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Curlometer Technique and Applications
(Journal article; Peer reviewed, 2021)We review the range of applications and use of the curlometer, initially developed to analyze Cluster multi-spacecraft magnetic field data; but more recently adapted to other arrays of spacecraft flying in formation, such ... -
Current systems associated with Non-Conjugate Aurora
(Master thesis, 2015-01-20)The main goal of this Thesis is twofold. First, we want to develop a solid method for identifying the field aligned currents related to the specific non-conjugate auroral features identified by Reistad et al. [2013] and ... -
The Cusp as a VLF Saucer Source: First Rocket Observations of Long‐Duration VLF Saucers on the Dayside
(Journal article; Peer reviewed, 2021)Auroral whistler‐mode radio emissions called saucers are of fundamental interest because they require an unusually stationary emission process in the dynamic auroral environment, and it is a mystery how that can happen in ... -
Customization of the angular spectrum method for calculating the acoustic piston field transmitted through a solid plate using MATLAB
(Journal article; Peer reviewed, 2023)The angular spectrum (AS) model is customized to calculate the spatial acoustic pressure field generated by a piston source and transmitted through a steel plate immersed in water, for normal beam incidence. A MATLAB program ... -
Cutoff latitude variation during solar proton events: Causes and consequences
(Peer reviewed; Journal article, 2015-01)To accurately quantify the effect of solar proton events (SPEs) on the atmosphere requires a good estimate of the particle energy deposition in the middle atmosphere (60–100 km) and how the energy is distributed globally. ... -
Cutoff Latitudes of Solar Proton Events Measured by GPS Satellites
(Journal article; Peer reviewed, 2022)Solar energetic particles (SEPs), one of the main causes of particle radiation in interplanetary space, can disrupt radio communication, induce spacecraft failures and change the heating and cooling rates in the atmosphere ... -
D meson elliptic flow in non-central Pb-Pb collisions at \(\sqrt{s_{NN}}\) = 2.76TeV
(Peer reviewed; Journal article, 2013-09)Azimuthally anisotropic distributions of \(D^0, D^+\) and \(D^{*+}\) mesons were studied in the central rapidity region (|y| < 0.8) in Pb-Pb collisions at a centre-of-mass energy \(\sqrt{s_{NN}}\) = 2.76 TeV per nucleon-nucleon ... -
D-meson azimuthal anisotropy in mid-central Pb-Pb collisions at \(\mathbf{\sqrt{s_{\rm NN}}=5.02}\) TeV
(Peer reviewed; Journal article, 2018-03)The azimuthal anisotropy coefficient \(v_2\) of prompt D\)^0\), D\)^+\), D\)^{*+}\) and D\(_s^+\) mesons was measured in mid-central (30-50% centrality class) Pb-Pb collisions at a centre-of-mass energy per nucleon pair ... -
D-meson nuclear modification factor and elliptic flow measurements in Pb–Pb collisions at \(\sqrt {s_{NN}}\) = 5.02TeV with ALICE at the LHC
(Peer reviewed; Journal article, 2017-11)ALICE measured the nuclear modification factor \(R_{AA}\) and elliptic flow \(\nu_{2}\) of D mesons \(D^{0}\). \(D^{+}\). \(D^{⁎+}\) and \(D^{s+}\) in semi-central Pb–Pb collisions at \(\sqrt{s_{NN}} =5.02\) TeV. The ... -
D-meson production in \(p\)–Pb collisions at \(\sqrt{s_{\rm NN}}=5.02\) TeV and in \(pp\) collisions at \(\sqrt{s}=7\) TeV
(Peer reviewed; Journal article, 2016-11)The production cross sections of the prompt charmed mesons D\)^0\), D\)^+\), D\)^{*+}\) and D\(_{\rm s}^+\) were measured at mid-rapidity in p-Pb collisions at a centre-of-mass energy per nucleon pair \(\sqrt{s_{\rm ... -
D0-electron correlations in p–Pb collisions at \(\sqrt{s_{\rm{NN}}}\) = 5.02 TeV
(Doctoral thesis, 2017-04-21)In collisions of lead nuclei at the Large Hadron Collider (LHC) at CERN, a state of matter called Quark-Gluon Plasma (QGP) is formed, where quarks and gluons are no longer confined into hadrons. Heavy-flavour quarks, i.e., ... -
Daedalus: A low-flying spacecraft for in situ exploration of the lower thermosphere-ionosphere
(Journal article; Peer reviewed, 2020)The Daedalus mission has been proposed to the European Space Agency (ESA) in response to the call for ideas for the Earth Observation program's 10th Earth Explorer. It was selected in 2018 as one of three candidates for a ... -
Dark matter and fundamental physics with the Cherenkov Telescope Array
(Peer reviewed; Journal article, 2013-03)The Cherenkov Telescope Array (CTA) is a project for a next-generation observatory for very high energy (GeV–TeV) ground-based gamma-ray astronomy, currently in its design phase, and foreseen to be operative a few years ... -
Dark matter in a CP-violating three-Higgs-doublet model with S3 symmetry
(Journal article; Peer reviewed, 2022)In spite of the success of the Standard Model of particle physics, there are some theoretical predictions which are not yet fully established experimentally, as well as some experimental observations which cannot be fitted ... -
Dark matter in three-Higgs-doublet models with S3 symmetry
(Journal article; Peer reviewed, 2022)Models with two or more scalar doublets with discrete or global symmetries can have vacua with vanishing vacuum expectation values in the bases where symmetries are imposed. If a suitable symmetry stabilises such vacua, ... -
Dark Matter Searches with ATLAS and Fermi
(Master thesis, 2013-06-03)This thesis presents Dark matter inspired searches for supersymmetry with a one-tau analysis at ATLAS, which excludes a region close to that of allowed dark matter densities at m_0 ~ 400 GeV, m_1/2 ~ 600 GeV, tan \beta = ... -
Dawn-dusk asymmetries in the coupled solar wind-magnetosphere-ionosphere system: a review
(Peer reviewed; Journal article, 2014-07-01)Dawn–dusk asymmetries are ubiquitous features of the coupled solar-wind–magnetosphere–ionosphere system. During the last decades, increasing availability of satellite and ground-based measurements has made it possible to ... -
Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection
(Peer reviewed; Journal article, 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 ... -
Dayside Field-Aligned Current Impacts on Ionospheric Irregularities
(Journal article; Peer reviewed, 2020)Global Navigation Satellite Systems (GNSS) are subject to disturbances caused by plasma irregularities in the ionosphere. Studies have suggested that in addition to the gradient drift and Kelvin‐Helmholtz instabilities, ... -
Dayside Transient Phenomena and Their Impact on the Magnetosphere and Ionosphere
(Journal article; Peer reviewed, 2022)Dayside transients, such as hot flow anomalies, foreshock bubbles, magnetosheath jets, flux transfer events, and surface waves, are frequently observed upstream from the bow shock, in the magnetosheath, and at the magnetopause. ...