Now showing items 101-120 of 769

• #### 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 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
• #### 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 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 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 High-Speed Digital Readout System for Use in Proton Computed Tomography ﻿

(The University of Bergen, 2017-06-16)
A team at the University of Bergen is developing a proton computed tomography (CT) scanner prototype. The proton CT (pCT) scanner will introduce fewer insecurities than conventional photon CT when analyzing the location ...
Master thesis
• #### Design og studier av lydkilde for SOBER-prosjektet ﻿

(The University of Bergen, 2002)
An ultrasonic sound source was constructed for the University of Bergen’s participation in the Sonic Boom European Research project. A piezoceramic disc was chosen as the active element and some of its properties were ...
Master thesis
• #### Design, implementation and testing of SRAM based neutron detectors ﻿

(The University of Bergen, 2011-06-01)
Neutrons of thermal and high energies can change the value of a bit stored in a Static Random Access Memory (SRAM) memory chip. The effect is non destructive and linearly dependent on the amount of incoming particles, which ...
Master thesis
• #### Designing and Development of Readout and Configuration Program for the MXGS-Instrument ﻿

(The University of Bergen, 2011-10-14)
The Atmosphere-Space Interactive Monitor (ASIM) is a project running under the guideline and financial support of the European Space Agency (ESA). The ASIM instrument consists of several high resolution, optical cameras ...
Master thesis
• #### Detection of CO2 in N2 and H2O using photoacoustics ﻿

(The University of Bergen and Victoria University, 2013-06-03)
Photoacoustic spectroscopy is a technique where absorbed modulated light is released as heat, causing thermal expansion which can be detected using an acoustic transducer. It can be used to determine the absorption spectra ...
Master thesis
• #### Detection of low energy antiproton annihilations in a segmented silicon detector ﻿

(IOP Publishing, 2014-06)
The goal of the AEḡIS experiment at the Antiproton Decelerator (AD) at CERN, is to measure directly the Earth’s gravitational acceleration on antimatter by measuring the free fall of a pulsed, cold antihydrogen beam. The ...
Journal article
• #### Determination of the minimum ignition energy (MIE) of premixed propane/air ﻿

(The University of Bergen, 2009-06-12)
This Master thesis describes an experimental study aimed at determining the minimum ignition energy (MIE) of premixed propane/air mixtures. Two fundamentally different circuits have been employed for creating the sparks ...
Master thesis