Now showing items 1101-1120 of 2159

• #### 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 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
• #### Measurement of prompt D-meson production in p-Pb collisions at $\sqrt{s_{NN}}$ =5.02TeV ﻿

(American Physical Society, 2014-12-05)
The pT-differential production cross sections of the prompt charmed mesons $D^0, D^+, D^{*+}$ and $D_s^+$ and their charge conjugate in the rapidity interval -0.96 < $y_{cms}$ < 0.04 were measured in p-Pb collisions at a ...
Journal article
• #### Measurement of quarkonium production at forward rapidity in pp collisions at √s=7 TeV ﻿

(Springer, 2014-08)
The inclusive production cross sections at forward rapidity of J/ψ , ψ(2S) , Υ (1S) and Υ (2S) are measured in pp collisions at s√=7 TeV with the ALICE detector at the LHC. The analysis is based on a data sample corresponding ...
Journal article
• #### Measurement of radon concentrations and temperature profiles in boreholes ﻿

(The University of Bergen, 2013-08-16)
This thesis is based on a research project aimed at measuring temperature gradients and radon concentrations in boreholes. This was done by observing radon activity and temperature profiles in twelve boreholes that were ...
Master thesis
• #### Measurement of seawater by refractometric methods ﻿

(The University of Bergen, 2013-08-23)
The aim of this work has been to design and test a refractometer for accurate measurement of seawater refractive index. The goal was to create a refractometer with a cylindrical embodiment and measure refractive ...
Master thesis
• #### Measurement of seawater refractive index and salinity by means of optical refraction ﻿

(The University of Bergen, 2012-05-22)
The aim of this work has been to construct and test a compact refractometer for accurate measurement of seawater refractive index and salinity. The specific goal was to measure the refractive index of the water sample with ...
Master thesis
• #### Measurement of the azimuthal anisotropy for charged particle production in $\sqrt{s_{NN}}$ = 2.76 TeV lead-lead collisions with the ATLAS detector ﻿

(American Physical Society, 2012-07-24)
Differential measurements of charged particle azimuthal anisotropy are presented for lead-lead collisions at $\sqrt{s_{NN}}$ = 2.76 TeV with the ATLAS detector at the LHC, based on an integrated luminosity of approximately ...
Journal article
• #### Measurement of the b-hadron production cross section using decays to D*+ μ − X final states in pp collisions at √s = 7 TeV with the ATLAS detector ﻿

(Elsevier, 2012-11-21)
The b-hadron production cross section is measured with the ATLAS detector in pp collisions at √s = 7 TeV, using 3.3 pb−1 of integrated luminosity, collected during the 2010 LHC run. The b-hadrons are selected by partially ...
Journal article
• #### Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead–lead collisions at √sNN=2.76TeV with the ATLAS detector ﻿

(Springer, 2014-08)
The integrated elliptic flow of charged particles produced in Pb+Pb collisions at √sNN=2.76 TeV has been measured with the ATLAS detector using data collected at the Large Hadron Collider. The anisotropy parameter, v₂ , ...
Journal article
• #### Measurement of the electroweak production of dijets in association with a Z-boson and distributions sensitive to vector boson fusion in proton-proton collisions at √s= 8 TeV using the ATLAS detector ﻿

(Springer, 2014-04-07)
Measurements of fiducial cross sections for the electroweak production of two jets in association with a Z-boson are presented. The measurements are performed using 20.3 fb−1 of proton-proton collision data collected at a ...
Journal article
• #### Measurement of the inclusive isolated prompt photons cross section in pp collisions at √s =7TeV with the ATLAS detector using 4.6fb-1 ﻿

(American Physical Society, 2014-03)
A measurement of the cross section for the production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7  TeV is presented. The results are based on an integrated luminosity of 4.6  fb−1 collected ...
Journal article
• #### Measurement of the low-mass Drell-Yan differential cross section at √s = 7 TeV using the ATLAS detector ﻿

(Springer, 2014-06)
The differential cross section for the process Z/γ ∗ → ℓℓ (ℓ = e, μ) as a function of dilepton invariant mass is measured in pp collisions at √s = 7 TeV at the LHC using the ATLAS detector. The measurement is performed in ...
Journal article
• #### Measurement of the muon reconstruction performance of the ATLAS detector using 2011 and 2012 LHC proton–proton collision data ﻿

(Springer, 2014-11-26)
This paper presents the performance of the ATLAS muon reconstruction during the LHC run with pp collisions at √s = 7–8 TeV in 2011–2012, focusing mainly on data collected in 2012. Measurements of the reconstruction efficiency ...
Journal article
• #### Measurement of the parity-violating asymmetry parameter αb and the helicity amplitudes for the decay Λb0 →J /ψ Λ0 with the ATLAS detector ﻿

(American Physical Society, 2014-05-27)
A measurement of the parity-violating decay asymmetry parameter, αb, and the helicity amplitudes for the decay Λ0b→J/ψ(μ+μ−)Λ0(pπ−) is reported. The analysis is based on 1400 Λ0b and Λ¯0b baryons selected in 4.6  fb−1 of ...
Journal article
• #### Measurement of the production cross section of prompt J/ψ mesons in association with a W± boson in pp collisions at √s = 7 TeV with the ATLAS detector ﻿

(Springer, 2014-04)
The process pp → W ± J/ψ provides a powerful probe of the production mechanism of charmonium in hadronic collisions, and is also sensitive to multiple parton interactions in the colliding protons. Using the 2011 ATLAS ...
Journal article
• #### Measurement of the production cross-section of ψ(2S) → J/ψ(→μ+μ−)π+π− in pp collisions at √s = 7 TeV at ATLAS ﻿

(Springer, 2014-09-12)
The prompt and non-prompt production cross-sections for ψ(2S) mesons are measured using 2.1 fb−1 of pp collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. The measurement exploits ...
Journal article