pySecDec¶
pySecDec [PSD17], [PSD18], [PSD21] is a toolbox for the calculation of dimensionally regulated parameter integrals using the sector decomposition approach [BH00]; see also [Hei08], [BHJ+15].
- Please cite the following references if you use pySecDec for a scientific publication:
- 1. Installation
- 2. Getting Started
- 3. Overview
- 4. SecDecUtil
- 5. Reference Guide
- 6. Frequently Asked Questions
- 6.1. How can I adjust the integrator parameters?
- 6.2. How can I request a higher numerical accuracy?
- 6.3. What can I do if the integration takes very long?
- 6.4. How can I tune the contour deformation parameters?
- 6.5. What can I do if the program stops with an error message containing sign_check_error?
- 6.6. What does additional_prefactor mean exactly?
- 6.7. What can I do if I get nan?
- 6.8. What can I use as numerator of a loop integral?
- 6.9. How can I integrate just one coefficient of a particular order in the regulator?
- 6.10. How can I use complex masses?
- 6.11. When should I use the “split” option?
- 6.12. How can I obtain results from pySecDec in a format convenient for GiNaC/ Sympy/ Mathematica/ Maple?
- 6.13. Expansion by regions: what does the parameter
z
mean? - 6.14. Expansion by regions: why does the t-method not converge?
- 7. References