Heavy quark energy loss through soft QCD scattering in the QGP

Korinna Zapp, Gunnar Ingelman, Johan Rathsman, Johanna Stachel

Research output: Contribution to journalArticlepeer-review


A strong suppression of non-photonic electrons in Au+Au collisions is observed at Rhic. This is in disagreement with the expected dominance of the energy loss via gluon radiation, which predicts a much weaker suppression of heavy flavours due to the dead cone effect. However, collisional energy loss is also important, as demonstrated recently by the Soft Colour Interaction Jet Quenching model. Based on this model we show that collisional energy loss of charm quarks gives a suppression of electrons of the observed magnitude, but the contribution from beauty decays, which dominates at intermediate and large p⊥, results in a somewhat weaker overall suppression of electrons than observed.
Original languageEnglish
Pages (from-to)2072-2078
Number of pages7
JournalInternational Journal of Modern Physics E
Issue number7-8
Publication statusPublished - 2007
Externally publishedYes

Subject classification (UKÄ)

  • Subatomic Physics


Dive into the research topics of 'Heavy quark energy loss through soft QCD scattering in the QGP'. Together they form a unique fingerprint.

Cite this