D. Schaefer

University of Pennsylvania

17 Papers

218 Citations

D. Schaefer is an academic researcher from University of Pennsylvania. The author has contributed to research in topics: Large Hadron Collider & Higgs boson. The author has an hindex of 15, co-authored 17 publications. Previous affiliations of D. Schaefer include CERN.

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Papers

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

Georges Aad, +2919 more

- 01 Dec 2014

TL;DR: In this paper, a measurement of the production processes of the recently discovered Higgs boson is performed in the two-photon final state using 4.5 fb(-1) of proton-proton collisions data at root s = 7 TeV and 20.4 GeV.

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302

•Journal Article•10.1007/JHEP01(2013)116

Search for resonances decaying into top-quark pairs using fully hadronic decays in pp collisions with ATLAS at √s=7 TeV

Georges Aad, +2945 more

- 12 Feb 2013

- Journal of High Energy Physics

TL;DR: In this paper, a search for resonances produced in 7 TeV proton-proton collisions and decaying into top-quark pairs is described, where two techniques that rely on jet substructure are used to separate top quark jets from those arising from light quarks and gluons.

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•Journal Article•10.1007/JHEP06(2013)084

Measurement of the cross-section for W boson production in association with b-jets in pp collisions at √s=7 TeV with the ATLAS detector

Georges Aad, +2942 more

- 20 Jun 2013

- Journal of High Energy Physics

TL;DR: In this article, a measurement of the W+b-jets' production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC is reported.

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•Journal Article•10.1103/PHYSREVD.90.112016

Measurements of spin correlation in top-antitop quark events from proton-proton collisions at √s =7 TeV using the ATLAS detector

Georges Aad, +2898 more

- 24 Dec 2014

- Physical Review D

TL;DR: In this paper, measurements of spin correlation in top quark pair production are presented using data collected with the ATLAS detector at the LHC with proton-proton collisions at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 4.6 fb(-1).

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Search for nonpointing and delayed photons in the diphoton and missing transverse momentum final state in 8 TeV pp collisions at the LHC using the ATLAS detector

Georges Aad, +2873 more

- 01 Dec 2014

TL;DR: In this paper, a search was performed using the full 20.3 fb(-1) data sample of 8 TeV proton-proton collisions collected in 2012 with the ATLAS detector at the LHC, for photons originating from a displaced vertex due to the decay of a neutral long-lived particle into a photon and an invisible particle.

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