Measurement of the Z → _t63_1hn+_t63_1hn- [Z → Tau + Tau -] Production Cross Section in Proton-proton Collisions at 7 TeV Center-of-mass Energy with the ATLAS Detector

Measurement of the Z → _t63_1hn+_t63_1hn- [Z → Tau + Tau -] Production Cross Section in Proton-proton Collisions at 7 TeV Center-of-mass Energy with the ATLAS Detector PDF Author: Daniele Capriotti
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ISBN:
Category :
Languages : en
Pages : 113

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Measurement of the Z → Τ+τ- Production Cross Section in Proton-proton Collisions at 7 TeV Center-of-mass Energy with the ATLAS Detector

Measurement of the Z → Τ+τ- Production Cross Section in Proton-proton Collisions at 7 TeV Center-of-mass Energy with the ATLAS Detector PDF Author: Daniele Capriotti
Publisher:
ISBN:
Category :
Languages : en
Pages : 113

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Measurement of the Z Tau + Tau - Production Cross Section in Proton-proton Collisions at 7 TeV Center-of-mass Energy with the ATLAS Detector

Measurement of the Z Tau + Tau - Production Cross Section in Proton-proton Collisions at 7 TeV Center-of-mass Energy with the ATLAS Detector PDF Author: Daniele Capriotti
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Measurement of the Z --] [tau] [tau] Production Cross-section in Proton-proton Collisions at [square Root Of] S

Measurement of the Z --] [tau] [tau] Production Cross-section in Proton-proton Collisions at [square Root Of] S PDF Author: Justin Griffiths
Publisher:
ISBN:
Category : Large Hadron Collider (France and Switzerland)
Languages : en
Pages : 137

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The first measurement of the inclusive cross-section of the Z boson decaying to two tau leptons was measured with the ATLAS detector at the LHC. The data sample in this analysis represents an integrated luminosity of 35 pb ̄1 of proton-proton collisions at a center of mass energy of sqrt(s)=7 TeV. Separate measurements were performed in four decay modes based on how the two tau leptons decay: to hadrons and an electron, to hadrons and a muon, to an electron and a muon, and to two muons. In all four final states, inclusive cross-section measurements were made both in the fiducial region of the ATLAS detector where acceptance is high and in the full phase space, restricted to the mass range of [66, 116] GeV. The measurements from the four individual channels were then combined to yield the combined Z --> [tau] [tau] cross-section of 970 ± 70 (stat.) ± 60 (sys.) ± 30 (lumi.) pb.

Measurement of the $ZZ$ Production Cross Section in $pp$ Collisions at $\sqrt{s}$

Measurement of the $ZZ$ Production Cross Section in $pp$ Collisions at $\sqrt{s}$ PDF Author:
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Category :
Languages : en
Pages :

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The ZZ production cross section in proton-proton collisions at 13 TeV center-of-mass energy is measured using 3.2 fb–1 of data recorded with the ATLAS detector at the Large Hadron Collider. The considered Z boson candidates decay to an electron or muon pair of mass 66–116 GeV. The cross section is measured in a fiducial phase space reflecting the detector acceptance. It is also extrapolated to a total phase space for Z bosons in the same mass range and of all decay modes, giving 16.7+2.2–2.0(stat)+0.9–0.7(syst)+1.0–0.7(lumi) pb. Lastly, the results agree with standard model predictions.

Measurement of the Υ (1S) Production Cross Section in Proton-Proton Collisions at Center of Mass Energy 7 TeV

Measurement of the Υ (1S) Production Cross Section in Proton-Proton Collisions at Center of Mass Energy 7 TeV PDF Author: Maxwell Ian Scherzer
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ISBN:
Category :
Languages : en
Pages : 0

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Measurement of Three-jet Production Cross-sections in Pp Collisions at 7 TeV Centre-of-mass Energy Using the ATLAS Detector

Measurement of Three-jet Production Cross-sections in Pp Collisions at 7 TeV Centre-of-mass Energy Using the ATLAS Detector PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Double-differential three-jet production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of [arrow]" = 7TeV using the ATLAS detector at the large hadron collider. The measurements are presented as a function of the three-jet mass (mjjj), in bins of the sum of the absolute rapidity separations between the three leading jets).

First Measurement of the Z/gamma*->tautau Cross Section in Proton-proton Collisions at Sqrt(s)

First Measurement of the Z/gamma*->tautau Cross Section in Proton-proton Collisions at Sqrt(s) PDF Author: Susanne Kühn
Publisher:
ISBN:
Category :
Languages : en
Pages : 209

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Measurement of the Proton-proton to ZZX Cross Section at a Center of Mass Energy of 8 TeV

Measurement of the Proton-proton to ZZX Cross Section at a Center of Mass Energy of 8 TeV PDF Author: Hayes Merritt
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ISBN:
Category :
Languages : en
Pages : 116

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Abstract: A measurement of ZZ production in the 4l channel with pp collisions at sqrt(s)=8 TeV using the full 2012 dataset amounting to an integrated luminosity of 20 fb-1 collected by the ATLAS experiment is presented in this paper. An event is selected when exactly four reconstructed, isolated leptons are found in the final state. Each pair of leptons reconstructed to form a Z boson must have opposite sign and same flavor and have an invariant mass between 66 and 116 GeV. The background contribution is determined using a data-driven technique due to limited Monte Carlo statistics. Limits on the f_4^gamma, f_4^Z,f_5^gamma, f_5^Z anomalous triple gauge couplings are also presented.

Measurement of the W±Z Boson Pair-production Cross Section in Pp Collisions at [mml

Measurement of the W±Z Boson Pair-production Cross Section in Pp Collisions at [mml PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 22

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Here, the production of W±Z events in proton-proton collisions at a centre-of-mass energy of 13 TeV13 TeV is measured with the ATLAS detector at the LHC. The collected data correspond to an integrated luminosity of 3.2 fb-1. The W±Z candidates are reconstructed using leptonic decays of the gauge bosons into electrons or muons.