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When stars explode, the supernovas send off shock waves like the one shown in this artist's rendition, which accelerate protons to cosmic-ray energies through a process known as Fermi acceleration. (Credit: Greg Stewart / SLAC National Accelerator Laboratory) |
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XENON100 (Courtesy: XENON Collaboration) |
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Different views of AEGIS / AD-6 Experiment (AD facility) in July of 2012. The visible parts are the positron accumulator (blue structures on top of of the antiproton extraction line) and the 5T magnet which traps the antiprotons. (Courtesy: Maximilien Brice) |
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Different views of AEGIS / AD-6 Experiment (AD facility) in July of 2012. The visible parts are the positron accumulator (blue structures on top of of the antiproton extraction line) and the 5T magnet which traps the antiprotons. (Courtesy: Maximilien Brice) |
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Rolf Heuer at CERN Higgs Boson search update (Courtesy: Maximilien Brice, Laurent Egli) |
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Higgs Boson search update - 4 July 2012 (Courtesy: Maximilien Brice, Laurent Egli) |
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Joe Incandela, CERN spokesperson for Higgs Boson search update (Courtesy: Maximilien Brice, Laurent Egli) |
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John Ellis, Higgs Boson search update at CERN (Courtesy: Maximilien Brice, Laurent Egli) |
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Fabiola Gianotti, ATLAS experiment spokesperson, at Higgs Boson search update at CERN (Courtesy: Maximilien Brice, Laurent Egli) |
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Peter Higgs, Higgs Boson search update at CERN (Courtesy: Maximilien Brice, Laurent Egli) |
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A proton-proton collision event in the CMS experiment producing two high-energy photons (red towers). This is what we would expect to see from the decay of a Higgs boson but it is also consistent with background Standard Model physics processes. (Courtesy: CERN) |
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Francois Englert, Higgs Boson search update at CERN (Courtesy: Maximilien Brice, Laurent Egli) |
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Francois Englert and Peter Higgs, Higgs Boson search update at CERN, 4 July 2012 (Courtesy: Maximilien Brice, Laurent Egli) |
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Event recorded with the CMS detector in 2012 at a proton-proton centre of mass energy of 8 TeV. The event shows characteristics expected from the decay of the SM Higgs boson to a pair of photons (dashed yellow lines and green towers). The event could also be due to known standard model background processes. (Courtesy: Taylor, L.) |
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On 4 July, 2012, the ATLAS experiment presented a preview of its updated results on the search for the Higgs Boson. The results were shown at a seminar held jointly at CERN and via video link at ICHEP, the International Conference for High Energy Physics in Melbourne, Australia, where detailed analyses will be presented later this week. More information at www.atlas.ch (Courtesy: ATLAS, collaboration ) |
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On 4 July, 2012, the ATLAS experiment presented a preview of its updated results on the search for the Higgs Boson. The results were shown at a seminar held jointly at CERN and via video link at ICHEP, the International Conference for High Energy Physics in Melbourne, Australia, where detailed analyses will be presented later this week. More information at www.atlas.ch (Courtesy: ATLAS, collaboration ) |
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Event display of a H -> 2e2mu candidate event with m(4l) = 122.6 (123.9) GeV without (with) Z mass constraint. The masses of the lepton pairs are 87.9 GeV and 19.6 GeV. The event was recorded by ATLAS on 18-Jun-2012, 11:07:47 CEST in run number 205113 as event number 12611816. Muon tracks are colored red, electron tracks and clusters in the LAr calorimeter are colored green. The larger inset shows a zoom into the tracking detector. The smaller inset shows a zoom into the vertex region, indicating that the 4 leptons originate from the same primary vertex. (Courtesy: ATLAS, Collaboration) |
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Event display of a H -> 2e2mu candidate event with m(4l) = 122.6 (123.9) GeV without (with) Z mass constraint. The masses of the lepton pairs are 87.9 GeV and 19.6 GeV. The event was recorded by ATLAS on 18-Jun-2012, 11:07:47 CEST in run number 205113 as event number 12611816. Zoom into the tracking detector. Muon tracks are colored red, electron tracks and clusters in the LAr calorimeter are colored green. (Courtesy: ATLAS, Collaboration) |
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Event display of a H -> 4mu candidate event with m(4l) = 124.1 (125.1) GeV without (with) Z mass constraint. The masses of the lepton pairs are 86.3 GeV and 31.6 GeV. The event was recorded by ATLAS on 10-Jun-2012, 13:24:31 CEST in run number 204769 as event number 71902630. Muon tracks are colored red. The inset on the right-hand side shows a zoom into the tracking detector. The inset on top shows a zoom into the vertex region, indicating that the 4 muons originate from the same primary vertex. (Courtesy: ATLAS, Collaboration) |
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Event display of a H -> 4mu candidate event with m(4l) = 124.1 (125.1) GeV without (with) Z mass constraint. The masses of the lepton pairs are 86.3 GeV and 31.6 GeV. The event was recorded by ATLAS on 10-Jun-2012, 13:24:31 CEST in run number 204769 as event number 71902630. Muon tracks are colored red. (Courtesy: ATLAS, Collaboration) |
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Event display of a H -> 4mu candidate event with m(4l) = 124.1 (125.1) GeV without (with) Z mass constraint. The masses of the lepton pairs are 86.3 GeV and 31.6 GeV. The event was recorded by ATLAS on 10-Jun-2012, 13:24:31 CEST in run number 204769 as event number 71902630. Zoom into the tracking detector. Muon tracks are colored red. (Courtesy: ATLAS, Collaboration) |
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Event display of a H -> 4e candidate event with m(4l) = 124.5 (124.6) GeV without (with) Z mass constraint. The masses of the lepton pairs are 70.6 GeV and 44.7 GeV. The event was recorded by ATLAS on 18-May-2012, 20:28:11 CEST in run number 203602 as event number 82614360. Zoom into the tracking detector. The tracks and clusters of the two electron pairs are colored red and blue, respectively. (Courtesy: ATLAS, Collaboration) |
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Event display of a H -> 4e candidate event with m(4l) = 124.5 (124.6) GeV without (with) Z mass constraint. The masses of the lepton pairs are 70.6 GeV and 44.7 GeV. The event was recorded by ATLAS on 18-May-2012, 20:28:11 CEST in run number 203602 as event number 82614360. The tracks and clusters of the two electron pairs are colored red and blue, respectively. (Courtesy: ATLAS, Collaboration) |
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Event display of a H -> 4e candidate event with m(4l) = 124.5 (124.6) GeV without (with) Z mass constraint. The masses of the lepton pairs are 70.6 GeV and 44.7 GeV. The event was recorded by ATLAS on 18-May-2012, 20:28:11 CEST in run number 203602 as event number 82614360. The tracks and clusters of the two electron pairs are colored red and blue, respectively. The three displays on the right-hand side show the r-phi view of the event (top), a zoom into the vertex region, indicating that the 4 electrons originate from the same primary vertex (middle), and a Lego plot indicating the amount of transverse energy Et measured in the calorimeters (bottom). (Courtesy: ATLAS, Collaboration) |
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Event display of a H -> 4e candidate event with m(4l) = 124.5 (124.6) GeV without (with) Z mass constraint. The masses of the lepton pairs are 70.6 GeV and 44.7 GeV. The event was recorded by ATLAS on 18-May-2012, 20:28:11 CEST in run number 203602 as event number 82614360. Zoom into the tracking detector and the LAr calorimeter where its detailed structure is highlighted. The tracks and clusters of the two electron pairs are colored red and blue, respectively. (Courtesy: ATLAS, Collaboration) |
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