Erratum: Nonperturbative finiteTbroadening of the ρ meson and dilepton emission in heavy-ion collisions [Phys. Rev. C71, 064903 (2005)]
نویسندگان
چکیده
منابع مشابه
ρ meson broadening and dilepton production in heavy ion collisions ∗
The measurement and calculation of dilepton and photon emission in heavy ion collisions represent great interest from a theoretical point of view. Once the radiation is formed, it can propagate virtually unscathed to the detectors, owing to the smallness of the fine structure constant α. This signal is also sensitive to the hot and dense phase of the nuclear reaction. This can only be probed in...
متن کامل0 Meson Mixing and Dilepton Production in Heavy Ion Collisions
We study the possibility of ρ − a0 mixing via N-N excitations in dense nuclear matter. This mixing is found to induce a peak in the dilepton spectra at an invariant mass equal to that of the a0. We calculate the cross section for dilepton production through mixing and we compare its size with that of π − π annihilation. In-medium masses and mixing angles are also calculated. Some preliminary re...
متن کاملThe Dilepton Probe in Heavy-Ion Collisions
Dileptons provide direct observables of the electromagnetic currentcurrent correlator in the hot and/or dense medium formed in heavy-ion collisions. In this article an overview is given about the status of the theoretical understanding of the dilepton phenomenology in heavy-ion collisions from studies of the in-medium properties of hadrons and partons within many-body theory and about connectio...
متن کاملComment on: Non-perturbative finite T broadening of the rho meson and dilepton emission in heavy ion-collisions
Our reanalysis leads us to the conclusion that the projection method introduced in [1] in order to restore the four transversality of the ρ-meson spectral function, A , suffers from serious problems with kinematical singularities. As shown below these singularities lead to a spurious and unphysical massless mode of the ρ-meson, in turn leading to a further broadening of the pion modes and throu...
متن کاملDilepton Production in Relativistic Heavy Ion Collisions
The present status of our understanding of low mass dilepton production in relativistic heavy ion collisions is discussed. The focus of the discussion will be the sensitivity of dilepton measurements to in medium changes of hadrons and the restoration of chiral symmetry. We will finally discuss how the presence of strong long wavelength pion modes, i.e. disoriented chiral condensates can be see...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 2007
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.75.059901