Now showing items 1547-1566 of 1568

• #### W and Z boson production in p–Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV ﻿

(Peer reviewed; Journal article, 2017-02)
The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward ...
• #### A water droplet-powered sensor based on charge transfer to a flow-through front surface electrode ﻿

(Journal article; Peer reviewed, 2020)
A water droplet sensor based on a flow-through front surface electrode is demonstrated. It is shown that a triboelectric nanogenerator based on a metal-dielectric junction can be utilized to construct simple, self-powered ...
• #### Waterflood Efficiency and Single-Phase Flow Properties of Carbonate Porous Media ﻿

(Doctoral thesis, 2009-12-17)
• #### Wettability effects on oil recovery mechanisms in fractured chalk ﻿

(Doctoral thesis, 2007-02-02)
This thesis is a part of the ongoing project, “Oil recovery from fractured chalk reservoirs”, which is a collaboration between the Reservoir Physics Group at the University of Bergen and ConocoPhillips Research Center in ...
• #### What is the appropriate coordinate system for magnetometer data when analyzing ionospheric currents? ﻿

(Peer reviewed; Journal article, 2014-10)
In this paper we investigate which coordinate representation is most appropriate when analyzing ground magnetometer data in terms of ionospheric currents, in particular the westward electrojet. The AL and the recently ...
• #### Why should we use residual thermodynamics for calculation of hydrate phase transitions? ﻿

(Journal article; Peer reviewed, 2020)
The formation of natural gas hydrates during processing and transport of natural has historically been one of the motivations for research on hydrates. In recent years, there has been much focus on the use of hydrate as a ...
• #### Will Climate Change Impact Polar NOx Produced by Energetic Particle Precipitation? ﻿

(Journal article; Peer reviewed, 2020)
Energetic electron precipitation (EEP) is an important source of polar nitrogen oxides (NOx) in the upper atmosphere. During winter, mesospheric NOx has a long chemical lifetime and is transported to the stratosphere by ...
• #### Z boson production in Pb+Pb collisions at √sNN=5.02 TeV measured by the ATLAS experiment ﻿

(Journal article; Peer reviewed, 2020)
The production yield of Z bosons is measured in the electron and muon decay channels in Pb+Pb collisions at √sNN = 5.02 TeV with the ATLAS detector. Data from the 2015 LHC run corresponding to an integrated luminosity of ...
• #### Z-boson production in p-Pb collisions at √sNN = 8.16 TeV and Pb-Pb collisions at √sNN = 5.02 TeV ﻿

(Journal article; Peer reviewed, 2020)
Measurement of Z-boson production in p-Pb collisions at √ sNN = 8.16 TeV and Pb-Pb collisions at √ sNN = 5.02 TeV is reported. It is performed in the dimuon decay channel, through the detection of muons with pseudorapidity ...
• #### ZZ→ℓ+ℓ−ℓ'+ℓ'− cross-section measurements and search for anomalous triple gauge couplings in 13 TeV pp collisions with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018)
Measurements of ZZ production in the lþl−l0þl0− channel in proton–proton collisions at 13 TeV center-of-mass energy at the Large Hadron Collider are presented. The data correspond to 36.1 fb−1 of collisions collected by ...
• #### Økt oljeutvinning i kalk basert på vannkjemi og potensialbestemmende ioner for endring av fukt ﻿

(Master thesis, 2010-06-01)
Om lag 50 % av verdens oljereserver ligger lagret i karbonatreservoarer. Slike reservoarer har ofte en fukt som ligger i området fra nøytralt fuktet til moderat oljefuktet. Nøkkelmekanismen for høy oljeutvinning ved ...
• #### Λ and Λ spin interaction with meson fields generated by the baryon current in high energy nuclear collisions ﻿

(Peer reviewed; Journal article, 2019-02-19)
We propose a dynamical mechanism which provides an interaction between the spins of hyperons and antihyperons and the vorticity of the baryon current in noncentral high energy nuclear collisions. The interaction is mediated ...
• #### Λ c + production in pp collisions at √s=7 TeV and in p-Pb collisions at √sNN=5.02 TeV ﻿

(Peer reviewed; Journal article, 2018-04)
The pT-differential production cross section of prompt Λ c + charmed baryons was measured with the ALICE detector at the Large Hadron Collider (LHC) in pp collisions at s√=7 TeV and in p-Pb collisions at sNN−−−√=5.02 TeV ...
• #### Λ polarization in an exact rotating and expanding fluid dynamical model for peripheral heavy ion reactions ﻿

(Peer reviewed; Journal article, 2015-12-02)
We calculate the Λ polarization in an exact analytical, rotating model based on parameters extracted from a high resolution (3+1)D particle-in-cell relativistic hydrodynamics calculation. The polarization is attributed to ...
• #### Λ polarization in an exact ﬂuid dynamical model for heavy-ion collisions ﻿

(Peer reviewed; Journal article, 2016)
Λ polarization is calculated in an exact analytical, rotating model based on parameters from a high resolution (3+1)D Particle-in-Cell Relativistic hydrodynamics calculation. The polarization is attributed to eﬀects from ...
• #### Λ polarization in peripheral collisions at moderately relativistic energies ﻿

(Peer reviewed; Journal article, 2016-11-21)
The polarization of Λ hyperons from relativistic flow vorticity is studied in peripheral heavy ion reactions at FAIR and NICA energies, just above the threshold of the transition to the quark-gluon plasma. Previous ...
• #### Λ polarization in peripheral heavy ion collisions ﻿

(Peer reviewed; Journal article, 2013-09-13)
We predict the polarization of Λ and Λ¯ hyperons in peripheral heavy ion collisions at ultrarelativistic energy, based on the assumption of local thermodynamical equilibrium at the freeze-out. The polarization vector is ...
• #### Λc+ production in Pb–Pb collisions at √sNN = 5.02 TeV ﻿

(Peer reviewed; Journal article, 2019-04-23)
A measurement of the production of prompt baryons in Pb–Pb collisions at TeV with the ALICE detector at the LHC is reported. The and were reconstructed at midrapidity () via the hadronic decay channel (and charge conjugate) ...
• #### π0 and η meson production in proton-proton collisions at √s=8 TeV ﻿

(Peer reviewed; Journal article, 2018-03-26)
An invariant differential cross section measurement of inclusive π^0 and η meson production at mid-rapidity in pp collisions at √s=8 TeV was carried out by the ALICE experiment at the LHC. The spectra of π^0 and η mesons ...
• #### ϒ production in p–Pb collisions at √sNN=8.16 TeV ﻿

(Journal article; Peer reviewed, 2020)
ϒ production in p–Pb interactions is studied at the centre-of-mass energy per nucleon–nucleon collision √sNN = 8.16 TeV with the ALICE detector at the CERN LHC. The measurement is performed reconstructing bottomonium ...