Now showing items 120-139 of 936

• D meson elliptic flow in non-central Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76TeV ﻿

(American Physical Society, 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 ...
Journal article
• D-meson azimuthal anisotropy in mid-central Pb-Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}=5.02}$ TeV ﻿

(American Physical Society, 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 $\sqrt{s_{\rm ... Journal article • D-meson nuclear modification factor and elliptic flow measurements in Pb–Pb collisions at$\sqrt {s_{NN}}$= 5.02TeV with ALICE at the LHC ﻿ (Elsevier, 2017-11) ALICE measured the nuclear modification factor ($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$TeV. The increased ... Journal article • D-meson production in$p$–Pb collisions at$\sqrt{s_{\rm NN}}=5.02$TeV and in$pp$collisions at$\sqrt{s}=7$TeV ﻿ (American Physical Society, 2016-11) The production cross sections of the prompt charmed mesons D$^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 NN}}=5.02$TeV ... Journal article • D0-electron correlations in p–Pb collisions at$\sqrt{s_{\rm{NN}}}\$ = 5.02 TeV ﻿

(The University of Bergen, 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, ...
Doctoral thesis
• Dark matter and fundamental physics with the Cherenkov Telescope Array ﻿

(Elsevier, 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 ...
Journal article
• Dark Matter Searches with ATLAS and Fermi ﻿

(The University of Bergen, 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 = ...
Master thesis
• Dawn-dusk asymmetries in the coupled solar wind-magnetosphere-ionosphere system: a review ﻿

(Copernicus Publications, 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 ...
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
• Decontamination of persistent organic pollutants in fishmeal and fish oil. Process optimization and modeling ﻿

(The University of Bergen, 2011-10-07)
Persistent organic pollutants (POPs) are fat soluble chemical substances that persist in the environment and bioaccumulate in the food chain. Through long-range environmental transportation by air, water and migratory ...
Doctoral thesis
• Default-mode network functional connectivity is closely related to metabolic activity ﻿

(John Wiley & Sons, 2015-06)
Over the last decade, the brain's default-mode network (DMN) and its function has attracted a lot of attention in the field of neuroscience. However, the exact underlying mechanisms of DMN functional connectivity, or more ...
Journal article
• Design and Development of the SMILE SXI Radiation Shutter Control System ﻿

(The University of Bergen, 2018-06-19)
This thesis concerns the design, implementation, testing and verification of the radiation shutter control system, an embedded, microcontroller-based system, to be used in the Solar Wind Magnetosphere Ionosphere Link ...
Master thesis
• Design and implementation of fast and sparsified readout for Monolithic Active Pixel Sensors ﻿

(The University of Bergen, 2010-11-26)
This thesis focuses on the development of smart pixel readout architectures that should ultimately be targeted for the Micro-Vertex Detector (MVD) of the CBM (Compressed Baryonic Matter) experiment. The technical challenge ...
Doctoral thesis
• Design and Simulation of Pixel Layout and Data Processing Algorithms for the DEEP Instrument ﻿

(The University of Bergen, 2018-10-17)
A team of researchers at Birkeland Centre for Space Science is developing an instrument that is able to measure particle precipitation into the atmosphere. The instrument consist of both electron and proton detectors, hence ...
Master thesis
• Design of a 60 GHz Low Noise Amplifier in a 0.13 µm SiGe BiCMOS Process ﻿

(The University of Bergen, 2016-06-01)
The Large Hadron Collider (LHC) in CERN outside Geneva in Switzerland is scheduled for an upgrade to improve the luminosity. This upgrade will require higher granularity for the triggering system, increasing the need for ...
Master thesis
• Design of a 60 GHz Power Amplifier in a 0.13 µm SiGe BiCMOS Process ﻿

(The University of Bergen, 2016-06-01)
The wide bandwidth in the unlicensed 60 GHz band enable short range wireless data transfer in the order of tens of gigabit per second. This, combined with the relatively low-cost, very high performance SiGe fabrication ...
Master thesis
• Design of a 60 GHz VCO Hybrid Microstrip Resonator in a 0.13-µm Sige process ﻿

(The University of Bergen, 2017-06-29)
Augmented reality, 4K television and video gaming. These are just some examples were the wireless products lacks performance in terms of multi-gigabit data transfers. A solution to this challenge is the 60 GHz band. The ...
Master thesis
• Design of a high power OOK modulator and verification of circuits in 60GHz SiGe BiCMOS ﻿

(The University of Bergen, 2017-06-29)
In this thesis, components for the UiB 60 GHz system are verified numerically and an on-off-keying (OOK) modulator is designed. Presence of mass in particle detector systems decrease the accuracy measuring the particle paths. ...
Master thesis
• Design of an Embedded Readout System for the ALOFT Gamma-Ray Detector Instrument ﻿

(The University of Bergen, 2018-10-24)
Birkeland Center for Space Science has proposed a campaign known as the Airborne Lightning Observatory for FEGS & TGFs (ALOFT) to study Terrestrial Gamma-Ray Flashes (TGFs). TGFs are the most energetic natural phenomena ...
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