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The Nsubjettiness FastJet contrib was written, maintained, and developed by:

   Jesse Thaler <jthaler@mit.edu>
   Ken Van Tilburg <kenvt@stanford.edu>
   Christopher K. Vermilion <christopher.vermilion@gmail.com>
   TJ Wilkason <tjwilk@mit.edu>

Questions and comments should be directed to:  jthaler@mit.edu.

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For physics details on N-subjettiness, see:

   Identifying Boosted Objects with N-subjettiness.
   Jesse Thaler and Ken Van Tilburg.
   JHEP 1103:015 (2011), arXiv:1011.2268.

   Maximizing Boosted Top Identification by Minimizing N-subjettiness. 
   Jesse Thaler and Ken Van Tilburg.  
   JHEP 1202:093 (2012), arXiv:1108.2701.

New in v2.0 is the winner-take-all axis, described in:

   Jet Observables Without Jet Algorithms. 
   Daniele Bertolini, Tucker Chan, and Jesse Thaler. 
   JHEP 1404:013 (2014), arXiv:1310.7584.

   Jet Shapes with the Broadening Axis. 
   Andrew J. Larkoski, Duff Neill, and Jesse Thaler. 
   JHEP 1404:017 (2014), arXiv:1401.2158.

   Unpublished work by Gavin Salam.

New in v2.2 is the XCone jet algorithm, described in:

   XCone: N-jettiness as an Exclusive Cone Jet Algorithm.
   Iain W. Stewart, Frank J. Tackmann, Jesse Thaler,
   Christopher K. Vermilion, and Thomas F. Wilkason.
   JHEP 1511:072 (2015), arXiv:1508.01516.

   Resolving Boosted Jets with XCone.
   Jesse Thaler and Thomas F. Wilkason.
   JHEP 1512:051 (2015), arXiv:1508.01518.

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