Collisional dissociation of heavy mesons in dense QCD matter
By A. Adil, I. Vitev. 2006
133 citations recorded by the source corpus.
Abstract In the framework of the reaction operator approach we calculate and resum the multiple elastic scattering of a fast q q ¯ system traversing dense nuclear matter. We derive the collisional broadening of the meson's transverse momentum and the distortion of its intrinsic light cone wave function. The medium-induced dissociation probability of heavy mesons is shown to be sensitive to the opacity of the quark–gluon plasma and the time dependence of its formation and evolution. We solve the system of coupled rate equations that describe the competition between the fragmentation of c- and b-quarks and the QGP-induced dissociation of the D- and B-mesons to evaluate the quenching of heavy hadrons in nucleus–nucleus collisions. In contrast to previous results on heavy quark modification, this approach predicts suppression of B-mesons comparable to that of D-mesons at transverse momenta as low as p T ∼ 10 GeV . It allows for an improved description of the large attenuation of non-photonic electrons in central Au + Au reactions at RHIC.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/28e3c6ce541b1b3dbec23997c561dccf6b7bf224
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In Nuclear and High Energy Physics
- J. Stachel
- Alice Collaboration
- R. Rapp
- A. Andronic
- J. Lansberg
- Alexander Rothkopf
- H. Hees
- P. Braun-Munzinger
Citations in the corpus
- Heavy-flavour and quarkonium production in the LHC era: from proton–proton to heavy-ion collisions (2015, background): “Other mechanisms such as in-medium hadron formation and dissociation [422, 460], would determine a stronger suppression effect on heavy-flavour hadrons than light-flavour hadrons, because of their smaller formation times.”
- Suppression of high transverse momentum D mesons in central Pb-Pb collisions at root s(NN)=2.76 TeV (2012, background): “J H E P 0 9 ( 2 0 1 2 ) 1 1 2 formation and dissociation [15, 16], would determine a stronger effect on heavy-flavour hadrons, characterized by smaller formation times than light-flavour hadrons.”