142 Result(s)
within
C. Zimmermann
Classical and Quantum Gravitation, Relativity Theory
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Article
Open AccessMeasurement of the Drell-Yan triple-differential cross section in pp collisions at \( \sqrt{s}=8 \) TeV
This paper presents a measurement of the triple-differential cross section for the Drell-Yan process Z/γ* → ℓ+ℓ− where ℓ is an electron or a muon. The measurement is performed for invariant masses of the lepton p...
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Open AccessEvidence for the \( H\to b\overline{b} \) decay with the ATLAS detector
A search for the decay of the Standard Model Higgs boson into a b ...
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Open AccessSearch for new phenomena with large jet multiplicities and missing transverse momentum using large-radius jets and flavour-tagging at ATLAS in 13 TeV pp collisions
A search is presented for particles that decay producing a large jet multiplicity and invisible particles. The event selection applies a veto on the presence of isolated electrons or muons and additional requi...
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Open AccessAnalysis of the Wtb vertex from the measurement of triple-differential angular decay rates of single top quarks produced in the t-channel at \( \sqrt{s}=8 \) TeV with the ATLAS detector
The electroweak production and subsequent decay of single top quarks in the t-channel is determined by the properties of the Wtb vertex, which can be described by the complex parameters of an effective Lagrangian...
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Open AccessSearch for supersymmetry in events with b-tagged jets and missing transverse momentum in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search for the supersymmetric partners of the Standard Model bottom and top quarks is presented. The search uses 36.1 fb−1 of pp collision data at ...
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Article
Open AccessMeasurements of top-quark pair differential cross-sections in the lepton+jets channel in pp collisions at \( \sqrt{s}=13 \) TeV using the ATLAS detector
Measurements of differential cross-sections of top-quark pair production in fiducial phase-spaces are presented as a function of top-quark and ...
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Open AccessMeasurement of the \( t\overline{t}\gamma \) production cross section in proton-proton collisions at \( \sqrt{s}=8 \) TeV with the ATLAS detector
The cross section of a top-quark pair produced in association with a photon is measured in proton-proton collisions at a centre-of-mass energy of ...
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Open AccessMeasurement of b-hadron pair production with the ATLAS detector in proton-proton collisions at \( \sqrt{s}=8 \) TeV
A measurement of b-hadron pair production is presented, based on a data set corresponding to an integrated luminosity of 11.4 fb−1 of proton-proton collisions recorded at
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Article
Open AccessSearch for new high-mass phenomena in the dilepton final state using 36 fb−1 of proton-proton collision data at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search is conducted for new resonant and non-resonant high-mass phenomena in dielectron and dimuon final states. The search uses 36.1 fb−1 of proton-proton collision data, collected at
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Open AccessSearch for pair production of heavy vector-like quarks decaying to high-p T W bosons and b quarks in the lepton-plus-jets final state in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search is presented for the pair production of heavy vector-like T quarks, primarily targeting the T quark decays to a W boson and a b-quark. The search is based on 36.1 fb−1 of pp collisions at ...
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Open AccessSearch for top quark decays t → qH, with H → γγ, in \( \sqrt{s}=13 \) TeV pp collisions using the ATLAS detector
This article presents a search for flavour-changing neutral currents in the decay of a top quark into an up-type (q = c, u) quark and a Higgs boson, where the Higgs boson decays into two photons. The proton-proto...
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Open AccessMeasurement of inclusive and differential cross sections in the H → ZZ * → 4ℓ decay channel in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
Inclusive and differential fiducial cross sections of Higgs boson production in proton-proton collisions are measured in the H → ZZ * → 4ℓ decay channel. The proton-proton collisio...
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Open AccessSearches for the Zγ decay mode of the Higgs boson and for new high-mass resonances in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
This article presents searches for the Zγ decay of the Higgs boson and for narrow high-mass resonances decaying to Zγ, exploiting Z boson decays to pairs of electrons or muons. The data analysis uses 36.1 fb−1 of...
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Open AccessTop-quark mass measurement in the all-hadronic \( t\overline{t} \) decay channel at \( \sqrt{s}=8 \) TeV with the ATLAS detector
The top-quark mass is measured in the all-hadronic top-antitop quark decay channel using proton-proton collisions at a centre-of-mass energy of ...
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Article
Open AccessSearch for supersymmetry in final states with two same-sign or three leptons and jets using 36 fb−1 of \( \sqrt{s}=13 \) TeV pp collision data with the ATLAS detector
A search for strongly produced supersymmetric particles using signatures involving multiple energetic jets and either two isolated same-sign leptons (e or μ), or at least three isolated leptons, is presented. The...
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Article
Open AccessSearch for new phenomena in a lepton plus high jet multiplicity final state with the ATLAS experiment using \( \sqrt{s}=13 \) TeV proton-proton collision data
A search for new phenomena in final states characterized by high jet multiplicity, an isolated lepton (electron or muon) and either zero or at least three b-tagged jets is presented. The search uses 36.1 fb−1 of
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Open AccessMeasurement of the inclusive jet cross-sections in proton-proton collisions at \( \sqrt{s}=8 \) TeV with the ATLAS detector
Inclusive jet production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of ...
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Article
Open AccessSearch for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in \( \sqrt{s}=13 \) TeV pp collisions with the ATLAS detector
The results of a search for vector-like top quarks using events with exactly one lepton, at least four jets, and large missing transverse momentum are reported. The search is optimised for pair production of v...
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Open AccessMeasurement of the k t splitting scales in Z → ℓℓ events in pp collisions at \( \sqrt{s}=8 \) TeV with the ATLAS detector
A measurement of the splitting scales occuring in the k t jet-clustering algorithm is presented for final states containing a Z boson. The measurement is done using 20.2 fb−1 of pr...
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Article
Open AccessSearch for direct top squark pair production in events with a Higgs or Z boson, and missing transverse momentum in \( \sqrt{s}=13 \) TeV pp collisions with the ATLAS detector
A search for direct top squark pair production resulting in events with either a same-flavour opposite-sign dilepton pair with invariant mass compatible with a Z boson or a pair of jets compatible with a Standard...
