On the Topic of Jets

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• Jesse Thaler (MIT)
• Tuesday 01 May 2018, 16:30-17:30
• MR19 (Potter Room, Pavilion B), CMS.

If you have a question about this talk, please contact Benjamin Christopher Allanach.

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When quarks and gluons are produced in high-energy collisions, their fragmentation and hadronization via QCD results in collimated sprays of particles called jets. While quark and gluon partons carry color charge, jets are composed of color-singlet hadrons, so there is no unambiguous definition of “quark” and “gluon” at the hadron level. Remarkably, a similar kind of problem is faced when analyzing the distribution of words in a set of documents, and there is a framework called “topic modeling” to identify emergent themes in a corpus without having to specify those themes a priori. In this talk, I present preliminary studies applying topic modeling to jet physics, and I speculate on a possible application of jet topics to extract the strong coupling constant.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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