# Search results for: P. A. Bruckman de Renstrom

The European Physical Journal C > 2017 > 77 > 4 > 1-38

*pp*collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS experiment at the Large Hadron Collider. Events are chosen by requiring an opposite-charge $$e\mu $$ e μ pair and two

*b*-tagged jets in the final state. The normalised...

Journal of High Energy Physics > 2017 > 2017 > 3 > 1-42

^{−1}. The distributions were constructed using charged particles with absolute pseudorapidity less than 2.5 and with transverse...

Journal of High Energy Physics > 2017 > 2017 > 3 > 1-50

^{−1}of s = 8 $$ \sqrt{s}=8 $$ TeV proton-proton collisions recorded with the ATLAS detector at the LHC. The analysis is performed in the dilepton final state, characterised by the presence of two isolated leptons (electrons or muons). There are 15 observables,...

The European Physical Journal C > 2017 > 77 > 3 > 1-28

Journal of High Energy Physics > 2017 > 2017 > 2 > 1-54

*Z*-boson cross sections measured from proton-proton collisions at the LHC centre-of-mass energies of s = 13 $$ \sqrt{s}=13 $$ TeV, 8 TeV, and 7 TeV are presented by the ATLAS Collaboration. Single ratios, at a given s $$ \sqrt{s} $$ for the two processes and at different s $$ \sqrt{s} $$ for each process, as well as double ratios...

Journal of High Energy Physics > 2017 > 2017 > 2 > 1-49

*b*-hadron decays semileptonically to a soft muon, using data corresponding to an integrated luminosity of 20.3 fb

^{−1}from proton-proton collisions at a centre-of-mass energy of s = 8 $$ \sqrt{s}=8 $$ TeV collected with the ATLAS detector at the Large Hadron...

Journal of High Energy Physics > 2017 > 2017 > 1 > 1-43

*X*(3872) and

*ψ*(2

*S*), in the decay mode

*J/ψπ*

^{+}

*π*

^{−}, measured using 11.4 fb

^{−1}of

*pp*collisions at s = 8 $$ \sqrt{s}=8 $$ TeV by the ATLAS detector at the LHC. The ratio of cross-sections

*X*(3872)

*/ψ*(2

*S*) is also given, separately for prompt and non-prompt components, as well as...

Journal of High Energy Physics > 2017 > 2017 > 1 > 1-53

*ZZ*production cross section in the ℓ

^{−}ℓ

^{+}ℓ

^{′ −}ℓ

^{′ +}and ℓ − ℓ + ν ν ¯ $$ {\ell}^{-}{\ell}^{+}\nu \overline{\nu} $$ channels (ℓ =

*e, μ*) in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV at the Large Hadron Collider at CERN, using data corresponding to an integrated luminosity of 20.3 fb

^{−1}collected by the ATLAS experiment in 2012 is presented...

Journal of High Energy Physics > 2016 > 2016 > 11 > 1-52

*.*3 pb

^{−1}, collected with the ATLAS detector at the LHC. The contribution of hard double-parton scattering to the production of four-jet events...

Journal of High Energy Physics > 2016 > 2016 > 11 > 1-37

^{−1}of LHC proton-proton collision data at s = 8 $$ \sqrt{s}=8 $$ TeV. The signal is searched for as a resonance in the invariant mass distribution of a pair of jets containing

*b*-hadrons in vector-boson-fusion candidate...

The European Physical Journal C > 2016 > 76 > 10 > 1-39

Journal of High Energy Physics > 2016 > 2016 > 9 > 1-44

^{−1}of proton-proton collision data at s = 8 $$ \sqrt{s}=8 $$ TeV. A likelihood-driven scan of a five-dimensional effective model focusing on the gaugino-higgsino and Higgs...

Journal of High Energy Physics > 2016 > 2016 > 9 > 1-46

*WW*,

*WZ*, and

*ZZ*bosons are presented, using a data sample corresponding to 3.2 fb

^{−1}of

*pp*collisions at s = 13 $$ \sqrt{s}=13 $$ TeV collected with the ATLAS detector at the CERN Large Hadron Collider. Analyses selecting

*ννqq*,

*ℓνqq*,

*ℓℓqq*and

*qqqq*final states are combined, searching for an arrow-width resonance with mass between 500...

Journal of High Energy Physics > 2016 > 2016 > 9 > 1-62

^{−1}of data collected by the ATLAS experiment at the Large Hadron Collider. The events were selected in the dilepton

*eμ*decay channel with two identified

*b*-jets. The numbers of additional jets for various...

Journal of High Energy Physics > 2016 > 2016 > 8 > 1-101

*Z*-boson mass peak probe the underlying QCD dynamics of

*Z*-boson production. This paper presents a measurement of the complete set of angular coefficients

*A*

_{0−7}describing these distributions in the

*Z*-boson Collins-Soper frame. The data analysed correspond to 20.3 fb

^{−1}of

*pp*collisions at s = 8 $$ \sqrt{s}=8...

Journal of High Energy Physics > 2016 > 2016 > 8 > 1-45

*B*

_{s}

^{0}decay parameters in the

*B*

_{s}

^{0}→

*J*/

*ψϕ*channel using an integrated luminosity of 14.3 fb

^{−1}collected by the ATLAS detector from 8 TeV

*pp*collisions at the LHC is presented. The measured parameters include the

*CP*-violating phase

*ϕ*

_{s}, the decay width Γ

_{s}and the width difference between the mass eigenstates ΔΓ

_{s}. The values measured for the physical parameters are statistically...

Journal of High Energy Physics > 2016 > 2016 > 8 > 1-63

*H*→

*W W*

^{∗}→

*eνμν*channel, using 20

*.*3 fb

^{−1}of proton-proton collision data. The data were produced at a centre-of-mass energy of s = 8 $$ \sqrt{s}=8 $$ TeV at the CERN Large Hadron Collider and recorded by the ATLAS detector in 2012. Cross sections are measured...

Journal of High Energy Physics > 2016 > 2016 > 8 > 1-113

*W*or a

*Z*boson or a pair of top quarks, and of the six decay modes

*H*→

*ZZ, W W*...

Journal of High Energy Physics > 2016 > 2016 > 8 > 1-42

*η*

^{γ}|

*<*1

*.*37 and 1

*.*56 ≤ |

*η*

^{γ}|

*<*2

*.*37 in the transverse energy range 25 <

*E*

_{T}

^{γ}< 1500 GeV. The results are based on an integrated...

Journal of High Energy Physics > 2016 > 2016 > 8 > 1-61

*Z/γ*

^{∗}→

*ℓ*

^{+}

*ℓ*

^{−}and photon-induced

*γγ*→

*ℓ*

^{+}

*ℓ*

^{−}processes where

*ℓ*is an electron or muon. The measurement is performed for invariant masses of the lepton pairs,

*m*

_{ℓℓ}, between 116 GeV and 1500 GeV using a sample of 20

*.*3 fb

^{−1}of

*pp*collisions data at centre-of-mass energy of s = 8 $$ \sqrt{s}=8 $$...