Now showing items 543-562 of 886

• #### Nano to Micro Scale Modeling of Hydrate Phase Transition Kinetics ﻿

(The University of Bergen, 2017-05-23)
Doctoral thesis
• #### Nanostructured Materials for Solar Energy Applications ﻿

(The University of Bergen, 2018-03-23)
The work presented in this thesis focuses on nanostructures, and what effect parameters like size, material, and surroundings have on their physical properties, with special emphasis on optical properties. The motivation ...
Doctoral thesis
• #### Nanostructuring of free-standing, dielectric membranes using electron-beam lithography ﻿

(American Institute of Physics, 2013)
Nanostructured dielectric membranes are used in several applications ranging from de Broglie matter-wave optical elements to photonic crystals. Precise pattern transfer and high aspect ratio structures are crucial for ...
Journal article
• #### Near-surface petrochemical sensing using coplanar waveguides ﻿

(The University of Bergen, 2015-09-11)
The project studies the ability of coplanar waveguide sensor in sensing thin layers of petrochemical liquid. A coplanar waveguide is built on flexible printable circuit board partially based on an existing design. Two ...
Master thesis
• #### Net-baryon fluctuations measured with ALICE at the CERN LHC ﻿

(Elsevier, 2017-11)
First experimental results are presented on event-by-event net-proton fluctuation measurements in Pb- Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV, recorded by the ALICE detector at the CERN LHC. The ALICE detector is well ...
Journal article
• #### Nettle as a distinct Bronze Age textile plant ﻿

(Nature Publishing Group, 2012-09-28)
It is generally assumed that the production of plant fibre textiles in ancient Europe, especially woven textiles for clothing, was closely linked to the development of agriculture through the use of cultivated textile ...
Journal article
• #### Network analysis of geomagnetic substorms using the SuperMAG database of ground-based magnetometer stations ﻿

(Wiley, 2015-09-26)
The overall morphology and dynamics of magnetospheric substorms is well established in terms of the observed qualitative auroral features seen in ground-based magnetometers. This paper focuses on the quantitative ...
Journal article
• #### Neutral atom and molecule focusing using a Fresnel zone plate ﻿

(American Institute of Physics, 2008)
Focusing of neutral atoms and molecules has several potential applications. The very first microscopy images using helium as an imaging probe were published earlier this year. Another possible application is to study the ...
Peer reviewedJournal article
• #### Neutral meson production and correlation with charged hadrons in pp and Pb-Pb collisions with the ALICE experiment at the LHC ﻿

(Elsevier, 2017-11)
Among the probes used to investigate the properties of the Quark-Gluon Plasma, the measurement of the energy loss of high-energy partons can be used to put constraints on energy-loss models and to ultimately access medium ...
Journal article
• #### Neutral pion production at midrapidity in pp and Pb–Pb collisions at √sNN =2.76 TeV ﻿

(The University of Bergen, 2014-10)
Invariant yields of neutral pions at midrapidity in the transverse momentum range 0.6<pT<12GeV/ c measured in Pb–Pb collisions at √sNN=2.76 TeV are presented for six centrality classes. The pp reference spectrum was measured ...
Journal article
• #### Neutral Pion Production in p-Pb Collisions at √s^NN = 5.02 TeV with ALICE PHOS at the LHC ﻿

(The University of Bergen, 2015-08-24)
In this thesis, the neutral mesons measurement with ALICE PHOS at the LHC is presented. Depending on the technical design of PHOS and its momentum reach, the strategies of the neutral mesons extraction by invariant mass ...
Master thesis
• #### Neutral Pion Production in pp Collisions at √s = 2.76 TeV at the LHC with the ALICE Detector using the Electromagnetic Calorimeter ﻿

(The University of Bergen, 2015-07-13)
In this thesis the measurement of the neutral pion yield and its differential invariant cross section in pp collisions at √s = 2.76 TeV is presented. The π^0 s are measured in the two photon decay channel and photons are ...
Master thesis
• #### New Concept for Evaluating the Risk of Hydrate Formation during Processing and Transport of Hydrocarbons ﻿

(The University of Bergen, 2017-10-31)
Transport of hydrocarbons from reservoir to gas processing plants and for supply to delivery terminals is predominantly done using pipelines, particularly within reasonable distance. In the North Sea of Norway, there are ...
Master thesis
• #### New experimental techniques to study the adhesion to various solid surfaces of hydrate-relevant droplets and particles ﻿

(The University of Bergen, 2010-10-01)
Hydrate plugging is a substantial problem in the oil and gas industry, both economically, environmentally and safety wise. Plugging may occur as a result of agglomeration of hydrate particles, deposition of hydrates on ...
Master thesis
• #### New hydrate risk evaluation for processing and transport of natural gas containing water and impurities ﻿

(The University of Bergen, 2014-10-16)
The growth of natural gas transport by pipeline has led to the establishment of a large network of pipelines throughout the world [1]. Transport of natural gas through a network of pipelines is a challenging issue, mainly ...
Master thesis
• #### The new Inner Tracking System of the ALICE experiment ﻿

(Elsevier, 2017-11)
The ALICE experiment will undergo a major upgrade during the next LHC Long Shutdown scheduled in 2019&ndash;20 that will enable a detailed study of the properties of the QGP, exploiting the increased Pb-Pb luminosity ...
Journal article
• #### A new method reveals more TGFs in the RHESSI data ﻿

(American Geophysical Union, 2012-03-07)
Peer reviewedJournal article
• #### New method to detect rotation in high-energy heavy-ion collisions ﻿

(American Physical Society, 2014-03-31)
With increasing beam energies the angular momentum of the fireball in peripheral heavy-ion collisions increases, and the proposed differential Hanbury Brown and Twiss analysis is able to estimate this angular momentum ...
Journal article
• #### New Phenomenological Constraints on the Gaugino Mediation Model ﻿

(The University of Bergen, 2016-05-31)
In this thesis, phenomenological consequences of the Gaugino Mediation model for SUSY breaking are explored. First, the very important trilinear coupling is proven to exist in Gaugino Mediation. Then, the parameter space ...
Master thesis
• #### A new population of Terrestrial Gamma-ray Flashes ﻿

(The University of Bergen, 2017-06-21)
Terrestrial Gamma-ray Flashes (TGFs) consist of large numbers of highenergy photons produced in thunderstorms in connection with the lightning flash, and are the most energetic photon phenomenon naturally occurring ...
Master thesis