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Title: Thinking outside the ROCs: Designing decorrelated taggers (DDT) for jet substructure

Here, we explore the scale-dependence and correlations of jet substructure observables to improve upon existing techniques in the identification of highly Lorentz-boosted objects. Modified observables are designed to remove correlations from existing theoretically well-understood observables, providing practical advantages for experimental measurements and searches for new phenomena. We study such observables in W jet tagging and provide recommendations for observables based on considerations beyond signal and background efficiencies.
Authors:
 [1] ;  [2] ;  [1] ;  [1] ;  [3]
  1. Univ. at Buffalo, The State Univ. of New York, Buffalo, NY (United States)
  2. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  3. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
OSTI Identifier:
1255108
Report Number(s):
FERMILAB-PUB--16-046-PPD; arXiv:1603.00027
Journal ID: ISSN 1029-8479; 1425540
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 5; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Research Org:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS jets; QCD phenomenology