Now showing items 275-294 of 630

• Magnetic coordinate systems ﻿

(Springer, 2017-03)
Geospace phenomena such as the aurora, plasma motion, ionospheric currents and associated magnetic field disturbances are highly organized by Earth’s main magnetic field. This is due to the fact that the charged particles ...
Journal article
• Marine seismics with a pulsed combustion source and Pseudo Noise codes ﻿

(Springer, 2007-03)
There has been an ongoing debate for years of how dangerous seismic surveys are with respect to marine life. Marine seismics is today dominated by airgun technology, where high energy is generated by a release of compressed ...
Journal articlePeer reviewed
• Måling av akustisk spreiing fra makrellbein ﻿

(The University of Bergen, 2006-06)
Master thesis
• Måling av forholdet mellom ladning og masse for elektronet - Utførelse og laboratorieveiledning ﻿

(The University of Bergen, 2010-05-31)
Hensikten med denne masteroppgaven er å lage en laboratorieveiledning til en øvelse i et fag for laveregradstudenter ved Universitetet i Bergen. Foruten å finne en interessant fysisk verdi er hovedhensikten at studentene ...
Master thesis
• Measurement of charged jet production cross sections and nuclear modification in p-Pb collisions at $\sqrt{s_\rm{NN}} = 5.02$ TeV ﻿

(Elsevier, 2015-10)
Charged jet production cross sections in p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV measured with the ALICE detector at the LHC are presented. Using the anti-$k_{\rm T}$ algorithm, jets have been reconstructed in ...
Journal article
• Measurement of charged jet suppression in Pb-Pb collisions at √sNN = 2.76 TeV ﻿

(Springer, 2014-03)
A measurement of the transverse momentum spectra of jets in Pb–Pb collisions at √sNN = 2.76TeV is reported. Jets are reconstructed from charged particles using the anti-kT jet algorithm with jet resolution parameters R ...
Journal article
• Measurement of charged-particle spectra in Pb+Pb collisions at (Formula presented.) = 2.76 TeV with the ATLAS detector at the LHC ﻿

(Springer, 2015-09-09)
Charged-particle spectra obtained in Pb+Pb interactions at sNN−−−√=2.76 TeV and pp interactions at sNN−−−√=2.76 TeV with the ATLAS detector at the LHC are presented, using data with integrated luminosities of 0.15 nb−1 and ...
Journal article
• Measurement of conductivity of intumescing materials ﻿

(The University of Bergen, 2009-06-01)
The main objective of this thesis was to develop a test method for finding the thermal conductivity of intumescing materials to be used in numerical simulations. When simulating for instance fire exposure to a construction ...
Master thesis
• Measurement of dijet production with a veto on additional central jet activity in pp collisions at ps = 7TeV using the ATLAS detector ﻿

(Springer, 2011-09-12)
A measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20GeV is found between the two boundary jets. The fraction ...
Peer reviewedJournal article
• Measurement of distributions sensitive to the underlying event in inclusive Z-boson production in pp collisions at √s = 7 TeV with the ATLAS detector ﻿

(Springer Berlin Heidelberg, 2014-12-10)
A measurement of charged-particle distributions sensitive to the properties of the underlying event is presented for an inclusive sample of events containing a TeX -boson, decaying to an electron or muon pair. The measurement ...
Journal article
• Measurement of electrons from beauty hadron decays in pp collisions at root √s=7 TeV ﻿

(Elsevier, 2013-04-10)
The production cross section of electrons from semileptonic decays of beauty hadrons was measured at mid-rapidity (|y| < 0.8) in the transverse momentum range 1 < pT <8 GeV/c with the ALICE experiment at the CERN LHC in ...
Journal article
• Measurement of electrons from semileptonic heavy-flavor hadron decays in pp collisions at s =2.76TeV ﻿

(American Physical Society, 2015-01-07)
The pT-differential production cross section of electrons from semileptonic decays of heavy-flavor hadrons has been measured at midrapidity in proton-proton collisions at s√=2.76  TeV in the transverse momentum range ...
Journal article
• Measurement of flow harmonics with multi-particle cumulants in Pb+Pb collisions at (Formula presented.) TeV with the ATLAS detector ﻿

(Springer Berlin Heidelberg, 2014-11-26)
ATLAS measurements of the azimuthal anisotropy in lead–lead collisions at TeX TeV are shown using a dataset of approximately 7 TeX b TeX collected at the LHC in 2010. The measurements are performed for charged particles ...
Journal article
• Measurement of Higgs boson production in the diphoton decay channel in $pp$ collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector ﻿

(American Physical Society, 2014-12-24)
A measurement of the production processes of the recently discovered Higgs boson is performed in the two-photon final state using 5.4 fb$^{-1}$ of proton-proton collisions data at $\sqrt{s}=7$ TeV and 20.3 fb$^{-1}$ at ...
Journal article
• Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector ﻿

(Springer, 2011-02-03)
Jet cross sections have been measured for the first time in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector. The measurement uses an integrated luminosity of 17 nb−1 recorded at the ...
Peer reviewedJournal article
• Measurement of isolated-photon pair production in pp collisions at root s=7 TeV with the ATLAS detector ﻿

(Springer, 2013-01-11)
The ATLAS experiment at the LHC has measured the production cross section of events with two isolated photons in the final state, in proton-proton collisions at s√=7TeV. The full data set collected in 2011, corresponding ...
Journal article
• Measurement of long-range pseudorapidity correlations and azimuthal harmonics in $\sqrt{s_{\mathrm{NN}}}$=5.02 TeV proton-lead collisions with the ATLAS detector ﻿

(American Physical Society, 2014-10-09)
Measurements of two-particle correlation functions and the first five azimuthal harmonics, $v_1$ to $v_5$, are presented, using 28 $\mathrm{nb}^{-1}$ of $p$+Pb collisions at a nucleon-nucleon center-of-mass energy of ...
Journal article
• Measurement of negatively charged pion spectra in inelastic p+p interactions at plab= 20, 31, 40, 80 and 158 GeV/c ﻿

(Springer, 2014-03)
We present experimental results on inclusive spectra and mean multiplicities of negatively charged pions produced in inelastic p+p interactions at incident projectile momenta of 20, 31, 40, 80 and 158 GeV/c ( √s= 6.3, 7.7, ...
Journal article
• Measurement of Neutron Doses from Radiotherapy with 12C Ions and Photons ﻿

(The University of Bergen, 2009-05-21)
The overall objective of this thesis has been to investigate the neutron doses from radiotherapy with photons and ions. The advantages of proton and ion therapy, compared to the use of photons were also examined. During ...
Master thesis
• Measurement of non-linear acoustoelastic effect in steel using acoustic resonance ﻿

(The University of Bergen, 2014-09-25)
Non-destructive stress measurements of structures are increasingly valued by the industry. Ultrasonic methods have the advantage that acoustic waves propagate with ease through materials, making it possible to probe the ...
Doctoral thesis