### Recent Submissions

• #### Near-surface petrochemical sensing using coplanar waveguides ﻿

(The University of Bergen, 2015-09-11)
The project studies the ability of coplanar waveguide sensor in sensing thin layers of petrochemical liquid. A coplanar waveguide is built on flexible printable circuit board partially based on an existing design. Two ...
Master thesis
• #### Charged-particle multiplicities in $pp$ interactions at $\sqrt{s}$ = 900 GeV measured with the ATLAS detector at the LHC ﻿

(Elsevier, 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 ...
Journal article
• #### Transverse momentum spectra of charged particles in proton-proton collisions at $\sqrt{s}$ = 900 GeV with ALICE at the LHC ﻿

(Elsevier, 2010-09)
The inclusive charged particle transverse momentum distribution is measured in proton-proton collisions at $\sqrt{s} = 900$~GeV at the LHC using the ALICE detector. The measurement is performed in the central pseudorapidity ...
Journal article
• #### Inclusive single-particle production in two-photon collisions at LEP II with the DELPHI detector ﻿

(Elsevier, 2009-08)
A study of the inclusive charged hadron production in two-photon collisions is described. The data were collected with the DELPHI detector at LEP II. Results on the inclusive single-particle p_T distribution and the ...
Journal article
• #### Neutral Pion Production in pp Collisions at √s = 2.76 TeV at the LHC with the ALICE Detector using the Electromagnetic Calorimeter ﻿

(The University of Bergen, 2015-07-13)
In this thesis the measurement of the neutral pion yield and its differential invariant cross section in pp collisions at √s = 2.76 TeV is presented. The π^0 s are measured in the two photon decay channel and photons are ...
Master thesis
• #### Neutral Pion Production in p-Pb Collisions at √s^NN = 5.02 TeV with ALICE PHOS at the LHC ﻿

(The University of Bergen, 2015-08-24)
In this thesis, the neutral mesons measurement with ALICE PHOS at the LHC is presented. Depending on the technical design of PHOS and its momentum reach, the strategies of the neutral mesons extraction by invariant mass ...
Master thesis
• #### The Physics of the B Factories ﻿

(Springer, 2014-11)
Journal article
• #### Study of leading hadrons in gluon and quark fragmentation ﻿

(Elsevier, 2006-12)
The study of quark jets in e+e− reactions at LEP has demonstrated that the hadronisation process is reproduced well by the Lund string model. However, our understanding of gluon fragmentation is less complete. In this study ...
Journal article
• #### Exploring virtualisation tools with a new virtualisation provisioning method to test dynamic grid environments for ALICE grid jobs over ARC grid middleware ﻿

(IOP Publishing, 2014)
The Nordic Tier-1 centre for LHC is distributed over several computing centres. It uses ARC as the internal computing grid middleware. ALICE uses its own grid middleware AliEn to distribute jobs and the necessary software ...
Journal article
• #### Flavour tagged time dependent angular analysis of the $B_s^{0} \rightarrow J/\psi \phi$ decay and extraction of $\Delta\Gamma_s$ and the weak phase $\phi_s$ in ATLAS ﻿

(American Physical Society, 2014-09)
A measurement of the $B_s ^{0}\rightarrow J/\psi \phi$ decay parameters, updated to include flavour tagging is reported using $4.9 fb^{-1}$ of integrated luminosity collected by the ATLAS detector from $\sqrt{s}= 7$TeV ...
Journal article
• #### Search for high-mass dilepton resonances in $pp$ collisions at $\sqrt {s}$ = 8 TeV with the ATLAS detector ﻿

(American Physical Society, 2014-09)
The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying to dielectron or dimuon final states. Results are presented from an analysis of proton--proton ($pp$) collisions at a ...
Journal article
• #### Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in $pp$ collisions at ${\sqrt{s}}$ = 7 TeV with the ATLAS detector ﻿

(IOP Publishing, 2014-11)
This paper presents a measurement of the cross-section for high transverse momentum $W$ and $Z$ bosons produced in $pp$ collisions and decaying to all-hadronic final states. The data used in the analysis were recorded by ...
Journal article
• #### Measurements of normalized differential cross-sections for $t\bar{t}$ production in $pp$ collisions at $\sqrt{s}$=7 TeV using the ATLAS detector ﻿

(American Physical Society, 2014-10)
Measurements of normalized differential cross-sections for top-quark pair production are presented as a~function of the top-quark transverse momentum, and of the mass, transverse momentum, and rapidity of the $t\bar{t}$ ...
Journal article
• #### Search for pair-produced third-generation squarks decaying via charm quarks or in compressed supersymmetric scenarios in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector ﻿

(American Physical Society, 2014-09)
Results of a search for supersymmetry via direct production of third-generation squarks are reported, using $20.3$ fb$^{-1}$ of proton-proton collision data at $\sqrt{s}$=8 TeV recorded by the ATLAS experiment at the LHC ...
Journal article
• #### Search for direct top-squark pair production in final states with two leptons in pp collisions at $\sqrt{s}$=8 TeV with the ATLAS detector ﻿

(Springer, 2014-06)
A search is presented for direct top-squark pair production in final states with two leptons (electrons or muons) of opposite charge using 20.3 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}$=8 TeV, collected by the ATLAS ...
Journal article
• #### Comprehensive measurements of $t$-channel single top-quark production cross sections at $\sqrt{s} = 7$ TeV with the ATLAS detector ﻿

(American Physical Society, 2014-12-11)
This article presents measurements of the $t$-channel single top-quark ($t$) and top-antiquark ($\bar{t}$) total production cross sections $\sigma(tq)$ and $\sigma(\bar{t}q)$, their ratio $R_{t}=\sigma(tq)/\sigma(\bar{t}q)$, ...
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
• #### Measurements of jet vetoes and azimuthal decorrelations in dijet events produced in $pp$ collisions at $\sqrt{s}$ = 7 TeV using the ATLAS detector ﻿

(Springer, 2014-11)
Additional jet activity in dijet events is measured using $pp$ collisions at ATLAS at a centre-of-mass energy of 7 TeV, for jets reconstructed using the anti-kt algorithm with radius parameter R=0.6. This is done using ...
Journal article
• #### Freeze-out radii extracted from three-pion cumulants in pp, p-Pb and Pb-Pb collisions at the LHC ﻿

(Elsevier, 2014-12-12)
In high-energy collisions, the spatio-temporal size of the particle production region can be measured using the Bose–Einstein correlations of identical bosons at low relative momentum. The source radii are typically extracted ...
Journal article
• #### Suppression of $\Upsilon$(1S) at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV ﻿

(Elsevier, 2014-11-10)
We report on the measurement of the inclusive $\Upsilon$(1S) production in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV carried out at forward rapidity ($2.5<y<4$) and down to zero transverse momentum using its ...
Journal article