pegasus:overview
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
pegasus:overview [15/04/2024 10:09] – lipatov | pegasus:overview [15/04/2024 10:14] (current) – lipatov | ||
---|---|---|---|
Line 50: | Line 50: | ||
The calculations using PEGASUS include a few general steps common for all of the processes. | The calculations using PEGASUS include a few general steps common for all of the processes. | ||
- | When PEGASUS is running, one can select the colliding particles, proton-proton, | + | When PEGASUS is running, one can select the colliding particles, proton-proton, |
- | and set their center-of-mass energy. The default setting corresponds to the LHC Run II setup. | + | and set beam energies. The default setting corresponds to the LHC Run II setup. |
Then one can select factorization scheme (TMD or collinear one) for each of the colliding particles, choose corresponding parton density function and set the parameters, important | Then one can select factorization scheme (TMD or collinear one) for each of the colliding particles, choose corresponding parton density function and set the parameters, important | ||
for further Monte-Carlo simulation, namely, number of iterations and number of simulated events per iteration. | for further Monte-Carlo simulation, namely, number of iterations and number of simulated events per iteration. | ||
Line 70: | Line 70: | ||
^ Set ^ Order of a< | ^ Set ^ Order of a< | ||
- | | LLM' | + | | LLM (CCFM) |
| A0 (CCFM) | | A0 (CCFM) | ||
| B0 (CCFM) | | B0 (CCFM) | ||
Line 89: | Line 89: | ||
with respect to the number of active flavors and QCD scale. | with respect to the number of active flavors and QCD scale. | ||
This choice is done automatically with the choice of the TMD and/or conventional | This choice is done automatically with the choice of the TMD and/or conventional | ||
- | parton densities | + | parton densities. There is no possibility to change it manually since this setup is essential for determination of corresponding parton distributions. |
The masses of all particles (quarks, gauge bosons, heavy quarkonia etc), | The masses of all particles (quarks, gauge bosons, heavy quarkonia etc), | ||
Line 108: | Line 108: | ||
* Polarization information is not preserved. | * Polarization information is not preserved. | ||
* A parton carries a tag according to the standard [[http:// | * A parton carries a tag according to the standard [[http:// | ||
- | * Conventional (collinear) parton densities in a proton are numbered according to the [[https:// | + | * Conventional (collinear) parton densities in a proton |
The produced '' | The produced '' |
pegasus/overview.1713164978.txt.gz · Last modified: 15/04/2024 10:09 by lipatov