Blar i Department of Physics and Technology på tittel
Viser treff 1103-1122 av 2104
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Measurements of underlying-event properties using neutral and charged particles in pp collisions at √ s = 900 GeV and √ s = 7 TeV with the ATLAS detector at the LHC
(Peer reviewed; Journal article, 2011-05-10)We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters. Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV. Events ... -
Measurements of W + W −+ ≥ 1 jet production cross-sections in pp collisions at √s = 13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2021)Fiducial and differential cross-section measurements of W+W− production in association with at least one hadronic jet are presented. These measurements are sensitive to the properties of electroweak-boson self-interactions ... -
Measurements of W and Z boson production in pp collisions at √s=5.02 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2019-02-11)Measurements of fiducial integrated and differential cross sections for inclusive W+, W− and Z boson production are reported. They are based on 25.0±0.5pb−1 of pp collision data at s√=5.02 TeV collected with the ATLAS ... -
Measurements of WH and ZH production in the H→ bb¯ decay channel in pp collisions at 13TeV with the ATLAS detector
(Journal article; Peer reviewed, 2021)Measurements of the Standard Model Higgs boson decaying into a bb¯ pair and produced in association with a W or Z boson decaying into leptons, using proton–proton collision data collected between 2015 and 2018 by the ATLAS ... -
Measurements of Ξ (1530) and Ξ ¯ (1530) production in proton–proton interactions at √sNN = 17.3 GeV in the NA61/SHINE experiment
(Journal article; Peer reviewed, 2021)Double-differential yields of Ξ(1530)0Ξ(1530)0 and Ξ¯¯¯¯(1530)0Ξ¯(1530)0 resonances produced in p+p interactions were measured at a laboratory beam momentum of 158 GeV /c GeV /c. This measurement is the first of its kind ... -
Measurements of π± , K± and proton double differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS
(Journal article; Peer reviewed, 2019)Measurements of the π±, K±, and proton double differential yields emitted from the surface of the 90-cm-long carbon target (T2K replica) were performed for the incoming 31 GeV/c protons with the NA61/SHINE spectrometer at ... -
Measurements of π±, K±, p and p¯ spectra in 7Be+9Be collisions at beam momenta from 19A to 150A GeV/c with the NA61/SHINE spectrometer at the CERN SPS
(Journal article; Peer reviewed, 2021)The NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) studies the onset of deconf inement in hadron matter by a scan of particle production in collisions of nuclei with various sizes at a set of energies ... -
The measurements on the branching fractions and asymmetries of B→Kℓ+ℓ- and B→K*ℓ+ℓ- decays
(Doctoral thesis, 2008-11-14) -
Measuring CP violation in two-Higgs-doublet models in light of the LHC Higgs data
(Peer reviewed; Journal article, 2014-11)In Two-Higgs-Doublet models, the conditions for CP violation can be ex- pressed in terms of invariants under U(2) rotations among the two SU(2) Higgs doublet fields. In order to design a strategy for measuring the invariants ... -
Measuring K0SK± interactions using pp collisions at √s=7 TeV
(Peer reviewed; Journal article, 2019-03-10)We present the first measurements of femtoscopic correlations between the and particles in pp collisions at TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state ... -
Measuring K\(^0_{\rm S}\)K\(^{\rm \pm}\) interactions using Pb-Pb collisions at \({\sqrt{s_{\rm NN}}=2.76}\) TeV
(Peer reviewed; Journal article, 2017-11)We present the first ever measurements of femtoscopic correlations between the K\(^0_{\rm S}\) and K\(^{\rm \pm}\) particles. The analysis was performed on the data from Pb-Pb collisions at \(\sqrt{s_{\rm NN}}=2.76\) TeV ... -
The Mechanism for Improved Polymer Gel Blocking During Low-Salinity Waterfloods, Investigated Using Positron Emission Tomography Imaging
(Journal article; Peer reviewed, 2020)Polymer gels can be placed in fractures within subsurface reservoirs to improve sweep efficiency during subsequent floods, and its success is largely determined by the gel’s ability to completely occupy the fracture volume. ... -
Mechanisms responsible for asymmetric aurora between the conjugate hemispheres
(Doctoral thesis, 2016-04)The work presented in this thesis is part of ongoing research within one of the research groups at the Birkeland Centre for Space Science (BCSS) at the Department of Physics and Technology, University of Bergen. Members ... -
Mechanistic Modeling of Combined Low Salinity Waterflood and Surfactant- Polymer Flooding
(Master thesis, 2018-06-27)Flooding experiments have been made to investigating the effects of low salinity brine injection and the combined injection of low salinity surfactant and low salinity polymer solutions. These experiments have shown a large ... -
Medical physics aspects of the synchrotron radiation therapies: Microbeam radiation therapy (MRT) and synchrotron stereotactic radiotherapy (SSRT)
(Peer reviewed; Journal article, 2015-09)Stereotactic Synchrotron Radiotherapy (SSRT) and Microbeam Radiation Therapy (MRT) are both novel approaches to treat brain tumor and potentially other tumors using synchrotron radiation. Although the techniques differ by ... -
Medium modification of the shape of small-radius jets in central Pb-Pb collisions at √sN-N-=2.76TeV
(Peer reviewed; Journal article, 2018-10)We present the measurement of a new set of jet shape observables for track-based jets in central Pb-Pb collisions at sNN−−−√=2.76 TeV. The set of jet shapes includes the first radial moment or angularity, g; the momentum ... -
Medium-induced cascade in expanding media
(Journal article; Peer reviewed, 2020)Detailed insight into the interplay between parton energy loss and the way deconfined medium created in heavy-ion collisions expands is of great importance for improving the understanding of the jet quenching phenomenon. ... -
Medium-induced modification of Z -tagged charged particle yields in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2021)The yield of charged particles opposite to a Z boson with large transverse momentum (pT) is measured in 260 pb^−1 of pp and 1.7 nb^−1 of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with the ATLAS detector ... -
Medium-induced radiative kernel with the Improved Opacity Expansion
(Journal article; Peer reviewed, 2021)We calculate the fully differential medium-induced radiative spectrum at next-to-leading order (NLO) accuracy within the Improved Opacity Expansion (IOE) framework. This scheme allows us to gain analytical control of the ... -
Mesoscale ionospheric plasma irregularities and scintillation over Svalbard
(Doctoral thesis, 2016-10-21)This thesis investigates how navigation signals are compromised by ionospheric plasma irregularities in the auroral and polar ionosphere over Svalbard. In 2013, four multiconstellation global navigation satellite system ...