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Identification of High-Momentum Top Quarks, Higgs Bosons, and W and Z Bosons Using Boosted Event Shapes

Authors
  • Conway, J. S.
  • Bhaskar, R.
  • Erbacher, R. D.
  • Pilot, J.
Type
Preprint
Publication Date
Jul 13, 2016
Submission Date
Jun 22, 2016
Identifiers
arXiv ID: 1606.06859
Source
arXiv
License
Yellow
External links

Abstract

At the Large Hadron Collider, numerous physics processes expected within the standard model and theories beyond it give rise to very high momentum particles decaying to multihadronic final states. Development of algorithms for efficient identification of such "boosted" particles while rejecting the background from multihadron jets from light quarks and gluons can greatly aid in the sensitivity of measurements and new particle searches. This paper presents a new method for identifying boosted high-mass particles using event shapes in Lorentz-boosted reference frames. Variables calculated in these frames for multihadronic jets can then be used as input to a large artificial neural network to discriminate their origin.

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