r"""The unpolarized, time-like |OME|."""
import numba as nb
import numpy as np
from . import as1
[docs]
@nb.njit(cache=True)
def A_non_singlet(matching_order, _N, _L):
r"""Compute the non-singlet |OME|.
Parameters
----------
matching_order : tuple(int, int)
perturbative matching order
Returns
-------
numpy.ndarray
non-singlet |OME|
"""
A_ns = np.zeros((matching_order[0], 2, 2), np.complex_)
A_ns[0] = as1.A_ns()
return A_ns
[docs]
@nb.njit(cache=True)
def A_singlet(matching_order, N, L):
r"""Compute the singlet |OME|.
Parameters
----------
matching_order : tuple(int, int)
perturbative matching order
N : complex
Mellin moment
L : float
:math:`\ln(\mu_F^2 / m_h^2)`
Returns
-------
numpy.ndarray
singlet |OME|
"""
A_s = np.zeros((matching_order[0], 3, 3), np.complex_)
A_s[0] = as1.A_singlet(N, L)
return A_s