Project/scholarship details


  • Funder

    FCT - Fundação para a Ciência e a Tecnologia, I.P.

  • Funder's country

    Portugal

  • Funding program

    3599-PPCDT

  • Funding amount

    400,000.00 €

  • Start date

    2015-03-01

  • End date

    2017-02-28

Documents


Measurement of the inclusive jet cross-section in proton--proton collisions at ...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

The inclusive jet cross-section is measured in proton--proton collisions at a centre-of-mass energy of 7 TeV using a data set corresponding to an integrated luminosity of 4.5 fb−1 collected with the ATLAS detector at the Large Hadron Collider in 2011. Jets are identified using the anti-kt algorithm with radius parameter values of 0.4 and 0.6. The double-differential cross-sections are presented as a function of...


Search for lepton-flavour-violating H → μτ decays of the Higgs boson with the A...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

A direct search for lepton-flavour-violating H → μτ decays of the recently discovered Higgs boson with the ATLAS detector at the LHC is presented. The analysis is performed in the H → μτhad channel, where τhad is a hadronically decaying τ -lepton. The search is based on the data sample of proton-proton collisions collected by the ATLAS experiment corresponding to an integrated luminosity of 20.3 fb−1 at a centr...


Search for new phenomena in final states with an energetic jet and large missin...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses 20.3 fb−1 of s√=8 TeV data collected in 2012 with the ATLAS detector at the LHC. Events are required to have at least one jet with pT>120 GeV and no leptons. Nine signal regions are considered with increasing missing transverse momentum requirements between EmissT>150 G...


Search for heavy lepton resonances decaying to a Z boson and a lepton in pp col...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

A search for heavy leptons decaying to a Z boson and an electron or a muon is presented. The search is based on pp collision data taken at s√=8 TeV by the ATLAS experiment at the CERN Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb−1. Three high-transverse-momentum electrons or muons are selected, with two of them required to be consistent with originating from a Z boson decay. No si...


Search for new phenomena in events with three or more charged leptons in pp col...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

A generic search for anomalous production of events with at least three charged leptons is presented. The data sample consists of pp collisions at s√=8 TeV collected in 2012 by the ATLAS experiment at the CERN Large Hadron Collider, and corresponds to an integrated luminosity of 20.3 fb−1. Events are required to have at least three selected lepton candidates, at least two of which must be electrons or muons, wh...


Evidence for the Higgs-boson Yukawa coupling to tau leptons with the ATLAS dete...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

Results of a search for H→ττ decays are presented, based on the full set of proton--proton collision data recorded by the ATLAS experiment at the LHC during 2011 and 2012. The data correspond to integrated luminosities of 4.5 fb−1 and 20.3 fb−1 at centre-of-mass energies of s√ = 7 TeV and s√ = 8 TeV respectively. All combinations of leptonic (τ→ℓνν¯ with ℓ=e,μ) and hadronic (τ→hadrons ν) tau decays are consider...


Study of the spin and parity of the Higgs boson in diboson decays with the ATLA...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

Studies of the spin, parity and tensor couplings of the Higgs boson in the H→ZZ∗→4ℓ , H→WW∗→eνμν and H→γγ decay processes at the LHC are presented. The investigations are based on 25 fb−1 of pp collision data collected by the ATLAS experiment at s√=7 TeV and s√=8 TeV. The Standard Model (SM) Higgs boson hypothesis, corresponding to the quantum numbers JP=0+, is tested against several alternative spin scenarios,...


Measurement of charged-particle spectra in Pb+Pb collisions at √sNN = 2.76TeV w...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

Charged-particle spectra obtained in 0.15nb−1 of Pb+Pb interactions at sNN−−−√=2.76TeV and 4.2pb−1 of pp interactions at s√=2.76TeV with the ATLAS detector at the LHC are presented in a wide transverse momentum (0.5<pT<150GeV) and pseudorapidity (|η|<2) range. For Pb+Pb collisions, the spectra are presented as a function of collision centrality, which is determined by the response of the forward calorimeter loc...


A search for high-mass resonances decaying to τ+τ− in pp collisions at s√=8 TeV...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

A search for high-mass resonances decaying into τ+τ− final states using proton-proton collisions at s√=8 TeV produced by the Large Hadron Collider is presented. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 19.5-20.3 fb−1. No statistically significant excess above the Standard Model expectation is observed; 95% credibility upper limits are set on the cross section ...


Search for flavour-changing neutral current top quark decays t → Hq in pp colli...

Onofre, A.; Castro, Nuno Filipe Silva Fernandes; ATLAS Collaboration

A search for flavour-changing neutral current decays of a top quark to an uptype quark (q = u, c) and the Standard Model Higgs boson, where the Higgs boson decays to bb¯¯, is presented. The analysis searches for top quark pair events in which one top quark decays to Wb, with the W boson decaying leptonically, and the other top quark decays to Hq. The search is based on pp collisions at s√=8 TeV recorded in 2012...

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