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HEJ 2.1.4
High energy resummation for hadron colliders
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Constants.hh File Reference

Header file defining all global constants used for HEJ. More...

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Go to the source code of this file.

Namespaces

namespace  HEJ
 Main HEJ 2 Namespace.
 

Variables

QCD parameters
constexpr double HEJ::N_C = 3.
 number of Colours More...
 
constexpr double HEJ::C_A = N_C
 \(C_A\) More...
 
constexpr double HEJ::C_F = (N_C*N_C - 1.)/(2.*N_C)
 \(C_F\) More...
 
constexpr double HEJ::T_F = 0.5
 \(t_f\) More...
 
constexpr double HEJ::N_F = 5.
 number light flavours More...
 
constexpr double HEJ::BETA0 = 11./3.*C_A - 4./3.*T_F*N_F
 
Generation Parameters
constexpr double HEJ::CLAMBDA = 0.2
 Default scale for virtual correction \(\lambda\) cf. eq. (20) in [1]. More...
 
constexpr double HEJ::CMINPT = 0.2
 
constexpr double HEJ::DEFAULT_SOFT_PT_REGULATOR = 0.1
 default value for the maximal pt fraction of soft radiation in any tagging jets This cut is needed to regulate an otherwise uncancelled divergence. More...
 
Conventional Parameters
constexpr int HEJ::COLOUR_OFFSET = 501
 

Detailed Description

Header file defining all global constants used for HEJ.

Authors
The HEJ collaboration (see AUTHORS for details)
Date
2019-2020