Blar i Department of Physics and Technology på tittel
Viser treff 155-174 av 2161
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Charged-particle multiplicities in \(pp\) interactions at \(\sqrt{s}\) = 900 GeV measured with the ATLAS detector at the LHC
(Peer reviewed; Journal article, 2010-04)The first measurements from proton-proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy ... -
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 ...