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Mesospheric Nitric Oxide Transport in WACCM
(Journal article; Peer reviewed, 2022)Energetic particle precipitation (EPP) causes ionization of the main constituents of the Earth's atmosphere which leads to the production of nitric oxide (NO) throughout the polar mesosphere and lower thermosphere (MLT). ... -
Meter-scale spark X-ray spectrum statistics
(Peer reviewed; Journal article, 2015-11-13)X-ray emission by sparks implies bremsstrahlung from a population of energetic electrons, but the details of this process remain a mystery. We present detailed statistical analysis of X-ray spectra detected by multiple ... -
Methane and carbon dioxide exchange production studies from exposed natural gas hydrate
(Master thesis, 2010)Two laboratory experimental setups have been designed in collaboration with the Reservoir Physics Group at the Department of Physics and Technology. The equipments have been completed and tested. The first experiment was ... -
Methane Hydrate Production Using Mixture of CO2 and N2.
(Master thesis, 2015-06-09)Gas Hydrates (GHs) are naturally occurring solid, crystalline compounds in which natural gas is trapped inside the cage like structures formed by water molecules. Lately a novel technology has been developed for the ... -
Methane Production from Natural Gas Hydrates. Impact of Temperature on CH4 -CO2 Exchange rate in Hydrate Bearing Sandstone
(Master thesis, 2013-06-17)Dissociation by pressure depletion, thermal stimulation and/or injection of inhibitors are three known methods for gas production from natural gas hydrates. Challenges concerning these production methods are water and sand ... -
Method for measuring cooling efficiency ofwater droplets impinging onto hot metal discs
(Peer reviewed; Journal article, 2018-06-09)The present work outlines a method for measuring the cooling efficiency of droplets impinging onto hot metal discs in the temperature range of 85 °C to 400 °C, i.e., covering the boiling regimes experienced when applying ... -
A method to derive satellite PAR albedo time series over first-year sea ice in the Arctic Ocean
(Journal article; Peer reviewed, 2022)Deriving sea ice albedo from spaceborne platforms is of interest to model the propagation of the photosynthetically available radiation (PAR) through Arctic sea ice. We show here that use of the Moderate Resolution Imaging ... -
A method to estimate the boson mass and to optimise sensitivity to helicity correlations of tau+tau final states
(Peer reviewed; Journal article, 2012-01-11)In proton-proton collisions at LHC energies, Z0 and low mass Higgs bosons would be produced with high and predominantly longitudinal boost with respect to the beam axis. This note describes a new analysis tool devised to ... -
Micro-assisted fabrication of collagen matrix to study cell mechanical behaviour under micro-confinement
(Master thesis, 2012-01-13)The aim of this work has been to optimize a microenvironment for study of the behaviour of living cells. This type of microenvironment has previously been used to compare adhesion ability for different cell types and those ... -
The Micro-Macro Coupling of Mass-Loading in Symmetric Magnetic Reconnection With Cold Ions
(Journal article; Peer reviewed, 2021)We investigate how magnetic reconnection is influenced by an inflow of a dense cold ion population. We compare two 2.5D Particle-In-Cell simulations, one containing the cold population and one without. We find that the ... -
Microdosimetry with a 3D silicon on insulator (SOI) detector in a low energy proton beamline
(Journal article; Peer reviewed, 2020)An accurate description of the radiation quality of proton beams is a precondition to increase our understanding of radiobiological mechanisms and to develop accurate biological response models for radiotherapy. However, ... -
Microfluidic hydrogen storage capacity and residual trapping during cyclic injections: Implications for underground storage
(Journal article; Peer reviewed, 2023)Long-term and large-scale H2 storage is vital for a sustainable H2 economy. Research in underground H2 storage (UHS) in porous media is emerging, but the understanding of H2 reconnection and recovery mechanisms under cyclic ... -
Microscopic and macroscopic assessment of carbonate dissolution for geologic CO2 storage
(Journal article; Peer reviewed, 2023)Carbon capture and storage in underground formations might be considered as a relevant technology to curb anthropogenic climate gas emissions. However, carbon dioxide (CO2) injection can lead to severe rock-fluid interactions ... -
Mid-rapidity anti-baryon to baryon ratios in pp collisions at \(\sqrt{s}\) = 0.9, 2.76 and 7 TeV measured by ALICE
(Peer reviewed; Journal article, 2013-07)The ratios of yields of anti-baryons to baryons probes the mechanisms of baryon-number transport. Results for anti-proton/proton, anti-\(\Lambda/\Lambda\), anti-\(\Xi^{+}/\Xi^{-}\) and anti-\(\Omega^{+}/\Omega^{-}\) in pp ... -
Midrapidity antiproton-to-proton ratio in pp collisons root s=0.9 and 7 TeV measured by the ALICE experiment
(Journal article, 2010)The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at root s = 0.9 and 7 TeV during the initial running periods of the Large Hadron Collider. The measurement covers ... -
Millisecond observations of nonlinear wave–electron interaction in electron phase space holes
(Journal article; Peer reviewed, 2022)Electron phase space holes (EHs) associated with electron trapping are commonly observed as bipolar electric field signatures in both space and laboratory plasma. Until recently, it has not been possible to resolve EHs in ... -
Minimal sterile neutrino dark matter
(Journal article; Peer reviewed, 2023)We propose a novel mechanism to generate sterile neutrinos νs in the early Universe, by converting ordinary neutrinos να in scattering processes νsνα→νsνs. After initial production by oscillations, this leads to an exponential ... -
Mix Hydrate formation by CH4-CO2 exchange using Phase Field Theory with implicit Thermodynamics
(Peer reviewed; Journal article, 2012)Natural gas hydrates are ice-like structures composed of water and gas (mostly methane) molecules. They are found worldwide and contain huge amounts of bound methane. Therefore, it represent potentially vast and yet untapped ... -
MMS Measurements of the Vlasov Equation: Probing the Electron Pressure Divergence Within Thin Current Sheets
(Journal article; Peer reviewed, 2019)We investigate the kinetic structure of electron‐scale current sheets found in the vicinity of the magnetopause and embedded in the magnetosheath within the reconnection exhaust. A new technique for computing terms of the ... -
MMS Observations of Multiscale Hall Physics in the Magnetotail
(Journal article; Peer reviewed, 2019)We present Magnetospheric Multiscale mission (MMS) observations of Hall physics in the magnetotail, which compared to dayside Hall physics is a relatively unexplored topic. The plasma consists of electrons, moderately cold ...