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HEJ 2 2.0
High energy resummation for hadron colliders
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Constants.hh
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1
8#pragma once
9
10namespace HEJ{
12
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;
20
22 constexpr double vev = 246.2196508;
24
26 constexpr double CLAMBDA = 0.2;
27 constexpr double CMINPT = CLAMBDA;
29}
Main HEJ 2 Namespace.
Definition: mainpage.dox:1
constexpr double C_A
Definition: Constants.hh:14
constexpr double t_f
Definition: Constants.hh:16
constexpr double vev
Higgs vacuum expectation value in GeV.
Definition: Constants.hh:22
constexpr double CLAMBDA
Scale for virtual correction, cf. eq. (20) in .
Definition: Constants.hh:26
constexpr double N_C
number of Colours
Definition: Constants.hh:13
constexpr double beta0
Definition: Constants.hh:18
constexpr double n_f
number light flavours
Definition: Constants.hh:17
constexpr double CMINPT
minimal of all partons
Definition: Constants.hh:27
constexpr double C_F
Definition: Constants.hh:15