field, dayside reconnection will drive the Dungey cycle in the magnetosphere, which is manifested as a two‐cell convection pattern in the ionosphere. We address the response of the ... Journal article • #### Systematic studies of correlations between different order flow harmonics in Pb-Pb collisions at$\sqrt{s_{\rm NN}}$= 2.76 TeV ﻿ (American Physical Society, 2018-02) The correlations between event-by-event fluctuations of anisotropic flow harmonic amplitudes have been measured in Pb-Pb collisions at$\sqrt{s_{\rm NN}}\$ = 2.76 TeV with the ALICE detector at the LHC. The results are ...
Journal article
• #### Numerical Investigation of Natural Gas Hydrate Agglomeration and Deposition in High Water Cut Pipeline Systems ﻿

(The University of Bergen, 2018-06-20)
The phenomena of gas hydrate plugging constitute a well known problem in the petroleum production and transport industries. Nevertheless, this issue is still not fully understood, especially for high water cut systems. ...
Master thesis
• #### Design of custom ASIC for front-end electronics in a 130 nm CMOS process ﻿

(The University of Bergen, 2018-06-21)
Researchers at Birkeland center of space science at the University of Bergen is developing an instrument to be attached to a satellite, to measure energetic particles in the atmosphere and particle precipitation. This ...
Master thesis