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HEJ
2.3.0
High energy resummation for hadron colliders
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include
HEJ
Constants.hh
Go to the documentation of this file.
1
8
#pragma once
9
10
namespace
HEJ
{
13
constexpr
double
N_C
= 3.;
14
constexpr
double
C_A
=
N_C
;
15
constexpr
double
C_F
= (
N_C
*
N_C
- 1.)/(2.*
N_C
);
16
constexpr
double
T_F
= 0.5;
17
constexpr
double
N_F
= 5.;
18
constexpr
double
BETA0
= 11./3.*
C_A
- 4./3.*
T_F
*
N_F
;
24
constexpr
double
CLAMBDA
= 0.2;
25
constexpr
double
CMINPT
= 0.2;
29
constexpr
double
DEFAULT_SOFT_PT_REGULATOR
= 0.1;
35
constexpr
int
COLOUR_OFFSET
= 501;
37
}
// namespace HEJ
HEJ
Main HEJ 2 Namespace.
Definition:
mainpage.dox:1
HEJ::N_F
constexpr double N_F
number light flavours
Definition:
Constants.hh:17
HEJ::C_A
constexpr double C_A
Definition:
Constants.hh:14
HEJ::BETA0
constexpr double BETA0
Definition:
Constants.hh:18
HEJ::COLOUR_OFFSET
constexpr int COLOUR_OFFSET
Definition:
Constants.hh:35
HEJ::CLAMBDA
constexpr double CLAMBDA
Default scale for virtual correction cf. eq. (20) in .
Definition:
Constants.hh:24
HEJ::N_C
constexpr double N_C
number of Colours
Definition:
Constants.hh:13
HEJ::T_F
constexpr double T_F
Definition:
Constants.hh:16
HEJ::CMINPT
constexpr double CMINPT
Definition:
Constants.hh:25
HEJ::DEFAULT_SOFT_PT_REGULATOR
constexpr double DEFAULT_SOFT_PT_REGULATOR
default value for the maximal pt fraction of soft radiation in any tagging jets This cut is needed to...
Definition:
Constants.hh:29
HEJ::C_F
constexpr double C_F
Definition:
Constants.hh:15
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