• Aucun résultat trouvé

transverse momentum: missing-energy

Search for supersymmetry in final states with missing transverse momentum and multiple $b$-jets in proton-proton collisions at $ \sqrt{s}=13 $ TeV with the ATLAS detector

Search for supersymmetry in final states with missing transverse momentum and multiple $b$-jets in proton-proton collisions at $ \sqrt{s}=13 $ TeV with the ATLAS detector

... 4 Data and simulated event samples The data used in this analysis were collected by the ATLAS detector from pp collisions produced by the LHC at a centre-of-mass-energy of 13 TeV and 25 ns proton bunch spacing ...

55

Search for squarks and gluinos in events with isolated leptons, jets and missing transverse momentum at $\sqrt{s}=8$ TeV with the ATLAS detector

Search for squarks and gluinos in events with isolated leptons, jets and missing transverse momentum at $\sqrt{s}=8$ TeV with the ATLAS detector

... large missing transverse momentum with the ATLAS detector at the Large Hadron Collider are ...centre-of-mass energy √ s = 8 TeV collected in 2012, corresponding to an integrated luminosity of ...

83

Search for new physics produced via Vector Boson Fusion in final states with large missing transverse momentum with the ATLAS detector

Search for new physics produced via Vector Boson Fusion in final states with large missing transverse momentum with the ATLAS detector

... Figure 6.2: Some representative diagrams for the MDM triplet produced via VBF. The χ ± particles decay into the stable χ 0 DM candidate and soft pions which are not reconstructed [ 146 ]. 6.1.2 . Some modifications are ...

244

Search for squarks and gluinos in events with an isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$ TeV with the ATLAS detector

Search for squarks and gluinos in events with an isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$ TeV with the ATLAS detector

... the missing lepton case, the p T of one of the two leptons is added vectorially to the calculation of E T miss ...appropriate energy scale and resolution ...

57

Search for supersymmetry in events with three leptons and missing transverse momentum in sqrt(s) = 7 TeV pp collisions with the ATLAS detector

Search for supersymmetry in events with three leptons and missing transverse momentum in sqrt(s) = 7 TeV pp collisions with the ATLAS detector

... jet energy scale, jet energy resolution, lepton en- ergy scale, lepton energy resolution, lepton efficiency, b- tagging efficiency, event quality selection, and the uncer- tainty on the ...

18

Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions

Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions

... 3. Object Reconstruction Jet candidates are reconstructed by using the anti-k t jet clus- tering algorithm [6] with a distance parameter of 0.4. The in- puts to this algorithm are clusters of calorimeter cells seeded by ...

17

Search for dark matter candidates and large extra dimensions in events with a jet and missing transverse momentum with the ATLAS detector

Search for dark matter candidates and large extra dimensions in events with a jet and missing transverse momentum with the ATLAS detector

... and missing transverse momentum of at least 120, 220, 350 and 500 GeV, with at most one additional jet not aligned with the direction of E T miss (to suppress multijet ...

59

Search for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, $b$-jets and missing transverse momentum

Search for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, $b$-jets and missing transverse momentum

... large missing transverse momentum and no charged leptons (electrons and muons) in the final ...of transverse momenta of associated tracks [ 73 ] is ...of energy in the calorimeter [ 74 ...

48

Search for supersymmetry in final states with charm jets and missing transverse momentum in 13 TeV $pp$ collisions with the ATLAS detector

Search for supersymmetry in final states with charm jets and missing transverse momentum in 13 TeV $pp$ collisions with the ATLAS detector

... The newly installed innermost layer of pixel sensors [ 24 ] was operational for the first time during the 2015 data-taking, leading to an improvement of the flavour-tagging performance [ 25 ]. Lead/liquid-argon (LAr) ...

43

Search for gluinos in events with an isolated lepton, jets and missing transverse momentum at $\sqrt{s}$ = 13 TeV with the ATLAS detector

Search for gluinos in events with an isolated lepton, jets and missing transverse momentum at $\sqrt{s}$ = 13 TeV with the ATLAS detector

... detector The ATLAS Collaboration Abstract The results of a search for gluinos in final states with an isolated electron or muon, multiple jets and large missing transverse momentum using ...

