All Images

Intro to CMS Physics Objects


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Electrons & Photons


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Muons & Tau leptons


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Jets and MET


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Jet flavor tagging


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Jet reconstruction and identification is an important part of the analyses at the LHC. Jets can originate from many different types of particles. The figure below gives an example of how different “parent particles” can influence the internal structure of a jet. Observables related to the mass and internal structure of a jet can help us design algorithms to distinguish between sources.


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Figure from the DeepJet paper
Figure from the DeepJet paper

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