HEJ 2.1.4
High energy resummation for hadron colliders
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Header file defining all global constants used for HEJ. More...
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 |