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Advanced Search Results For "Nielsen, Kelly"

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 "Nielsen, Kelly"
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Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with the ATLAS detector at s $$ \sqrt{s} $$ = 13 TeV

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 6, Pp 1-73 (2022)

Abstract:Abstract Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than 355 GeV and the other top quark decays into ℓνb are presented using 139 fb −1 of data collected by the ATLAS...

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Measurement of Higgs boson decay into b-quarks in associated production with a top-quark pair in pp collisions at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 6, Pp 1-63 (2022)

Abstract:Abstract The associated production of a Higgs boson and a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. The Higgs boson decay into a b-quark pair is used. The analysed data, corresponding to an int...

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Search for neutral long-lived particles in pp collisions at s $$ \sqrt{s} $$ = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 6, Pp 1-49 (2022)

Abstract:Abstract A search for decays of pair-produced neutral long-lived particles (LLPs) is presented using 139 fb −1 of proton-proton collision data collected by the ATLAS detector at the LHC in 2015–2018 at a centre-of-mass energy of 13 TeV. Dedicated techn...

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Determination of the parton distribution functions of the proton using diverse ATLAS data from pp collisions at $$\sqrt{s} = 7$$ s = 7 , 8 and 13 TeV

Publication Type:Academic Journal

Source(s):European Physical Journal C: Particles and Fields, Vol 82, Iss 5, Pp 1-70 (2022)

Abstract:Abstract This paper presents an analysis at next-to-next-to-leading order in the theory of quantum chromodynamics for the determination of a new set of proton parton distribution functions using diverse measurements in pp collisions at $$\sqrt{s} = 7$$...

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Efficient and Scalable Process to Produce Novel and Highly Bioactive Purified Cytosolic Crystals from Bacillus thuringiensis

Publication Type:Academic Journal

Source(s):Microbiology Spectrum, Vol 10, Iss 4 (2022)

Abstract:ABSTRACT Bacillus thuringiensis (Bt) is a Gram-positive soil bacterium that is widely and safely applied in the environment as an insecticide for combatting insect pests that damage crops or are disease vectors. Dominant active ingredients made by Bt a...

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Measurement of the energy asymmetry in $$t{\bar{t}}j$$ t t ¯ j production at $$13\,$$ 13 TeV with the ATLAS experiment and interpretation in the SMEFT framework

Publication Type:Academic Journal

Source(s):European Physical Journal C: Particles and Fields, Vol 82, Iss 4, Pp 1-36 (2022)

Abstract:Abstract A measurement of the energy asymmetry in jet-associated top-quark pair production is presented using $$139\,{\mathrm {fb}}^{-1}$$ 139 fb - 1 of data collected by the ATLAS detector at the Large Hadron Collider during pp collisions at $$\sqrt{s...

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Genome-wide DNA methylation patterns reveal clinically relevant predictive and prognostic subtypes in human osteosarcoma

Publication Type:Academic Journal

Source(s):Communications Biology, Vol 5, Iss 1, Pp 1-20 (2022)

Abstract:Christopher Lietz et al. examined genome-wide methylation in patient cohorts of primary osteosarcoma. Their results suggest that genomic hypomethylation is predictive of response to standard chemotherapy, and provide further insight into clinical impli...

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A search for an unexpected asymmetry in the production of e+μ− and e−μ+ pairs in proton–proton collisions recorded by the ATLAS detector at s=13 TeV

Publication Type:Academic Journal

Source(s):Physics Letters B, Vol 830, Iss , Pp 137106- (2022)

Abstract:This search, a type not previously performed at ATLAS, uses a comparison of the production cross sections for e+μ− and e−μ+ pairs to constrain physics processes beyond the Standard Model. It uses 139fb−1 of proton–proton collision data recorded at s=13...

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Search for associated production of a Z boson with an invisibly decaying Higgs boson or dark matter candidates at s=13 TeV with the ATLAS detector

Publication Type:Academic Journal

Source(s):Physics Letters B, Vol 829, Iss , Pp 137066- (2022)

Abstract:A search for invisible decays of the Higgs boson as well as searches for dark matter candidates, produced together with a leptonically decaying Z boson, are presented. The analysis is performed using proton−proton collisions at a centre-of-mass energy ...

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Measurement of the c-jet mistagging efficiency in $$t\bar{t}$$ t t ¯ events using pp collision data at $$\sqrt{s}=13$$ s = 13 $$\text {TeV}$$ TeV collected with the ATLAS detector

Publication Type:Academic Journal

Source(s):European Physical Journal C: Particles and Fields, Vol 82, Iss 1, Pp 1-27 (2022)

Abstract:Abstract A technique is presented to measure the efficiency with which c-jets are mistagged as b-jets (mistagging efficiency) using $$t\bar{t}$$ t t ¯ events, where one of the W bosons decays into an electron or muon and a neutrino and the other decays...

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