Blar i Department of Physics and Technology på tittel
Viser treff 156-175 av 2162
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Charged-particle multiplicity distributions over a wide pseudorapidity range in proton-proton collisions at √s = 0.9, 7, and 8 TeV
(Peer reviewed; Journal article, 2017-12-09)We present the charged-particle multiplicity distributions over a wide pseudorapidity range (−3.4<η<5.0 ) for pp collisions at √s=0.9,7 , and 8 TeV at the LHC. Results are based on information from the Silicon Pixel Detector ... -
Charged-particle multiplicity fluctuations in Pb–Pb collisions at √sNN = 2.76 TeV
(Journal article; Peer reviewed, 2021)Measurements of event-by-event fluctuations of charged-particle multiplicities in Pb–Pb collisions at √sNN = 2.76 TeV using the ALICE detector at the CERN Large Hadron Collider (LHC) are presented in the pseudorapidity ... -
Charged-particle multiplicity measurement in proton–proton collisions at √s = 0.9 and 2.36 TeV with ALICE at LHC
(Peer reviewed; Journal article, 2010-07-12)Charged-particle production was studied in proton–proton collisions collected at the LHC with the ALICE detector at centre-of-mass energies 0.9 TeV and 2.36 TeV in the pseudorapidity range |η|<1.4. In the central region ... -
Charged-particle multiplicity measurement in proton–proton collisions at √s = 7 TeV with ALICE at LHC
(Peer reviewed; Journal article, 2010-08-03)The pseudorapidity density and multiplicity distribution of charged particles produced in proton–proton collisions at the LHC, at a centre-of-mass energy Ös=7s=7 TeV, were measured in the central pseudorapidity region ... -
Charged-particle production as a function of multiplicity and transverse spherocity in pp collisions at √s=5.02and 13 TeV
(Peer reviewed; Journal article, 2019-10-17)We present a study of the inclusive chargedparticle transverse momentum (pT) spectra as a function of charged-particle multiplicity density at mid-pseudorapidity, dNch/dη, in pp collisions at √s = 5.02 and 13 TeV covering ... -
Charged-particle pseudorapidity density at mid-rapidity in p–Pb collisions at √sNN = 8.16 TeV
(Peer reviewed; Journal article, 2019-04-04)The pseudorapidity density of charged particles, dNch/dη , in p–Pb collisions has been measured at a centre-of-mass energy per nucleon–nucleon pair of sNN−−−√ = 8.16 TeV at mid-pseudorapidity for non-single-diffractive ... -
Charged–particle multiplicities in proton–proton collisions at \(\sqrt{s}=\) 0.9 to 8 TeV, with ALICE at the LHC
(Peer reviewed; Journal article, 2017-01)The ALICE Collaboration has carried out a detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton-proton collisions, at \(\sqrt{s} =\) 0.9, 2.36, 2.76, 7 ... -
Charging a electrochemical double layer supercapacitor exhibiting a distribution of relaxation times
(Journal article; Peer reviewed, 2022)A charging electrochemical double layer supercapacitor can usually be described by a single capacitance and a single resistance in parallel, wherein the latter represents the ohmic losses. Such an ideal behavior may occur ... -
Charmonium and \(e^+e^-\) pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at \(\sqrt{s_{NN}}\) = 2.76 TeV
(Peer reviewed; Journal article, 2013-11)The ALICE Collaboration at the LHC has measured the \(J/\psi\) and \(\psi\)' photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at \(\sqrt{s_{NN}}\) = 2.76 TeV. The charmonium is identified via its leptonic ... -
Charmonium production in Pb–Pb and p–Pb collisions at forward rapidity measured with ALICE
(Peer reviewed; Journal article, 2017-11)The ALICE collaboration has measured the inclusive charmonium production at forward rapidity in Pb–Pb and p–Pb collisions at sNN=5.02TeV and sNN=8.16TeV , respectively. In Pb–Pb collisions, the J/ ψ and ψ (2S) nuclear ... -
Chelating agents for diluted geothermal brine reinjection
(Journal article; Peer reviewed, 2022)“Blue energy” could be produced by exploiting the large salinity gradient between geothermal fluids and freshwater through a SaltPower system. This study is an attempt to select the most favorable chemicals to avoid ... -
Chemical inhibition of hydrogen explosions using dry water and propane
(Master thesis, 2024-06-03)This research project characterises an experimental investigation with the aim of finding the laminar burning velocity of hydrogen-air explosion, inhibit the reactive compound using dry water and hydrocarbon (propane) and, ... -
Chlorophyll a fluorescence lifetime reveals reversible UV-induced photosynthetic activity in the green algae Tetraselmis
(Peer reviewed; Journal article, 2015)The fluorescence lifetime is a very useful parameter for investigating biological materials on the molecular level as it is mostly independent of the fluorophore concentration. The green alga Tetraselmis blooms in summer, ... -
Classical and quantum-mechanical scaling of ionization from excited hydrogen atoms in single-cycle THz pulses
(Peer reviewed; Journal article, 2017-08-25)Excited atoms, or nanotip surfaces, exposed to strong single-cycle terahertz radiation emit electrons with energies strongly dependent on the characteristics of the initial state. Here we consider scaling properties of the ... -
Climatology of aerosol optical properties in Northern Norway and Svalbard
(Peer reviewed; Journal article, 2012-12-07)We present comparisons between estimates of the aerosol optical thickness and the °Angstr¨om exponent in Northern Norway and Svalbard based on data from AERONET stations at Andenes (69 ◦N, 16 ◦E, 379 m altitude) and Hornsund ... -
Cluster and MMS simultaneous observations of magnetosheath high speed jets and their impact on the magnetopause
(Journal article; Peer reviewed, 2020-01-31)When the supersonic solar wind encounters the Earth's magnetosphere a shock, called bow shock, is formed and the plasma is decelerated and thermalized in the magnetosheath downstream from the shock. Sometimes, however, due ... -
Cluster observations of a field aligned current at the dawn flank of a bursty bulk flow
(Peer reviewed; Journal article, 2007-06-29)This article describes observations of a bursty bulk flow (BBF) in the outer central plasma sheet. The observations are made with the Cluster satellites, located approximately 19RE downtail, close to the midnight sector ... -
CO2 Foam Dynamics During CO2 Enhanced Oil Recovery and CO2 Storage
(Doctoral thesis, 2023-10-09)Den stadig voksende befolkningen, økende velstand og økonomisk vekst fører til økende etterspørsel etter energi. Forbrenning av fossile brensler står for 80% av den globale energi produksjonen, noe som gjør det til en ... -
CO2 Foam Monitoring using Pressure and Resistivity Measurements : A Scientific Approach to Validating CO2 Foam Pilots
(Doctoral thesis, 2023-11-15)Denne doktorgradsstudien fokuserer på bruk av trykk- og resistivitetsmålinger for å overvåke effektiviteten av skum som et CO2-mobilitetskontrollmiddel i oljeproduserende reservoarer. Ideen om å bruke resistivitetsmåling ... -
CO2 Foam Stabilization with Nanoparticles and EOR in Fractured Carbonate Systems
(Master thesis, 2015-06-18)This thesis is a part of an ongoing study of CO2 foam mobility control in the Reservoir Physics group at the Department of Physics and Technology (IFT) at the University of Bergen. The goal of this thesis was to evaluate ...