1 / 13

Comparison of QGS with Different String Framentations

Comparison of QGS with Different String Framentations. J. Yarba Fermilab Geant4 Hadronic Meeting 3/20/2013. General Remarks. Done within test19 QGS is paired with G4QGSMStringFragmentation (older code) G4LundStringFragmentation (newer version) Compared vs FTF – always paired with

niran
Télécharger la présentation

Comparison of QGS with Different String Framentations

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Comparison of QGS with Different String Framentations J. Yarba Fermilab Geant4 Hadronic Meeting 3/20/2013

  2. General Remarks • Done within test19 • QGS is paired with • G4QGSMStringFragmentation (older code) • G4LundStringFragmentation (newer version) • Compared vs FTF – always paired with • G4LundStringFragmentation • Compared vs NA49, NA61 data Julia Yarba, FNAL – 3/20/2013

  3. Test19:158GeV p on C -> p, pbar, n, pi+, pi- dN/dxF QGS+G4LundStringFragm shows good results at high energy for secondary pbar, pions Julia Yarba, FNAL – 3/20/2013

  4. Test19:158GeV p on C -> p, pbar, pi+, pi-, d<pT>/dxF Julia Yarba, FNAL – 3/20/2013

  5. Test19:31GeV p on C -> pi- +X (different theta bins) Julia Yarba, FNAL – 3/20/2013

  6. Test19:31GeV p on C -> pi- +X (different theta bins) Julia Yarba, FNAL – 3/20/2013

  7. Test19:31GeV p on C -> pi+ +X (different theta bins) Julia Yarba, FNAL – 3/20/2013

  8. Test19:31GeV p on C -> pi+ +X (different theta bins) Julia Yarba, FNAL – 3/20/2013

  9. Test19:31GeV p on C -> p +X (different theta bins) Julia Yarba, FNAL – 3/20/2013

  10. Test19:31GeV p on C -> p +X (different theta bins) Julia Yarba, FNAL – 3/20/2013

  11. Test19:31GeV p on – K+/pi+ 20<theta<140mrad Julia Yarba, FNAL – 3/20/2013

  12. Test19:31GeV p on – K+/pi+ 140<theta<240mrad Julia Yarba, FNAL – 3/20/2013

  13. Summary • Is there a particular reason why not use G4LundStringFragmentation with QGS ??? • In my opinion, QGS+G4LundStringFragmentation gives good results at high energy (158GeV) • In the range of several tens GeV (e.g. 31GeV) the “old” approach seems better (FTF+G4Lund or QGS+G4QGSM) • I think potentials of QGS should be revisited Julia Yarba, FNAL – 3/20/2013

More Related