42

Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector

Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector

... the insertable B-Layer [ 37 ], was added just outside a narrower beam pipe at a radius of 33 mm. High-granularity lead /liquid-argon (LAr) electromagnetic sampling calorimeters cover the pseudorapid- ity range |η| < ...

51

Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at s√=13 TeV with the ATLAS detector

Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at s√=13 TeV with the ATLAS detector

... of energy deposits in the electromagnetic calorimeter measured in projective ...photon energy is corrected by applying the energy scales measured with Z → e + e − decays [ 47 ...the energy ...

40

Search for high-mass states with one lepton plus missing transverse momentum in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

Search for high-mass states with one lepton plus missing transverse momentum in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

... expectations is observed. A W ′ with sequential standard model couplings is excluded at 95% confidence level for masses below 1.49 TeV, and a W ∗ (charged chiral boson) for masses below 1.35 TeV. Although the standard ...

22

Search for supersymmetry in pp collisions at sqrt(s) = 7 TeV in final states with missing transverse momentum and b-jets with the ATLAS detector

Search for supersymmetry in pp collisions at sqrt(s) = 7 TeV in final states with missing transverse momentum and b-jets with the ATLAS detector

... (LAr) as the active material and covers the pseudora- pidity range |η| < 3.2. In the region |η| < 1.8, a pre-sampler detector using a thin layer of liquid argon is used to correct for the energy lost by ...

29

Search for new particles in events with one lepton and missing transverse momentum in $pp$ collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector

Search for new particles in events with one lepton and missing transverse momentum in $pp$ collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector

... degraded energy resolution due to the transition from the central region to the forward regions of the calorimeters and is therefore ...electron’s energy is obtained from the calorimeter measurements ...

50

Search for supersymmetry in events with $b$-tagged jets and missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

Search for supersymmetry in events with $b$-tagged jets and missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

... 3 Data and simulated event samples The data used in this analysis were collected by the ATLAS detector in pp collisions at the LHC with a centre-of-mass energy of 13 TeV and a 25 ns proton bunch crossing interval ...

50

Search for Physics Beyond the Standard Model in Events with High-Momentum Higgs Bosons and Missing Transverse Momentum in Proton-Proton Collisions at 13 TeV

Search for Physics Beyond the Standard Model in Events with High-Momentum Higgs Bosons and Missing Transverse Momentum in Proton-Proton Collisions at 13 TeV

... (Received 22 December 2017; published 11 June 2018) A search for physics beyond the standard model in events with one or more high-momentum Higgs bosons, H, decaying to pairs of b quarks in association with ...

17

Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at $\sqrt{s}$=13 TeV with the ATLAS detector

Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at $\sqrt{s}$=13 TeV with the ATLAS detector

... efficiencies, momentum scale, energy resolution, isolation, and for the efficiency of identifying jets containing b-hadrons, together with the probability for mis-tagging jets containing only light-flavour ...

57

Search for supersymmetry in events with at least one photon, missing transverse momentum, and large transverse event activity in proton-proton collisions at $ \sqrt{s}=13 $ TeV

Search for supersymmetry in events with at least one photon, missing transverse momentum, and large transverse event activity in proton-proton collisions at $ \sqrt{s}=13 $ TeV

... T > 600 GeV. Z → ee and Z → µµγ data and simulation. The ratio of these efficiencies is consistent with unity and has an uncertainty of about 3%. Simulated events are weighted by the ratio of the efficiencies, and the ...

36

Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using $\sqrt{s}=8$ TeV proton--proton collision data

Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using $\sqrt{s}=8$ TeV proton--proton collision data

... Background estimation requires determination of the central expected values of the TFs for each SM process, together with their associated correlated and uncorrelated uncertainties. Some systematic uncertainties, for ...

55

Show all 3793 documents...

Sujets connexes