Search for New Physics
Search for new physics beyond the Standard Model in final states with jets and leptons+jets at CMS
... of new resonances is observed in the dijet mass spectrum, and 95% confidence level (CL) upper limits are set on the resonance production cross section (σ) time branching ratio to dijet (BR) times acceptance (A) as ...
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Vacuum Geometry and the Search for New Physics
... Just as there is unexplained structure in the superpotential, there is also hidden structure in the vacuum space, or moduli space, of the MSSM. The supersymmetric vacuum space is locally described in the language of ...
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A search for new physics in the γγ channel with the ATLAS experiment at sqrt(s) = 7 TeV
... The ATLAS trigger is described in [ 40, 29 ] and outlined in figure 3.10. Due to the storage and data management logistics involved, ATLAS is currently limited to recording events at approximately 400 Hz. As mentioned ...
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Search for New Physics in Photon-Lepton Events in pp̅ Collisions at √s = 1.8TeV
... electrons undergoes hard photon bremsstrahlung or a track fails to be reconstructed. We assume that photon-electron events consistent with Z 0 production are not a significant source of new physics, and use ...
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Search for New Physics Using Quaero: A General Interface to D0 Event Data
... Once data are collected and the backgrounds have been understood, the testing of any specific model in principle follows a well-defined procedure. In practice, this process has been far from automatic. Even when the ...
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Recent results on search for new physics at BaBar
... boson Z coupling only to the second and third lepton families. Our results significantly improve current limits and further constrain the remaining region of the allowed parameter space. Finally, we present a ...
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A Search for New Physics in High-Mass Ditau Events in the Atlas Detector
... First, as the only fundamental scalar in the SM, the mass of the Higgs boson has exceptionally large quantum corrections from loop diagrams that tend to drive it much higher than the electroweak scale. For theoretical ...
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B meson decays in leptons: powerful probes of new physics
... huge sample allowed to perform stringent studies on B meson properties and successfully confirmed the Standard Model (SM) predictions in the flavour sector. Although no relevant deviations from the SM have yet been found ...
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A Quasi-Model-Independent Search for New High p_T Physics at DZero
... a search for new physics beyond the standard model, assuming nothing about the expected characteristics of the new processes other than that they will produce an excess of events at high ...
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An overview of neV probes of PeV scale physics – and of what's in between
... for new physics at the LHC has yielded the discovery of the Higgs boson [1, 2], but no unanticipated, new particles – as ...particle physics, successful though it is, is probably ...for ...
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New Physics search in the processes of the electroweak top quark production
... Single top processes are extremely interesting for di ff erent types of possible manifestations of “New Physics”. In general, two main situations are possible depending on relations between char- acteristic ...
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Search for tt resonances in the lepton plus jets final state with ATLAS using 4 7 fb−1 of pp collisions at √s=7 TeV
... to search for hints of phenomena associated with new physics using BUMPHUNTER ...to search for local excesses or deficits in the data compared to the Standard Model pre- diction in binned ...
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Hunting New Physics with ATLAS
... are used to improve significantly the sensitivity for short chargino lifetimes. By using pixel tracklets rather than standard tracks, the reconstruction e ffi ciency is improved significantly for charginos de- caying at ...
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Discovery of the Higgs Boson, Measurements of its Production, and a Search for Higgs Boson Pair Production
... The new particle interacts as the Higgs boson; beyond all reasonable doubt, it is a Higgs boson – and one remarkably similar to that predicted by the ...at new physics in the Higgs sector; failing ...
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Perspectives for Higgs and New Physics
... the search and the observation of a Higgs–like particle that will confirm the scenario of the SM and most of its extensions, that is, a spontaneous symmetry breaking by a scalar field that develops a non–zero ...
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Search for microscopic black holes in a like sign dimuon final state using large track multiplicity with the ATLAS detector
... A search for microscopic black holes has been carried out using 20:3 fb 1 of data collected by the ATLAS de- tector in 8 TeV proton–proton collisions at the ...any new physics in the signal region ...
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New Physics searches in heavy flavours in ATLAS
... Abstract. Precision determinations of the flavour sector allow the search for indirect new physics signatures. At the forefront of these studies are the determinations of interference of new ...
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New Physics Searches with ATLAS
... Existence of heavy neutral gauge bosons, commonly denoted as Z , are predicted by many extensions to the SM [2–4]. In general, these hypothetical particles are most easily searched for in the leptonic decay channels due ...
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The MoEDAL experiment - a new light on LHC physics
... extraordinary new light at the high-energy frontier allowing direct exploration of the fundamental physical laws governing the evolution of the Universe just a fraction of a second after the Big Bang when particle ...
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The MoEDAL experiment at the LHC. Searching beyond the standard model
... of physics beyond the Standard Model for further ...A new MoEDAL sub-detector to extend MoEDAL’s reach to millicharged, minimally ionizing, particles (MMIPs) is under study Finally we shall describe the ...
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