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  By means of this table you can apply the phase space cuts. A phase 
space function is described in the first column. Its limits are defined 
by the second and the third columns. If one of these fields is empty, 
the variation limit is defined by the physical region of the phase space.
  The phase space function is defined by a key character and a particle
set following this character without any separators. For example, "C13" 
means the cosine of the angle between the first and third particles.
  The following key characters are available:
  A  - Angle in degrees;
  C  - Cosine of angle;
  J  - Jet cone angle;
  E  - Energy of a particle set;
  M  - Mass of a particle set;
  P  - Cosine in the rest frame of a pair;
  T  - Transverse momentum P_t  of a particle set;
  S  - Squared 4-momentum of a particle set;
  Y  - Rapidity of a particle.
  U  - user implemented function.
See the Manual for details.

The parameter limits can be defined by an algebraic formula, which 
contains numbers and identifiers enumerated in the "Model parameters" 
menu. Parentheses "()" and algebraic operations "+,-,/,*,**,sqrt()" 
are also permitted.
  To define the range of an 'S'-type variable the user must input
a value V in GeV which will be transformed to an 'S'-type variable
following the prescription V*abs(V). For example, to set the s13 cut
s13=(p1-p3)^2= -100 GeV^2, type -100 in the column "Max bound".

